# Sheep Machine vs Decaf AI

The clearest difference is in-app purchases: Sheep Machine at none against Decaf AI's 4. Sheep Machine also leads on iOS requirement (9.0 vs 13.4). Decaf AI's advantage is ads (none vs shown) and ratings volume (8 vs 2). On price, rating, review sentiment and device support there is nothing between them.

Both are free to download. Decaf AI sells 4 in-app purchases, starting at $9.99 per 7 days. Sheep Machine asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Sheep Machine against 5.0 for Decaf AI. Both are backed by a comparable volume of ratings — 2 and 8 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

## The numbers

| Metric | Sheep Machine | Decaf AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/sheep-machine/id1566923282/reviews) | [5.0 (8 ratings)](https://appshunter.io/ios/app/decaf-ai-caffeine-tracker/id6738422784/reviews) |
| Number of ratings | 2 | **8** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | — | Every 6 weeks |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 99 MB | 63 MB |
| Requires iOS | **9.0** | 13.4 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [World Tourism LLC](https://appshunter.io/developer/1511176090) | [Fearless Health LLC](https://appshunter.io/developer/1780780545) |

## What reviewers say

### Sheep Machine

[App page](https://appshunter.io/ios/app/sheep-machine/id1566923282)

This app offers a unique sleep aid experience by combining calming sleep sounds with a playful "counting sheep" animation. Explore a special "ZZ Flock" area for additional relaxation.

**Highlights:** Sleep sounds, Animated sheep counting, ZZ Flock relaxation area, Calming animations

**Features:** macOS Compatibility

**In-app purchases:** none


### Decaf AI

[App page](https://appshunter.io/ios/app/decaf-ai-caffeine-tracker/id6738422784)

This app helps you break free from caffeine dependence with a personalized, science-backed program. Track your intake, receive guidance, and improve sleep and energy levels for a healthier lifestyle.

**Highlights:** Personalized caffeine reduction plan, Log caffeine intake with photos, Progress tracking and insights, Guidance to quit caffeine, Improve sleep and reduce stress, Science-backed program

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Decaf Pro | $9.99 | per 7 days |
| Decaf Pro | $29.99 | per year |
| Decaf Pro | $49.99 | per year |
| Decaf Pro | $49.99 | per year |


## Frequently asked questions

### Is Sheep Machine free?

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

### Is Decaf AI free?

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

### Which has better reviews, Sheep Machine or Decaf AI?

Sheep Machine and Decaf AI are both rated 5.0 out of 5 on the App Store, from 2 and 8 ratings respectively.

### Do Sheep Machine or Decaf AI have ads?

Sheep Machine shows ads; Decaf AI 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.*