Box Timer vs GymAi.
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Box Timer
This app provides a simple, distraction-free timer designed for intense training sessions like CrossFit, HIIT, and functional fitness. It features a massive, high-contrast display, customizable interval options, and seamless audio cue integration with music apps. All workouts are automatically saved for easy tracking and reuse.
- Massive, high-contrast display
- Supports AMRAP, EMOM, For Time, Tabata
- Customizable work/rest intervals and rounds
- Works with music apps, clear audio cues
- Automatic workout history and reuse
- Background operation and screen lock support
- No ads or sign-up required
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SIMPLE TIMER BUILT FOR SERIOUS TRAINING Box Timer brings the power of a CrossFit box timer to your phone. Massive display. Zero distractions. Works perfectly whether you're in the gym, at home, or training outdoors. BUILT FOR CROSSFIT, HIIT & FUNCTIONAL FITNESS From crushing WODs to HYROX training and daily circuits — Box Timer handles every workout type with a clean interface that keeps you focused on the work, not the timer. EVERY WORKOUT TYPE COVERED - AMRAP (As Many Rounds As Possible) - EMOM (Every Minute On the Minute) - For Time workouts with countdown - Tabata (20/10 protocol) - Custom intervals with work/rest periods and rounds - Count up or count down modes DESIGNED FOR VISIBILITY – Massive timer display with high-contrast text – Landscape mode for maximum size – Readable from 10+ meters away – Perfect for garage gyms and home workouts AUDIO THAT WORKS WITH YOUR MUSIC – Crystal-clear audio cues for round changes – Works seamlessly with Spotify, Apple Music, and any audio app – No interruptions to your playlist – Simple settings for audio on/off SAVE YOUR GO-TO TIMERS – Save any timer as a named preset – Load it again with one tap from the timer screen – Edit or delete presets anytime – Never set up the same workout twice ZERO FRICTION EXPERIENCE – Works in background and with screen locked – No account or sign-up required – No ads – Lightning-fast timer setup – Runs smoothly even during intense workouts GLOBAL FITNESS COMMUNITY Available in English, Swedish, German, Spanish, Polish, French, and Japanese WHY ATHLETES CHOOSE BOX TIMER "This app is a must have for CrossFit workouts. Ideal for emoms, amraps and for time workouts. I even use it for strength work like squats by programming beeps for 45 seconds work and 2 minutes rest. And it’s free! I mean come on." Whether you're an elite athlete or just starting your fitness journey, Box Timer delivers exactly what you need: a powerful, distraction-free timer that stays out of your way. Get it now and experience the difference.
GymAi.
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GymAI analyzes your fitness goals, experience level, and workout history to deliver training plans tailored specifically to you. As you complete workouts, the AI continuously adapts intensity, exercises, and volume to keep you progressing safely and effectively. Important: An active subscription is required to access GymAI’s training programs and core features. What You Get with a Subscription: • AI-generated workouts with automatic progression • Smart exercise substitutions when equipment is busy • Daily AI coaching check-ins & recovery optimization • Leaderboards, points multipliers, and performance rewards • Continuous personalization based on your progress Subscription Information GymAI requires a paid auto-renewing subscription to access app content and features. We offer the following subscription options: 1-Monthly Subscription Access all app content for one month Subscription automatically renews each month unless canceled 2-Annual Subscription Access all app content for one full year Discounted price compared to the monthly plan Subscription automatically renews annually unless canceled Payment will be charged to your Apple ID account at confirmation of purchase. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current billing period. You can manage or cancel your subscription anytime in your App Store account settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Box Timer at none against GymAi.'s 2. GymAi.'s advantage is update cadence (every 4 days vs monthly) and iOS requirement (15.1 vs 18). On price, 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. GymAi. sells 2 in-app purchases, starting at $12.99 per month. Box Timer asks for nothing beyond the download.
Box Timer ships an update monthly, GymAi. every 4 days. The most recent releases landed on October 14, 2026 and October 1, 2026 respectively.
| Parameter | Box Timer | GymAi. |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (2.9K ratings) — better | — |
| Positive reviews | 93.4% of reviews | — |
| Number of ratings | 2.9K — better | — |
| Update frequency | Monthly | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18 | 15.1 — better |
| Further details — not scored | ||
| Size | 7 MB | 120 MB |
| Age rating | 4+ | 4+ |
| Developer | Edvin Linden | Gary Miller |
Bugs and requests
Box Timer
Reported bugs
3 issues- Timer not functioning properly in landscape mode
- Review prompt interfering with timer operation
- Compatibility issues on certain iPad models
Requested features
4 requests- Round count display during rest periods
- Customizable countdown beeps or sounds
- Ability to save and load custom timer settings
- Apple Watch app support
GymAi.
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Box Timer
No in-app purchases
GymAi.
- Pro Plan Monthly7 Days trial$12.991 Month
- Pro Plan Yearly7 Days trial$99.991 Year









