# 20s Timer vs optDesk

The clearest difference is in-app purchases: optDesk at none against 20s Timer's 1. optDesk also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 37 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 20s Timer sells 1 one-off in-app purchase. optDesk asks for nothing beyond the download.

20s Timer ships an update every 37 months, optDesk every 3 weeks. The most recent releases landed on September 24, 2026 and May 17, 2026 respectively.

## The numbers

| Metric | 20s Timer | optDesk |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 37 months | **Every 3 weeks** |
| Size | 6 MB | 35 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MARK MANSER](https://appshunter.io/developer/1378563905) | [i2i softwares private limited](https://appshunter.io/developer/1155899316) |

## What reviewers say

### 20s Timer

[App page](https://appshunter.io/ios/app/20s-timer/id1521305784)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### optDesk

[App page](https://appshunter.io/ios/app/optdesk/id1522836230)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 20s Timer free?

20s Timer is free to download, with in-app purchases available.

### Is optDesk free?

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

### Do 20s Timer or optDesk have ads?

20s Timer shows ads; optDesk does not.

### Which is updated more often, 20s Timer or optDesk?

20s Timer ships an update every 37 months, and optDesk every 3 weeks. Most recently, 20s Timer was updated on September 24, 2026 and optDesk on May 17, 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.*