Gym Tracker vs IntervalTimer Duo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Gym Tracker
This app helps you meticulously track strength training and gym workouts. Log every detail of your lifts, build custom routines, and analyze your progress with clear, insightful analytics. Your data remains private and accessible offline.
- Log reps, sets, and weights
- Build custom workout routines
- Track progress with analytics
- Personal record tracking
- Offline functionality
- Apple Watch integration
- Privacy-focused data storage
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Akiya is a focused workout tracker for strength training and gym workouts. Log every rep, set, and lift. Build routines. Track progress with clean analytics. No accounts. Works offline. Your data stays private. --- TRAIN WITH PRECISION Log reps, sets, and weights with support for warm-ups, drop sets, supersets, and failure sets. Stay on pace with rest timers and switch between metric and imperial units anytime. EXERCISES & ROUTINES Choose from 900+ exercises with professional video demos and muscle targeting. Build custom routines or create unlimited exercises tailored to your training style. PROGRESS & ANALYTICS See clear monthly stats with daily breakdowns for volume, calories, time, and distance. Explore muscle balance, recovery heat maps, equipment usage, and workout locations. PERSONAL RECORDS PRs are tracked automatically. Follow long-term trends for max weight, volume, and reps. Includes a built-in one-rep max calculator and detailed workout summaries. APPLE WATCH Train phone-free. Track heart rate in real time, sync calories automatically, and keep everything backed up with private iCloud sync. BUILT FOR THE GYM Fast, distraction-free logging. Works fully offline. Track body measurements, receive recovery reminders, and move between sets without friction. --- FREE - 600+ exercises with video and muscle data - Up to 3 workout routines - Up to 3 custom exercises - Supersets, warm-ups, drop & failure sets - Rest timers with haptics - Workout reports & PR tracking - Monthly stats - Recent workout history - Body measurement tracking - HealthKit & Apple Watch support - iCloud sync PRO & ULTRA - Full 900+ exercise library - Unlimited routines, exercises, and history - Muscle heat maps & balance analytics - Strength, cardio & mobility insights - Equipment usage analytics - PR progression & measurement charts - Premium support --- Train with intention. Track with clarity. Akiya keeps your workouts fast, focused, and private. Terms of Use, License, and Privacy Policy: https://akiya.app/legal
IntervalTimer Duo
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IntervalTimer Duo is a simple and easy-to-use interval timer app for iPhone and iPad that alternates between two customizable timers. 【Key Uses】 • HIIT (High-Intensity Interval Training) • Pomodoro Technique (work and break cycles) • Cooking timing management • Stretching and yoga routines • Study and rest cycle management 【Features】 • Automatically alternate between two timers • Each timer adjustable from 1 second to 60 minutes • Preset feature to save and instantly recall favorite settings (1 preset free; unlimited presets: Premium) • Share presets via link — let friends import your timer setup in one tap (Premium) • Set counter to track progress toward your target sets (Premium) • Audio notifications and vibration when timers end • Live Activity shows remaining time on Lock Screen and Dynamic Island (Premium) • Customizable alert sounds (extra sounds: Premium) • Simple and intuitive interface 【Preset Sharing】 • Share your favorite timer configurations via link • Recipients can import presets with a single tap • Sync routines with your team or workout partners 【Ease of Use】 • One-tap start, pause, and reset • Quick time setting with preset buttons • Visual circular progress bars show remaining time • Second timer can be enabled/disabled as needed • Set counter tracks completed sets toward your goal 【Free & Premium】 The app is free to download and use. After installing, all premium features are unlocked for a 14-day free trial. When the trial ends, premium features require a one-time purchase (pay once, use forever) — a Universal Purchase shared between iOS and macOS. Free forever: • Two timers running alternately (1 second to 60 minutes each) • One saved preset • Basic alert sounds • Audio and vibration notifications when timers end • Circular progress bar Premium (one-time purchase, or during the free trial): • Unlimited presets • Preset sharing via link • Set counter • Additional premium alert sounds • Live Activity on Lock Screen and Dynamic Island 【Compatibility】 • iPhone and iPad • Available in English, Japanese, French, German, and Spanish 【Universal Purchase】 If you own the macOS version, you can use the iOS version at no additional cost. A simple yet fully-featured interval timer app that's perfect for any timing needs. Privacy Policy: https://techback.info/interval-timer/ios/privacy-policy.html Terms of Use (EULA): https://techback.info/interval-timer/ios/terms-of-use.html
Screenshots
Verdict
The clearest difference is update cadence: Gym Tracker at daily against IntervalTimer Duo's every 2 weeks. On price, ads, in-app purchases 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. Gym Tracker sells 3 in-app purchases, starting at $5.99 per month and IntervalTimer Duo sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Gym Tracker ships an update daily, IntervalTimer Duo every 2 weeks. The most recent releases landed on July 22, 2026 and September 7, 2026 respectively.
| Parameter | Gym Tracker | IntervalTimer Duo |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Daily — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, Apple Watch | iPhone, iPad, Mac — better |
| Requires iOS | 26.0 — better | 26.1 |
| Further details — not scored | ||
| Size | 186 MB | 10 MB |
| Age rating | 12+ | 4+ |
| Developer | asimetriq OU | kosuke konuma |
In-app purchases
Gym Tracker
- Pro7 Days trial$5.991 Month
- Ultra$39.991 Year
- Ultra$59.99
IntervalTimer Duo
- Full Version$2.99





