Intervals One vs HealthMirror
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Intervals One
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Intervals One ā Your Interval Training Coach The interval timer designed for real workouts. Crystal-clear voice guidance, effortless setup, and intelligent features that adapt to how you train. No clutter. No complexity. Just smart interval training that helps you build better workouts and stay focused. TWO MODES. INFINITE POSSIBILITIES. Simple Mode: Perfect for quick sessions. Set your timing for all exercises at once, hit start, and let the voice guidance coach you through every phase. Ideal for consistent HIIT, Tabata, circuits, or bodyweight training. Premium users can customize each exercise stage with specific movements, reps, and effort levels. Advanced Mode: Complete control. Customize every exercise with individual timings per round, choose specific movements from our exercise library, set rep targets or effort levels, and build structured training programs that match your goals. WHY ATHLETES CHOOSE INTERVALS ONE Clear Voice Coaching: Professional voiceovers - announce every phase, exercise, and transition. Train eyes-free with clear, motivating guidance that keeps you in the zone. Intuitive Design: Create workouts in seconds with our distraction-free interface. No complicated builders or endless menus - just fast, focused setup that gets you moving. Works Everywhere: Train offline, indoors, or outdoors. No internet required once downloaded. Works perfectly with AirPods, speakers, or silent mode with haptics. PERFECT FOR - HIIT & Tabata intervals - AMRAP (As Many Reps As Possible) - Circuit training - Bodyweight workouts - Strength & conditioning - Cardio intervals - Functional fitness - CrossFit-style training SMART COACHING FEATURES - Next exercise cues so you're always prepared - Halfway alerts to pace yourself - Round completion announcements - Customizable countdown timers - Haptic feedback for silent training - Adjustable audio cues - Round recovery periods PRIVACY FIRST Your workout data stays yours. No account required. Optional iCloud sync keeps your workouts and history private and secure across your devices. START FREE Get unlimited basic interval workouts with full timing customization and premium voice guidance - completely free. Upgrade to Premium when you're ready for exercise selection, rep tracking, and advanced per-round customization. Download Intervals One and experience smarter interval training today. Privacy Policy: https://www.ninetysixsoftware.co.uk/hiit-privacy-policy/ Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
HealthMirror
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When I tried to put my own Apple Health data to use, I hit a wall. Years of it sat on my iPhone, but my Mac couldn't reach it ā and what was there was scattered, each app keeping to its own corner, none of it joined up enough to analyze. People want different things from their health data, but the first step is the same for everyone: getting it into files your own tools can read. What HealthMirror does is simple. It keeps mirroring your own health data into plain-text files in your own iCloud Drive. New data follows on its own, usually within a day; often there by the next morning. The data travels inside your own Apple Account; the developer collects none of this health data. What it does ⢠Read-only. It reads only the categories you authorize ā sleep (with stages), steps, active energy, workouts, heart rate, resting heart rate, HRV, and body weight ā and never writes or changes a single number in the Health app. Menstrual cycle is off by default; it asks for permission only after you turn it on yourself. ⢠One destination: your own iCloud Drive. Files land in your iPhone's iCloud and sync on to your Mac. The app's own code makes no outbound network requests ā no developer server, no analytics, no ads, no tracking. The developer never receives, and cannot access, any of it. ⢠Plain-text JSONL ā read it with Python, a spreadsheet, or an AI tool you've authorized yourself. Visible and deletable in iCloud anytime. Who it's for ⢠People whose data has been piling up in Apple Health for years, who want to put it to use themselves. ⢠People who trust iCloud well enough to accept their own iCloud Drive as a way to get their data out. ⢠People who want a local AI assistant to read this data for them. Zero management Set it up once, and it keeps mirroring in the background. Nothing to check, nothing to press ā it just keeps going until you want the files. Optional: let your own AI read it With the open-source MCP server (github.com/mlyxz/healthmirror-mcp, installed on your own Mac and run locally), a local AI assistant can query this data. The MCP server runs on your own Mac, and the assistant receives aggregated results rather than the raw data. Before you start ⢠Requires iCloud Drive. To sync to a Mac, the Mac must be signed in to the same Apple Account. ⢠You don't need a Mac to start: your data goes into your iCloud Drive, and you can view it in the Files app on the iPhone itself. ⢠Uninstalling the app does not delete files already synced to iCloud; to remove them, use the Files app.
Screenshots
Verdict
The clearest difference is in-app purchases: HealthMirror at none against Intervals One's 3. Intervals One's advantage is iOS requirement (17.0 vs 26.4). On price, ads and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Intervals One sells 3 in-app purchases, starting at $1.99 per month. HealthMirror asks for nothing beyond the download.
| Parameter | Intervals One | HealthMirror |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | ā |
| Ads | No | No |
| In-app purchases | Yes | No ā better |
| Devices | iPhone, iPad ā better | iPhone |
| Requires iOS | 17.0 ā better | 26.4 |
| Further details ā not scored | ||
| Size | 64 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Ninety Six Software Ltd | Xiao Zhang |
In-app purchases
Intervals One
- Pro Monthly7 Days trial$1.991 Month
- Pro Annual$14.991 Year
- Pro Lifetime$19.99
HealthMirror
No in-app purchases
Questions
Is Intervals One free?
Is HealthMirror free?
Do Intervals One or HealthMirror have ads?
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