Comparison

Activity Tracker by RedZonkey vs MainGain

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

Head to head
About

Activity Tracker by RedZonkey

This app transforms daily activities into fun, competitive challenges, motivating users to stay active. Earn tokens and rewards by climbing leaderboards and achieving milestones, with personalized AI coaching to guide your fitness journey.

Highlights
  • Gamified fitness challenges
  • Leaderboard competition
  • Token and reward system
  • AI personalized coaching
  • Global fitness community
  • Apple Watch integration
Read full description

REDZONKEY: MAKE EVERY MOVE COUNT Transform fitness into fun, friendly competition. Join RedZonkey, the app that turns daily activities into exciting challenges, keeping you motivated and connected to a global fitness community. Whether you're a seasoned athlete or just starting out, RedZonkey makes staying active easy and rewarding. CHALLENGE YOURSELF – AND YOUR FRIENDS * Compete anytime, anywhere. Climb the leaderboard with every step, jump, or sprint—using your Apple Watch or just your iPhone! No extra gear needed to join the competition. * Stay motivated daily. From "Hero of the Day" shoutouts to seasonal leagues, RedZonkey's rewards and recognitions make every day an opportunity to shine. * Personalized coaching. Unlock tailored workouts and progress insights with our AI Coach, designed to adapt to your unique fitness journey. WIN TOKENS & UNLOCK EXCLUSIVE REWARDS * Level up with tokens. Earn special tokens for hitting personal milestones, giving you extra motivation and a competitive edge. * Reap the rewards. Collect Zonkey coins and elite badges as you reach new heights, unlocking access to exclusive events and perks. FEEL THE COMMUNITY SPIRIT Push your limits alongside a global community. Celebrate victories, share achievements, and find the inspiration to make fitness a lasting habit.

About

MainGain

This app helps you accurately determine your daily calorie needs for weight maintenance using a 14-day tracking method. It removes guesswork by analyzing your actual food intake and weight changes, providing personalized results for fitness goals like bulking or cutting.

Highlights
  • 14-day tracking for accurate maintenance calories
  • Meal and weight tracking
  • Barcode scanning for food entry
  • Product search for food items
  • Data export (CSV/JSON)
  • Privacy-first, data stays on device
Features
Read full description

MainGain - Your Maintenance Calculator Finding your maintenance calories shouldn't be complicated. MainGain removes the guesswork with a scientifically-proven 14-day tracking approach. WHAT IS MAINTENANCE? Your maintenance calories are the exact amount you need to eat to maintain your current weight. It's the foundation for any fitness goal - whether you want to bulk, cut, or recomp. WHY 14 DAYS? Your daily weight fluctuates 2-4 lbs from water, sodium, and meal timing. Traditional calculators guess based on averages. MainGain uses your actual data to find YOUR unique maintenance calories. THE SIMPLE PROCESS • Track your meals (calories & protein minimum) • Weigh yourself each morning • Let the science work for 14 days • Get your personalized maintenance calories FEATURES • Clean, distraction-free tracking • Barcode scanning for quick entry • Product search for items without barcodes • Export your data anytime (CSV/JSON) • No ads, no social features, no BS • Privacy-first: all data stays on your device PERFECT FOR • Finding your true maintenance calories • Planning bulks and cuts with precision • Anyone tired of generic TDEE calculators • People who want accurate, personalized results HOW IT WORKS MainGain uses the relationship between your calorie intake and weight changes to calculate your exact maintenance. If you ate 2,400 calories daily and lost 1 lb over 14 days, your maintenance is actually 2,650. No more guessing. PREMIUM FEATURES Try all features free for 7 days, then unlock forever for $4.99: • Barcode scanner with camera • Search millions of food products • Export data as CSV or JSON • Manual barcode entry PRIVACY PROMISE MainGain is designed with your privacy in mind. All data stays on your device. No account required, no cloud sync, no tracking. Your health data is yours alone. Start your 14-day discovery today and never guess your calories again.

Screenshots

Activity Tracker by RedZonkey4 screens
MainGain4 screens

Verdict

The call

The clearest difference is rating: MainGain at 5.0 against Activity Tracker by RedZonkey's 4.3. MainGain also leads on ads (none vs shown). Activity Tracker by RedZonkey's advantage is ratings volume (21 vs 2). On price, in-app purchases, monetization model and device support 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. Activity Tracker by RedZonkey sells 3 one-off in-app purchases and MainGain sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

MainGain holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Activity Tracker by RedZonkey has 21 ratings behind it against 2, so its average is the more settled of the two.

Scorecard3 real differences · 7 level
Activity Tracker by RedZonkey versus MainGain: the parameters behind the verdict, then further details
ParameterActivity Tracker by RedZonkeyMainGain
PriceFreeFree
Rating4.3 (21 ratings)5.0 (2 ratings) — better
Positive reviews92.9% of reviews—
Number of ratings21 — better2
Update frequencyFortnightly—
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, Apple Watch — betteriPhone
Requires iOS16.0 — better17.0
Further details — not scored
Size313 MB1 MB
Age rating12+4+
DeveloperDeep Systems ATP LtdMaxwell Isley

Customer experience

Activity Tracker by RedZonkey

All ratings20 ratings
Positive85.0%
Neutral0.0%
Negative15.0%
Written reviews14 reviews
Positive92.9%
Neutral0.0%
Negative7.1%

MainGain

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Activity Tracker by RedZonkey

One-time3
  • 1K Fitness Coins$9.99
  • 2K fitness Coins$14.99
  • 3K Max Coins$19.99
1 purchases

MainGain

One-time1
  • MainGain Pro$4.99

Questions

Is Activity Tracker by RedZonkey free?
Activity Tracker by RedZonkey is free to download, with in-app purchases available.
Is MainGain free?
MainGain is free to download, with in-app purchases available.
Which has better reviews, Activity Tracker by RedZonkey or MainGain?
MainGain is rated higher. Activity Tracker by RedZonkey averages 4.3 out of 5 from 21 ratings, while MainGain averages 5.0 from 2 ratings.
Do Activity Tracker by RedZonkey or MainGain have ads?
Activity Tracker by RedZonkey shows ads; MainGain does not.

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