If your cat needs smaller meals, stricter portions, or a more consistent schedule, an automatic feeder can make daily feeding much easier to manage.
Below, we’ve rounded up the best options for accuracy, freshness, and multi-pet control so you can choose a feeder that fits your cat’s diet goals.
Best 10 Automatic Cat Feeders for Cats on Diets Picks for 2026
Best for Multi-Cat Diet Control
- RFID collar tag keeps meals limited to the right cat
- App tracks eating habits, portions, and timing
- Battery backup and dual-band Wi-Fi improve reliability
Best For: Multi-cat homes managing different diets, weight plans, or medication schedules.
Best for Monitoring
PETLIBRO Camera Feeder for Two Cats
- 1080P camera with night vision for live meal checks
- Custom portions and schedules for up to 2 pets
- Alerts for low food, clogs, motion, and Wi-Fi issues
Best For: Multi-cat homes that need scheduled feeding plus remote visual monitoring.
Best for Multi-Pet Diet Control
HEAPETS RFID Automatic Cat Feeder
- RFID collar access for the paired pet only
- Helps protect prescription and separate diet food
- Sealed lid works with dry food and short wet-food use
Best For: Multi-pet homes where one cat needs controlled access to special or prescription meals.
Best for Dual-Cat Portion Control
- 5G/2.4G Wi-Fi for stable app control
- Scheduled feeding with logs and manual feeds
- Equal portions for two bowls support diet tracking
Best For: Two-cat homes that need reliable scheduling and controlled dry-food portions.
Best for Two-Cat Diet Control
PETLIBRO 5L WiFi Feeder for 2 Cats
- App-controlled portioning and feeding logs
- Dual bowls help serve two cats evenly
- Freshness features and backup power add reliability
Best For: Two-cat homes managing measured meals and consistent feeding schedules.
Best for Portion Control
Faroro 4L Automatic Cat Feeder
- Up to 6 meals per day with 10g portions
- Slow-feed mode helps cats eat more calmly
- 4L capacity reduces how often you need to refill
Best For: Cats on diets that need smaller, scheduled dry-food meals.
Best for Comfort
- 4 daily meals with 0-40 portion settings
- 4L dry-food tank for multi-day use
- USB or battery power for backup feeding
Best For: Cat owners managing meal timing and portions for weight control or diet routines.
Best with Extra Features
- Up to 9 scheduled meals per day
- 7L hopper supports multi-day feeding
- Dual power backup for peace of mind
Best For: Cat owners managing weight, routines, or travel schedules.
Best Heavy-Duty Pick
- Programmable portions for diet-friendly feeding
- Up to 6 meals and 20 portions per day
- Dual power supply with food freshness support
Best For: Cats that need smaller, scheduled meals and owners who want simple routine feeding.
Best Simple Pick
PETLIBRO 3L Programmable Cat Feeder
- 6 daily meals with adjustable portions
- Airtight design helps keep kibble fresh
- USB-C power plus battery backup
Best For: Cat owners managing weight or portion sizes who want scheduled, consistent feeding.
Best for Multi-Cat Diet Control – PETLIBRO RFID Cat Feeder
For households that need tighter portion control, this PETLIBRO feeder is a strong fit among automatic cat feeders for cats on diets. The RFID collar tag system helps make sure only the right cat gets access, which reduces food stealing and keeps different meal plans separated.
Best For: Multi-cat homes that need personalized meals, diet tracking, and reliable separation for weight management or special feeding routines.
Pros:
- RFID collar tag access helps limit each meal to the designated cat.
- App-based tracking shows who ate, when, and how much.
- Dual-band Wi-Fi, alerts, and battery backup add convenience and reliability.
- 3L capacity is practical for daily feeding in small to medium multi-cat homes.
Cons:
- Only works with the included collar tag, so it’s less flexible than universal systems.
- Not ideal if you want a feeder that works for any pet without tagging.
Overall, this is a smart pick for automatic cat feeders for cats on diets when you need more than simple scheduling. The RFID access control and feeding logs make it easier to manage multiple cats with different nutrition needs.
Best for Monitoring – PETLIBRO Camera Feeder for Two Cats
If you want more control over portioning and meal timing, this PETLIBRO model is a strong pick among automatic cat feeders for cats on diets. The app lets you set flexible schedules and portion sizes, while the built-in camera helps you verify that each cat actually gets fed.
Best For: Multi-cat households that need scheduled feeding, remote checks, and diet control in one feeder.
Pros:
- 1080P camera with night vision makes it easy to monitor meals remotely.
- Custom schedules support up to 6 meals per day and 1–50 portions per meal.
- Two-way audio and a recorded meal call add a helpful training cue.
- Alerts for low food, blockages, motion, and Wi-Fi issues improve reliability.
Cons:
- Cloud storage and some smart features may require extra setup or fees.
- More advanced than a basic feeder, so it may be more than some users need.
For households trying to manage weight or separate feeding routines, this is one of the more useful automatic cat feeders for cats on diets because it combines portion control with visual confirmation. It is especially appealing if you want to keep tabs on two pets without standing over the bowl.
Best for Multi-Pet Diet Control – HEAPETS RFID Automatic Cat Feeder
If you need one of the more targeted automatic cat feeders for cats on diets, the HEAPETS RFID feeder is built to keep the right pet on the right meal. The collar sensor opens only for the paired cat or small dog, which helps stop food stealing, protect prescription food, and make portion control easier in multi-pet homes.
Best For: Homes with multiple pets where one cat needs strict diet control, prescription food, or protected access to meals.
Pros:
- RFID collar sensor limits access to the paired pet only
- Helps prevent stealing between cats on different diets
- Sealed lid supports both dry kibble and short-term wet food use
- Quiet, pinch-free design is friendlier for nervous cats
Cons:
- Wet food should not be left inside for extended periods
- Requires the pet to wear the RFID collar tag
- More specialized than a basic timed feeder
This is a smart pick if diet separation matters more than basic scheduling. For households shopping for automatic cat feeders for cats on diets, the RFID access control is the standout feature, especially when you need to keep one pet out of another pet’s food.
Best for Dual-Cat Portion Control – oneisall 5G WiFi Cat Feeder
If you need one of the more practical automatic cat feeders for cats on diets, this oneisall model focuses on scheduled feeding, remote app control, and even portions for two bowls. The 5G/2.4G Wi-Fi support should make it easier to manage meals when you’re away, while the portion settings help keep servings consistent day to day.
Best For: Cat owners feeding two pets who want app-based scheduling and consistent, measured dry-food portions.
Pros:
- 5G/2.4G Wi-Fi support for more reliable remote control
- App scheduling, manual feeding, and feeding log access
- Equal portion delivery to both bowls, which helps with portion control
- 10-second voice recording can call pets to mealtime
Cons:
- Works only with dry food and kibble under 0.5 inch
- Split-bowl design is less ideal for single-cat households
- Not a great fit if you want very large portions or wet food
For automatic cat feeders for cats on diets, this is a solid choice if your main goal is steady portioning and predictable meal timing rather than extra feeding bells and whistles. The app control and dual-bowl setup make it especially useful in multi-cat homes where consistency matters.
Best for Two-Cat Diet Control – PETLIBRO 5L WiFi Feeder for 2 Cats
If you need automatic cat feeders for cats on diets, this PETLIBRO model is a strong fit because it lets you portion meals precisely, schedule up to 10 feedings a day, and track activity through the app. Its dual-bowl design helps keep two cats on the same feeding plan without one pet crowding out the other.
Best For: Two-cat households that want app-based portion control, meal tracking, and a feeder that keeps food fresher between servings.
Pros:
- Supports 5GHz and 2.4GHz WiFi with app control and feeding logs.
- Evenly dispenses meals into two stainless steel bowls for multi-cat feeding.
- Adjustable portions and up to 10 meals per day make diet control easier.
- Low-food, clog, and battery alerts add useful day-to-day monitoring.
Cons:
- Best suited to dry kibble in the recommended size range.
- More advanced than a basic feeder if you only need simple timed meals.
Overall, this is a practical choice for automatic cat feeders for cats on diets when you need reliable scheduling, portion control, and a setup that works well for two cats. The freshness features and backup power also make it easier to stay consistent if you’re managing weight or strict meal timing.
Best for Portion Control – Faroro 4L Automatic Cat Feeder
If you’re comparing automatic cat feeders for cats on diets, this Faroro model is a practical pick thanks to its 4L capacity, 1–6 meals per day scheduling, and 10g portion control. The slow-feed setting is especially useful for cats that eat too fast, while the dual power design adds extra reliability for daily use.
Best For: Cats that need smaller, scheduled meals and owners who want an easy way to manage portions without constant refilling.
Pros:
- Portion control with up to 6 meals per day helps support weight management
- Slow-feed mode can help reduce gulping and digestive upset
- 4L tank provides enough food for several days between refills
- Voice recording feature can help call pets to mealtime
Cons:
- Uses D-cell batteries as backup, which are not included
- Works with dry food only, so it’s not for wet diets
Overall, this is a solid fit for automatic cat feeders for cats on diets when you want portion control, scheduled feeding, and a slow-feed option in one affordable dispenser.
Best for Comfort – VOLUAS Automatic Cat Feeder
If you’re comparing automatic cat feeders for cats on diets, the VOLUAS is a practical pick because it lets you schedule up to 4 meals a day and fine-tune portions from 0 to 40. That makes it easier to keep servings consistent, reduce overfeeding, and stick to a calorie plan without constant supervision.
Best For: Pet owners who want a simple programmable feeder for measured meals, routine feeding, and short trips away from home.
Pros:
- Programmable for 1-4 meals per day with adjustable portion control
- 4L capacity is enough for several days of feeding
- Works with either USB power or 3 D-cell batteries for backup
- 10-second voice recording can help pets adjust to mealtime
Cons:
- Dry food only, so it won’t suit wet-food diets
- Portions are less precise than a true scale-based feeder
- Battery setup adds extra cost if you want backup power
Overall, this feeder is a solid fit for automatic cat feeders for cats on diets when you want dependable scheduling and straightforward portion control without a complicated setup. It’s especially useful for owners who need consistency more than advanced app features.
Best with Extra Features – TYM 7L Automatic Cat Feeder
If you need one of the more practical automatic cat feeders for cats on diets, this TYM model focuses on scheduled portions instead of smart extras. It can dispense up to 9 meals a day with adjustable servings, making it easier to keep mealtimes consistent and avoid overfeeding.
Best For: Cat owners who want simple, reliable portion control for weight management, travel, or long workdays.
Pros:
- Programmable for up to 9 meals per day with adjustable portions.
- 7L capacity is ideal for multi-day feeding without constant refills.
- Dual power supply adds backup protection during outages.
- Easy button controls and no app required.
Cons:
- Uses C-size batteries, which are not included.
- Clock needs to be reset after a power outage.
For pet parents focused on steady feeding and weight control, this feeder covers the essentials well. It’s a solid pick among automatic cat feeders for cats on diets because it prioritizes portion scheduling, food freshness, and straightforward setup over app-based features.
Best Heavy-Duty Pick – IMIPAW Timed Cat Feeder
If you’re comparing automatic cat feeders for cats on diets, this IMIPAW model is built around simple portion control and a consistent schedule. It lets you program up to 6 meals per day with small servings, making it easier to manage calorie intake without having to manually measure every feeding.
Best For: Cat owners who want a straightforward feeder for weight management, scheduled meals, and short trips away from home.
Pros:
- Programmable portions help you fine-tune meal sizes for diet plans
- Supports up to 6 meals and 20 portions per day for flexible scheduling
- Dual power supply adds backup protection during power outages
- Desiccant bag and closed storage help keep dry food fresher
Cons:
- Batteries are not included, so backup power requires an extra purchase
- Works only with dry food, not wet food or large kibble shapes
- Setup is simple, but you’ll still need to dial in portions carefully
For households focused on routine and smaller meals, this is a practical pick among automatic cat feeders for cats on diets. It doesn’t try to be fancy, but the portioning, schedule control, and backup power make it a solid everyday feeding solution.
Best Simple Pick – PETLIBRO 3L Programmable Cat Feeder
For shoppers comparing automatic cat feeders for cats on diets, this PETLIBRO model stands out for its scheduled meals, adjustable portions, and freshness-focused storage. It makes it easier to keep feeding consistent when you need tighter control over kibble intake without constantly measuring by hand.
Best For: Cat owners who want a dependable feeder for weight management, regular meal timing, and backup power during outages.
Pros:
- Up to 6 meals per day with portion settings from 1 to 50 portions
- Airtight storage system helps keep kibble dry and fresh longer
- Dual power setup with USB-C and battery backup adds peace of mind
- Voice meal call can help keep picky cats on schedule
Cons:
- 3L capacity may be small for multi-pet households
- Portion settings require a little setup and testing to dial in
Overall, this is a practical pick if you need one of the more reliable automatic cat feeders for cats on diets and want better day-to-day portion control than a basic gravity feeder can offer. It balances convenience, freshness, and schedule consistency without adding much complexity.
How We Picked the Best Automatic Cat Feeders for Cats on Diets
For Automatic Cat Feeders for Cats on Diets, the most important factors are portion accuracy, schedule flexibility, food freshness, and resistance to food theft in multi-cat homes. We also favored feeders with backup power, easy-to-clean food paths, and settings that make daily routines simpler rather than more complicated.
When available, app control, camera monitoring, RFID recognition, and slow-feed features were considered useful bonuses, especially for homes managing weight loss plans or prescription feeding routines.
Quick Comparison
If you want the simplest solution, look for a basic programmable feeder with consistent portion control. If you need better oversight, app-connected models add remote scheduling and alerts. For multi-cat homes, RFID-enabled feeders can help keep one cat from eating another cat’s diet food.
Larger-capacity feeders work best when you travel often or prefer fewer refills, while smaller models can be a smarter match for cats that need tighter portion control and fresher food rotation.
Key Buying Factors for Automatic Cat Feeders for Cats on Diets
Portion Control and Meal Frequency
Diet feeding works best when you can divide daily calories into multiple small meals. Look for feeders that offer precise portion settings and enough meal slots to match your vet’s feeding plan.
Freshness and Food Type
Airtight lids, desiccant packs, and sealed storage help keep kibble crisp and more appealing. If your cat is picky, freshness matters almost as much as portion size because stale food can lead to skipped meals.
Multi-Cat Protection
If more than one cat lives in the home, anti-steal designs and RFID access can prevent a healthier cat from finishing a diet cat’s food. That makes these features especially helpful for weight management and prescription feeding.
Power Backup and Reliability
Dual power support is worth having so a missed meal does not derail the routine during an outage. A reliable feeder should keep its schedule without frequent resets or app issues.
Ease of Cleaning
Choose a feeder with removable, washable parts and a design that does not trap crumbs or grease. Clean feeding equipment helps preserve food quality and supports better long-term use.
Who Should Buy Which Automatic Cat Feeders for Cats on Diets?
If you need strict portion control for one cat, a straightforward programmable feeder is usually enough. If your cat shares space with others, RFID or anti-stealing models are the better choice. If you want more oversight and scheduling convenience, app-controlled feeders or camera-equipped models are ideal.
For households focused on weight loss, the best Automatic Cat Feeders for Cats on Diets are the ones that make the feeding plan easy to follow every day. Pick the model that matches your routine, your cat’s behavior, and how much control you want over each meal.









