# YAT (Yet Another Timer) Lite vs atmospherePro

The clearest difference is update cadence: atmospherePro at every 2 months against YAT (Yet Another Timer) Lite's every 42 months. YAT (Yet Another Timer) Lite's advantage is iOS requirement (9.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

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

YAT (Yet Another Timer) Lite ships an update every 42 months, atmospherePro every 2 months. Both last shipped on September 19, 2026.

## The numbers

| Metric | YAT (Yet Another Timer) Lite | atmospherePro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 42 months | **Every 2 months** |
| Size | 11 MB | 38 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 17+ |
| Developer | [Kevin Brain](https://appshunter.io/developer/583736033) | [Atsign](https://appshunter.io/developer/1516551087) |

## What reviewers say

### YAT (Yet Another Timer) Lite

[App page](https://appshunter.io/ios/app/yat-yet-another-timer-lite/id981658537)

**Features:** macOS Compatibility

**In-app purchases:** none


### atmospherePro

[App page](https://appshunter.io/ios/app/atmospherepro/id1550936444)

**In-app purchases:** none


## Frequently asked questions

### Is YAT (Yet Another Timer) Lite free?

YAT (Yet Another Timer) Lite is free to download, with no in-app purchases.

### Is atmospherePro free?

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

### Do YAT (Yet Another Timer) Lite or atmospherePro have ads?

Neither YAT (Yet Another Timer) Lite nor atmospherePro shows ads.

### Which is updated more often, YAT (Yet Another Timer) Lite or atmospherePro?

YAT (Yet Another Timer) Lite ships an update every 42 months, and atmospherePro every 2 months. Most recently, YAT (Yet Another Timer) Lite was updated on September 19, 2026 and atmospherePro 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.*