# ClickTimer vs Atto

The clearest difference is device support: ClickTimer at 3 against Atto's 1. ClickTimer also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. ClickTimer sells 1 one-off in-app purchase and Atto sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ClickTimer ships an update every 4 days, Atto every 3 days. The most recent releases landed on October 2, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | ClickTimer | Atto |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 days | **Every 3 days** |
| Size | 91 MB | 11 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SEONYONG LEE](https://appshunter.io/developer/6775892940) | [Beomjin In](https://appshunter.io/developer/1791890813) |

## What reviewers say

### ClickTimer

[App page](https://appshunter.io/ios/app/clicktimer-ticketing-timer/id6782375382)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 광클타이머 Pro | $0.99 | one-time |


### Atto

[App page](https://appshunter.io/ios/app/atto-ticket-drop-timer/id6811104130)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Atto Pro | $2.99 | one-time |


## Frequently asked questions

### Is ClickTimer free?

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

### Is Atto free?

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

### Do ClickTimer or Atto have ads?

Both ClickTimer and Atto show ads.

### Which is updated more often, ClickTimer or Atto?

ClickTimer ships an update every 4 days, and Atto every 3 days. Most recently, ClickTimer was updated on October 2, 2026 and Atto on October 10, 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.*