16 vs Mantis
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
16
This app guides users through intermittent fasting with personalized plans and convenient tracking tools. It helps manage weight, boost energy, and improve overall health with customizable reminders.
- Personalized intermittent fasting plans
- Fasting and eating window tracking
- Customizable start/end reminders
- AI Calorie Tracker
- Weight loss support
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16:8 - Intermittent Fasting App is your reliable partner in achieving a healthy lifestyle through intermittent fasting. Our application is designed for those who aim to improve their health, manage weight, and boost energy. Features: - Personalized Plan: We offer individual intermittent fasting plans tailored to your lifestyle, goals, and physiological characteristics. - Convenient Tracking: Easily monitor your daily fasting periods and eating windows with an intuitive interface. - Notification Customization: Receive personalized reminders for the start and end of fasting periods to help you stick to your schedule. 16:8 - Intermittent Fasting App now and start your journey towards a healthy lifestyle today! Privacy Policy: https://168app.tilda.ws/privacy_policy Terms of use: https://168app.tilda.ws/terms_of_use
Mantis
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Mantis is the workout app where you never count. Put your iPhone in front of you: the camera recognizes the exercise and counts every rep. Your only job is to move. JUST TRAIN. WE COUNT. • Camera rep counter for push-ups, squats, pull-ups, burpees, jumping jacks and more • Plank timer that starts on its own as soon as you hold the position • Only full reps count — partial reps are shown separately, so your numbers stay honest • Free mode: do exercises in any order, Mantis figures out what you're doing • Sets mode: rep goals, number of sets and a rest timer • Voice coach that guides the workout and counts out loud • Technique videos before exercises you haven't done yet • On iPhone models with LiDAR, movement is tracked in 3D for even better accuracy SHORT, NO EXCUSES A 4-minute warm-up, a home workout or a street workout on the bar and dips. 15 exercises, most of them bodyweight. No gym needed — just your phone and a bit of floor. PROGRESS YOU CAN SEE • Workout report: reps, time, pace and intensity rating • Charts for the week, the month and all time • Day streak and weekly goal • Home Screen widget — the mantis reminds you when your streak is at risk TRAIN WITH FRIENDS • A feed of your friends' workouts with likes and comments • Teams of up to 8: points for every workout and weekly quests • A new season every month with a team leaderboard and podium places • 11 achievements, from Rookie to Titan YOUR WORKOUT RECEIPT Share your result to Instagram Stories, TikTok or Telegram as a stylish receipt or a polaroid. Mantis takes photos while you train — just pick the best one. APPLE WATCH On Apple Watch: your streak, weekly goal and latest workout, and the streak flame on your watch face. Heart rate from the watch during a workout, on screen and in the summary. Pause right from the watch. APPLE HEALTH Workouts are saved to Apple Health and close your Activity rings on iPhone and Apple Watch. Calories are estimated from your weight. PRIVACY Movement is recognized right on your iPhone. Video is never recorded or uploaded. Heart rate from the watch stays on your devices. Only the photos you choose appear in the feed. Your profile can be private. Mantis is free — no subscriptions and no ads. Put your phone down. Start with a short one.
Screenshots
Verdict
The clearest difference is in-app purchases: Mantis at none against 16's 3. On price, update cadence, ads 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
Both are free to download. 16 sells 3 in-app purchases, starting at $6.99 per 7 days. Mantis asks for nothing beyond the download.
16 ships an update every 5 days, Mantis every 3 days. The most recent releases landed on October 23, 2026 and October 26, 2026 respectively.
| Parameter | 16 | Mantis |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (64 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 64 — better | — |
| Update frequency | Every 5 days | Every 3 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone, Apple Watch — better |
| Requires iOS | 16.2 — better | 17.0 |
| Further details — not scored | ||
| Size | 71 MB | 28 MB |
| Age rating | 4+ | 12+ |
| Developer | AV PRO GROUP LTD | Mikhail Kurbatov |
In-app purchases
16
- Weekly Plan$6.997 Days
- Premium Yearly Plan3 Days trial$39.991 Year
- Premium Yearly Plan$49.991 Year
Mantis
No in-app purchases









