# Chess Clock vs Sentience As A Service

The clearest difference is in-app purchases: Chess Clock at none against Sentience As A Service's 10. Sentience As A Service's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Sentience As A Service sells 10 one-off in-app purchases. Chess Clock asks for nothing beyond the download.

## The numbers

| Metric | Chess Clock | Sentience As A Service |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Size | 12 MB | 57 MB |
| Requires iOS | 17.6 | **16.4** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Baris Aygen](https://appshunter.io/developer/1838291634) | [Petar Ambadzhidis](https://appshunter.io/developer/6775222590) |

## What reviewers say

### Chess Clock

[App page](https://appshunter.io/ios/app/chess-clock-easy-game-timer/id6758167582)

**In-app purchases:** none


### Sentience As A Service

[App page](https://appshunter.io/ios/app/sentience-as-a-service/id6787403186)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Noir Detective AI | $1.99 | one-time |
| Pirate AI | $1.99 | one-time |
| Startup Bro AI | $1.99 | one-time |
| Passive-Aggressive HR AI | $1.99 | one-time |
| Conspiracy Theorist AI | $1.99 | one-time |
| Continuity Package | $2.99 | one-time |
| Enterprise License | $4.99 | one-time |
| Series B | $7.99 | one-time |
| IPO | $19.99 | one-time |
| Acquire the Server Farm | $49.99 | one-time |


## Frequently asked questions

### Is Chess Clock free?

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

### Is Sentience As A Service free?

Sentience As A Service is free to download, with in-app purchases available.

### Do Chess Clock or Sentience As A Service have ads?

Chess Clock shows ads; Sentience As A Service 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.*