# Theme Scratch vs Probability Lab 777

The clearest difference is rating: Theme Scratch at 4.8 against Probability Lab 777's 2.3. Theme Scratch also leads on ratings volume (74 vs 3). Probability Lab 777's advantage is ads (none vs shown) and update cadence (every 2 days vs every 3 weeks). 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.

Theme Scratch holds the better App Store score, 4.8 against 2.3. That said, the two scores are not equally well evidenced: Theme Scratch has 74 ratings behind it against 3, so its average is the more settled of the two.

Theme Scratch ships an update every 3 weeks, Probability Lab 777 every 2 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Theme Scratch | Probability Lab 777 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (74 ratings)](https://appshunter.io/ios/app/theme-scratch-uncover-joy/id6758127550/reviews)** | [2.3 (3 ratings)](https://appshunter.io/ios/app/probability-lab-777/id6762087282/reviews) |
| Number of ratings | **74** | 3 |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | Ad-supported | **Free** |
| Size | 206 MB | 9 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | +17 | 17+ |
| Developer | [SiliconExpert Technologies](https://appshunter.io/developer/1817405224) | [America's Best Contacts & Eyeglasses, Inc.](https://appshunter.io/developer/1892849165) |

## What reviewers say

### Theme Scratch

[App page](https://appshunter.io/ios/app/theme-scratch-uncover-joy/id6758127550)

Engage in a vibrant world of digital scratch cards. Reveal hidden surprises with satisfying visuals and instant feedback. Enjoy quick, relaxing rounds of fun and discovery anytime.

**Highlights:** Themed scratch cards, Vibrant visuals, Simple controls, Quick rounds, Instant feedback, Relaxing gameplay

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

**In-app purchases:** none


### Probability Lab 777

[App page](https://appshunter.io/ios/app/probability-lab-777/id6762087282)

This offline casual game features three-reel symbol matching inspired by probability. Earn virtual points by matching symbols, track your progress locally, and unlock achievements. Enjoy daily rewards and a clear paytable without needing an account or network connection.

**Highlights:** Three-reel symbol-matching gameplay, Local progress and stats tracking, Daily and timed rewards, Achievement system, Offline play, No account required

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Theme Scratch free?

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

### Is Probability Lab 777 free?

Probability Lab 777 is free to download, with no in-app purchases.

### Which has better reviews, Theme Scratch or Probability Lab 777?

Theme Scratch is rated higher. Theme Scratch averages 4.8 out of 5 from 74 ratings, while Probability Lab 777 averages 2.3 from 3 ratings.

### Do Theme Scratch or Probability Lab 777 have ads?

Theme Scratch shows ads; Probability Lab 777 does not.

### Which is updated more often, Theme Scratch or Probability Lab 777?

Theme Scratch ships an update every 3 weeks, and Probability Lab 777 every 2 days. Most recently, Theme Scratch was updated on October 24, 2026 and Probability Lab 777 on October 25, 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.*