Comparison

321FIT vs CassFit

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

321FIT

Manage your fitness plan with a customizable workout log and timer. Create or select workouts, and let the app guide you with audio cues and an estimated completion time. Track your progress to improve future sessions.

Highlights
  • Customizable workout creation
  • Pre-loaded workout selection
  • Exercise set, rep, and weight management
  • Audio cues for set transitions
  • Estimated workout completion time (ETA)
  • Workout progress logging
Read full description

The easiest and most fun way to manage your fitness plan. Choose or create a workout, press play, and let the app train you in this customizable workout log and timer. PLAN: Create your own or choose from pre-loaded workouts. Add Exercises to your workouts. Establish the amount of TIME to complete a set along with the amount of SETS, REPS, and WEIGHT per exercise. PLAY: Press PLAY to let the app tell you what to do so you can think less and do more. The app shows you the TIME, SETS, REPS, and WEIGHT for each exercise. Audio cues will play to notify to let the user know when a set is about to end, and when a new set or exercise begins. EVERYTHING is timed. This allows you to maximize your time in the gym while knowing exactly what time you’ll be finished with your workout with 321FIT's one of a kind ETA display. LOG: Log your progress before, during, or after a workout, so you can strive for more next workout! ----- FAQs Can I listen to other music apps while using 321FIT? You bet ya Is there a rest timer? The SEC/SET value represents both the time you will take to complete a set AND the time you allocate to rest. That way there is only one place you need to enter time. Have ideas and feedback??? Email me :) M@ttBurton.com

About

CassFit

This app offers personalized workout and meal plans to help you achieve your fitness goals. Track your progress, log meals, and connect with your coach for real-time support and video sessions. It integrates with fitness bands and health kits for comprehensive data analysis.

Highlights
  • Personalized workout plans
  • Customized meal plans
  • Nutrition and hydration tracking
  • Progress tracking and analytics
  • 1-on-1 chat and video calls with coach
  • Wearable device integration
Features
Read full description

Kick start your fitness journey with CassFit. Together with Cassie Garcia, you'll have the best combination of nutrition & exercises available on a single app. With CassFit, you can begin your fitness journey in no time. Get a fully personalized workout and meal plan tailored to your fitness goals. Progress tracking gets easier when you log your daily workout, record meals, update your check-ins and connect your fitness band & health kit, and get real-time updates via advanced analytical tools. Everything that contributes to your fitness goals gets captured in one place. To top it all, use the inbuilt 1-1 chat feature to have all your queries addressed on the go. You deserve to be the best. That’s why CassFit has packed so many features in a single app to help you achieve your fitness goals. Start your journey today! Features that will help you achieve your fitness goals include: * Personalized Workout Plan: Get a fully personalized fitness plan tailored to your goals, whether it is to gain weight, lose weight, gain muscles, or simply wish to work on your general fitness. * Nutrition, Hydration & Habits: Access meal plans assigned by your coach and log your food intake to keep a close track of your calorie intake and macros. You can also track your hydration, steps and calories burnt on the app. * Instant messaging & video calls - Message your coach in real-time and schedule video sessions directly from the app. Stay connected with your coach to improve compliance and get better results. * Check-ins: Gain complete insight into your overall performance with easy check-ins and real-time updates. * Progress: Stay on top of your progress with powerful analytics. * Wearable integration: Get the bigger picture of your progress by connecting your fitness band & health kit thereby enabling real-time updates. Note regarding Apple Health: The app integrates with Apple Health to show your daily activity - distance, steps, active energy, and flights to help you better achieve your goals. App also uses Apple Health to track energy burned and heart rate during a workout session, if an Apple Watch is used. Workout metrics are shared with the coach to better design your workout schedule. DISCLAIMER: Users should seek a doctor’s advice before using this app and making any medical decisions.

Screenshots

321FIT4 screens
CassFit4 screens

Verdict

The call

The clearest difference is ratings volume: 321FIT at 31 against CassFit's 5. 321FIT also leads on iOS requirement (12.0 vs 15.0). On price, rating, review sentiment and update cadence there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for 321FIT against 5.0 for CassFit. That said, the two scores are not equally well evidenced: 321FIT has 31 ratings behind it against 5, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 24, 2026 and October 2, 2026 respectively.

Scorecard2 real differences · 8 level
321FIT versus CassFit: the parameters behind the verdict, then further details
Parameter321FITCassFit
PriceFreeFree
Rating5.0 (31 ratings)5.0 (5 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings31 — better5
Update frequencyEvery 3 monthsEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size54 MB133 MB
Age rating4+17+
DeveloperMatthew BurtonCassandra Garcia

Customer experience

321FIT

All ratings30 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews15 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

CassFit

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

321FIT

No in-app purchases

None

CassFit

No in-app purchases

Questions

Is 321FIT free?
321FIT is free to download, with no in-app purchases.
Is CassFit free?
CassFit is free to download, with no in-app purchases.
Which has better reviews, 321FIT or CassFit?
CassFit is rated higher. 321FIT averages 5.0 out of 5 from 31 ratings, while CassFit averages 5.0 from 5 ratings.
Do 321FIT or CassFit have ads?
Neither 321FIT nor CassFit shows ads.
Which is updated more often, 321FIT or CassFit?
321FIT ships an update every 3 months, and CassFit every 3 months. Most recently, 321FIT was updated on October 24, 2026 and CassFit on October 2, 2026.

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