# Timer vs OTB Clock

The clearest difference is ads: OTB Clock at none against Timer's shown. OTB Clock also leads on update cadence (every 2 weeks vs every 13 months). Timer's advantage is iOS requirement (15.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Timer sells 1 in-app purchase, starting at $0.99 per month and OTB Clock sells 1 in-app purchase, starting at $19.99 per year. Whichever you choose, the download price is not the number that matters.

Timer ships an update every 13 months, OTB Clock every 2 weeks. The most recent releases landed on June 4, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Timer | OTB Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 13 months | **Every 2 weeks** |
| Size | 11 MB | 1 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [颖欣 李](https://appshunter.io/developer/1265860370) | [杰 向](https://appshunter.io/developer/1860305678) |

## What reviewers say

### Timer

[App page](https://appshunter.io/ios/app/timer-countdown-memos/id6680180719)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Timer Pro | $0.99 | per month |


### OTB Clock

[App page](https://appshunter.io/ios/app/otb-clock/id6762344990)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium — Yearly | $19.99 | per year |


## Frequently asked questions

### Is Timer free?

Timer is free to download, with in-app purchases available.

### Is OTB Clock free?

OTB Clock is free to download, with in-app purchases available.

### Do Timer or OTB Clock have ads?

Timer shows ads; OTB Clock does not.

### Which is updated more often, Timer or OTB Clock?

Timer ships an update every 13 months, and OTB Clock every 2 weeks. Most recently, Timer was updated on June 4, 2026 and OTB Clock on September 19, 2026.

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