00 vs Tempo
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'.
Tempo
This app helps you manage your digital well-being by setting per-use limits and cooldown periods for selected applications. It utilizes your device's screen time system to enforce these restrictions, promoting shorter, more mindful app sessions. The interface is designed to be calm and unobtrusive.
- Per-app usage limits
- Customizable cooldown periods
- Utilizes Apple Screen Time system
- Simple and calm interface
- Private by design (on-device data)
- No accounts, advertising, or tracking
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Tempo helps you keep app sessions short with per-use limits and cooldowns. Choose the apps you want to keep in check, set a usage limit for each one, and choose how long to pause after reaching that limit. Tempo uses Apple's Screen Time system to block the app during its cooldown. HOW IT WORKS - Choose the apps you want to limit. - Set a usage limit, from seconds to minutes. - Set a cooldown before another session. - Adjust your settings whenever you need to. A CALMER WAY TO CHECK IN A simple interface, clear duration controls and gently breathing blue light help you set limits without adding more distraction. Screen Time reports usage to Tempo, so short limits are approximate and blocking may be delayed. Brief switches between apps may remain part of the same session. Cooldown starts when the app is blocked. PRIVATE BY DESIGN Your usage information stays on your device. No accounts, advertising or tracking. Tempo is for limiting your own apps on your own iPhone.
Screenshots
Verdict
The clearest difference is update cadence: 00 at daily against Tempo's weekly. 00 also leads on iOS requirement (10.0 vs 16.0). On price, rating, ratings volume and ads 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.
On the App Store both sit at effectively the same score — 5.0 for 00 against 5.0 for Tempo. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
00 ships an update daily, Tempo weekly. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.
| Parameter | 00 | Tempo |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Number of ratings | 1 | 1 |
| Update frequency | Daily — better | Weekly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 10.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 28 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Adriaan de Jongh | Aiden Magarian |
In-app purchases
00
No in-app purchases
Tempo
No in-app purchases









