# 00:37 — a workout tool

> Customizable workout routine builder with exercise tracking and session saving. (iPhone/iPad app by Adriaan de Jongh.)

- Source: https://appshunter.io/ios/app/0037/id1441908337 (this page in markdown: same URL + `.md`)
- Developer: [Adriaan de Jongh](https://appshunter.io/developer/965628077)
- Category: Health & Fitness, Sports
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 10.0 · 28 MB
- Languages: American English
- Released: 2019-10-19
- Data updated: 2026-08-23
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/0037/id1441908337/reviews.md

## What is 00?

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'.

## Key features

- Customizable exercise display
- Metronome and reminder setup
- Exercise tagging and notes
- Create sets and routines
- Save and track session progress


## Frequently asked questions about 00

### Does 00:37 include exercises or routines?

No, 00:37 does not contain any exercises or routines. Users are expected to add and perform exercises they already know how to do properly. The app serves as a tool to structure and time these known exercises.

### How often is 00:37 updated?

00:37 is a side project and may be updated occasionally, but regular updates are not expected. The developer may change features or remove them without notice, as it's primarily for personal use.

### What devices does 00:37 support?

00:37 is available for iPhone and iPod devices. It is designed to run on these Apple mobile platforms.

### What is the age rating for 00:37?

00:37 has an age rating of 4+. This indicates it is suitable for users of all ages, with no mature content.

### Can I see my progress with 00:37?

Yes, you can save your workout sessions within 00:37. This allows you to review your past sessions and track how you progress over time.

### Does 00:37 have ads?

No, 00:37 does not contain any advertisements. The app is made available for free and does not include ads.

### What are the different exercise display options in 00:37?

00:37 offers 5 types of exercise displays. These options allow you to show time, repetitions, or amounts in various ways to suit your workout needs.

### How can I ensure I don't miss timers or reminders in 00:37?

To minimize missed timers or breaks, go to Settings > Notifications > 00:37 and set the notification style to 'Persistent'. This ensures that notifications remain visible until dismissed.

## Version history (last 4 releases)

### 1.1.2 — 2020-09-20

Added a tool to copy all session data to the clipboard. The data can then be saved to a .csv file and imported into a spreadsheet program.

### 1.1.1 — 2019-10-21

- fixed bug stopping users from saving sessions in exercises part of a set with exercises without sessions. (You can read that again...)

### 1.1 — 2019-10-21

- fixed multiple auto-continue sets in a routine not working properly.
- fixed duplicating sets in routines.
- fixed input fields not showing text or the caret.
- fixed 'edit set' icon not working from within routines.

### 1.0 — 2019-10-19

No release notes.

## Apps similar to 00

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Hybrid Flow](https://appshunter.io/ios/app/hybrid-flow/id6749823973) | — | Free | Health & Fitness |
| [IntervalFree](https://appshunter.io/ios/app/intervalfree/id6759891915) | 5.0 (3) | Free | Health & Fitness |
| [Rekord](https://appshunter.io/ios/app/rekord/id1673613197) | 5.0 (6) | Free | Health & Fitness |
| [My Healthy Maryland](https://appshunter.io/ios/app/my-healthy-maryland/id1562280647) | — | Free | Health & Fitness |
| [Mini Workouts: No Equipment](https://appshunter.io/ios/app/mini-workouts-no-equipment/id6476703177) | 3.0 (2) | Free | Health & Fitness |
| [VibbyMe](https://appshunter.io/ios/app/vibbyme/id6741622693) | — | Free | Health & Fitness |

## More apps by Adriaan de Jongh

- [Fingle](https://appshunter.io/ios/app/fingle/id490109661)
- [Fingle Free](https://appshunter.io/ios/app/fingle-free/id574412101)
- [Bam fu](https://appshunter.io/ios/app/bam-fu/id641975866)
- [Bam fu Free](https://appshunter.io/ios/app/bam-fu-free/id649367581)
- [Bounden](https://appshunter.io/ios/app/bounden/id850456491)
- [Petit Prix](https://appshunter.io/ios/app/petit-prix/id965628078)

All apps by Adriaan de Jongh: https://appshunter.io/developer/965628077

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-23.*