# On vs iWorkUntil

The clearest difference is update cadence: iWorkUntil at weekly against On's every 6 weeks. iWorkUntil also leads on device support. On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On ships an update every 6 weeks, iWorkUntil weekly. The most recent releases landed on September 19, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | On | iWorkUntil |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Size | 13 MB | 51 MB |
| Requires iOS | 17.6 | **16.4** |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Digital Advisory Limited](https://appshunter.io/developer/1707419200) | [David Klausz](https://appshunter.io/developer/1626521331) |

## What reviewers say

### On

[App page](https://appshunter.io/ios/app/on-timer/id6505042448)

**In-app purchases:** none


### iWorkUntil

[App page](https://appshunter.io/ios/app/iworkuntil-adhd-visual-timer/id6759521985)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is On free?

On is free to download, with no in-app purchases.

### Is iWorkUntil free?

iWorkUntil is free to download, with no in-app purchases.

### Which is updated more often, On or iWorkUntil?

On ships an update every 6 weeks, and iWorkUntil weekly. Most recently, On was updated on September 19, 2026 and iWorkUntil on September 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*