# Skeleton falls from blocks vs Probability Lab 777

The clearest difference is update cadence: Probability Lab 777 at every 2 days against Skeleton falls from blocks's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Skeleton falls from blocks ships an update every 3 weeks, Probability Lab 777 every 2 days. The most recent releases landed on October 10, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Skeleton falls from blocks | Probability Lab 777 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Size | 1 MB | 9 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 9+ | 17+ |
| Developer | [LAYTON WEST](https://appshunter.io/developer/1860830472) | [America's Best Contacts & Eyeglasses, Inc.](https://appshunter.io/developer/1892849165) |

## What reviewers say

### Skeleton falls from blocks

[App page](https://appshunter.io/ios/app/skeleton-falls-from-blocks/id6756483838)

**Features:** macOS Compatibility

**In-app purchases:** none


### Probability Lab 777

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Skeleton falls from blocks free?

Skeleton falls from blocks 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.

### Do Skeleton falls from blocks or Probability Lab 777 have ads?

Neither Skeleton falls from blocks nor Probability Lab 777 shows ads.

### Which is updated more often, Skeleton falls from blocks or Probability Lab 777?

Skeleton falls from blocks ships an update every 3 weeks, and Probability Lab 777 every 2 days. Most recently, Skeleton falls from blocks was updated on October 10, 2026 and Probability Lab 777 on October 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*