# The Einstein`s Riddle vs ZEBRA

The clearest difference is in-app purchases: The Einstein`s Riddle at none against ZEBRA's 1. The Einstein`s Riddle also leads on iOS requirement (13.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. ZEBRA sells 1 one-off in-app purchase. The Einstein`s Riddle asks for nothing beyond the download.

The Einstein`s Riddle ships an update every 3 weeks, ZEBRA every 2 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | The Einstein`s Riddle | ZEBRA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (28 ratings)](https://appshunter.io/ios/app/the-einsteins-riddle/id1494038665/reviews)** | — |
| Number of ratings | **28** | — |
| Positive reviews | 41.2% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 47 MB | 2 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Rodrigo Daboit](https://appshunter.io/developer/1317514980) | [torankirite](https://appshunter.io/developer/1883564850) |

## What reviewers say

### The Einstein`s Riddle

[App page](https://appshunter.io/ios/app/the-einsteins-riddle/id1494038665)

Engage your mind with challenging logic puzzles, including a modern take on the classic 15 Puzzle and the timeless Peg Solitaire. Test your reasoning skills with evolving rules and progressive difficulty across various game modes, designed to keep your brain sharp and active.

**Highlights:** Logic puzzle experience, Slide Puzzle (15 Puzzle), Peg Solitaire, Multiple game modes (Classic, Timer, Challenge), Progressive campaign mode, Modern visuals and animations, Brain training exercises

**Features:** macOS Compatibility

**In-app purchases:** none


### ZEBRA

[App page](https://appshunter.io/ios/app/zebra-einsteins-riddle/id6799594286)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | one-time |


## Frequently asked questions

### Is The Einstein`s Riddle free?

The Einstein`s Riddle is free to download, with no in-app purchases.

### Is ZEBRA free?

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

### Do The Einstein`s Riddle or ZEBRA have ads?

Neither The Einstein`s Riddle nor ZEBRA shows ads.

### Which is updated more often, The Einstein`s Riddle or ZEBRA?

The Einstein`s Riddle ships an update every 3 weeks, and ZEBRA every 2 weeks. Most recently, The Einstein`s Riddle was updated on October 24, 2026 and ZEBRA 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.*