# SpinFinity vs Probability Lab 777

The clearest difference is in-app purchases: Probability Lab 777 at none against SpinFinity's 1. Probability Lab 777 also leads on update cadence (every 2 days vs every 100 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. SpinFinity sells 1 one-off in-app purchase. Probability Lab 777 asks for nothing beyond the download.

SpinFinity ships an update every 100 months, Probability Lab 777 every 2 days. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | SpinFinity | Probability Lab 777 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (15 ratings)](https://appshunter.io/ios/app/spinfinity/id1182985084/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | — | No |
| Update frequency | Every 100 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 106 MB | 9 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Joshua Ruthnick](https://appshunter.io/developer/783245401) | [America's Best Contacts & Eyeglasses, Inc.](https://appshunter.io/developer/1892849165) |

## What reviewers say

### SpinFinity

[App page](https://appshunter.io/ios/app/spinfinity/id1182985084)

Experience a unique space shooter inspired by classic arcade games. Blast enemies, collect power-ups, and climb the leaderboards with addictive, fast-paced gameplay and vibrant art and music.

**Highlights:** Fast-paced space shoot-em-up gameplay, Numerous power-ups, bombs, and enemies, Easy-to-learn, hard-to-master touch controls, Multiple leaderboards, Original art and music, Free to play

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads & Full Bombs for Life | $1.99 | one-time |


### 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 SpinFinity free?

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

### Is Probability Lab 777 free?

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

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

SpinFinity ships an update every 100 months, and Probability Lab 777 every 2 days. Most recently, SpinFinity was updated on October 4, 2026 and Probability Lab 777 on October 7, 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.*