# Algorithm Master vs Countdown Timing

The clearest difference is ads: Algorithm Master at none against Countdown Timing's shown. On price, in-app purchases, device support 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.

## The numbers

| Metric | Algorithm Master | Countdown Timing |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Every 18 months |
| Size | 4 MB | 32 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [辉 向](https://appshunter.io/developer/1316412704) | [Sadi Kekec](https://appshunter.io/developer/1680610235) |

## What reviewers say

### Algorithm Master

[App page](https://appshunter.io/ios/app/algorithm-master-visual/id6743109308)

**Features:** macOS Compatibility

**In-app purchases:** none


### Countdown Timing

[App page](https://appshunter.io/ios/app/countdown-timing/id6744873861)

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

**In-app purchases:** none


## Frequently asked questions

### Is Algorithm Master free?

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

### Is Countdown Timing free?

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

### Do Algorithm Master or Countdown Timing have ads?

Countdown Timing shows ads; Algorithm Master does not.

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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.*