00 vs 0PANIC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
00
This workout tool allows you to create custom exercise routines with timers, reminders, and notes. Track your progress by saving sessions and viewing your improvements over time. It's a free, personal project designed for users who know their own exercises.
- Customizable exercise display
- Metronome and reminder setup
- Exercise tagging and notes
- Create sets and routines
- Save and track session progress
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00:37 is a workout tool. important notes: - the app doesn't contain any exercises or routines. add and do exercises you know how to do properly. 00:37 does not replace a mentor or classes. - the app is a side project, mostly designed for personal use, made available for free. I may update it occasionally, but don't expect regular updates or convenient features. I may also remove features that don't work for me or change things in ways you may not like; that's part of the deal here. features: - 5 types of exercises display time, repetitions, or amounts in different ways. - add a metronome, setup time, reminder sounds, tags, and notes to your exercises. - create sets and routines of exercises. - save your sessions so you can see how you progress. tip: - you are less likely to miss a timer, break, or reminder by going to Settings > Notifications > 00:37 and setting the notification style to 'Persistent'.
0PANIC
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When panic hits, your rational brain goes offline. You can't read instructions. You can't count breaths. You can't do anything. 0PANIC works exactly in that moment. One tap from the home screen widget starts a 2-minute session. Place your phone on your chest. Progressive haptic feedback and brown noise do the work, you don't have to do anything. How it works The haptic engine simulates a heartbeat slowing from 92 to 52 BPM across three progressive phases: Heavy, Medium, Soft. Your nervous system follows the rhythm without you having to think about it. Brown noise with a gradual fade-in covers ambient sound and lowers your activation level. Zero UI When you're in panic, the interface disappears. Only the pulsing blob and minimal text remain. No menus, no login, no notifications. Home screen widget Immediate access from your home screen. One tap and you're in. No unlocking required. Privacy by design 0PANIC collects zero data. No account required. No internet connection needed. Everything happens on your device. Works in silent mode. Disclaimer: 0PANIC is a personal wellness tool and does not replace professional medical advice. It does not provide medical diagnoses or treatments. If you experience persistent anxiety disorders, please consult a doctor or mental health professional.
Screenshots
Verdict
The clearest difference is update cadence: 00 at daily against 0PANIC's every 2 weeks. 00 also leads on iOS requirement (10.0 vs 17.6). 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. Neither carries in-app purchases, so what you see is what you pay.
00 ships an update daily, 0PANIC every 2 weeks. The most recent releases landed on November 2, 2026 and November 10, 2026 respectively.
| Parameter | 00 | 0PANIC |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Daily — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 10.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 28 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Adriaan de Jongh | LUCA PUNZO |
In-app purchases
00
No in-app purchases
0PANIC
No in-app purchases









