IntervalTimer(x) vs GutHarmony
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
IntervalTimer(x)
This app provides a customizable interval timer for workouts, focus sessions, and breaks. It offers audio cues, visual progress, and tracks workout history locally. Optional body metrics can be entered for calorie estimates, all stored securely on your device.
- Customizable work/rest/sets intervals
- Audio cues for transitions
- Workout history log
- Local calorie estimates
- Offline functionality
- Siri Shortcuts integration
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IntervalTimer - Train On Your Terms IntervalTimer is a clean, customizable interval timer built for workouts, focus sessions, and recovery breaks. Set your work duration, rest duration, and number of sets , then let the app keep you on pace with audio cues and a visual progress indicator. Your data stays on your device. IntervalTimer collects no personal data and has no account system. Everything - your workout history, body metrics, timer configurations, and intentions - is stored locally using Apple's SwiftData framework. Nothing leaves your phone. There are no servers, no cloud sync, no analytics pipelines, and no third-party SDKs tracking your behavior. The optional body metrics (weight, height, sex) you enter for calorie estimates are saved only in your device's local storage via UserDefaults. They are never transmitted, never shared, and never used for any purpose beyond the in-app calorie calculation you see on screen. Features: - Fully customizable work/rest/sets intervals - Audio cues for transitions and completion - Workout history log with session details - Calorie estimates based on your local profile - Intentions tracking to reflect on your mindset - Pre-configured templates to get started fast - Siri Shortcuts and Spotlight integration - Works entirely offline - always Disclaimer: Calorie estimates are educational only and not a substitute for medical advice.Consult a healthcare provider before making health decisions.
GutHarmony
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GutHarmony is a private, offline bowel wellness app for iPhone. Log bowel movements with the Bristol Stool Scale, add optional symptoms and daily context, and get calm, deterministic coaching that stays on your device. Trends and educational guides help you notice patterns over time without accounts, cloud sync, analytics, or remote AI. GutHarmony is educational wellness support only. It does not replace a doctor, diagnosis, treatment plan, or emergency care.
Screenshots
Verdict
The clearest difference is price: IntervalTimer(x) at Free against GutHarmony's $0.99. GutHarmony's advantage is update cadence (every 2 days vs every 3 weeks). On ads, in-app purchases, device support and iOS requirement 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
IntervalTimer(x) is free to download; GutHarmony costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
IntervalTimer(x) ships an update every 3 weeks, GutHarmony every 2 days. The most recent releases landed on July 6, 2026 and September 21, 2026 respectively.
| Parameter | IntervalTimer(x) | GutHarmony |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 weeks | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone |
| Requires iOS | 18.1 | 17.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 4 MB |
| Age rating | 4+ | 17+ |
| Developer | ShapeHaven Innovations LLC | Midean Ismail |
In-app purchases
IntervalTimer(x)
No in-app purchases
GutHarmony
No in-app purchases









