# Sherlock ULTRA vs RobozzleReboot

The clearest difference is price: RobozzleReboot at Free against Sherlock ULTRA's $3.99. RobozzleReboot also leads on update cadence (every 4 weeks vs every 12 months) and rating (5.0 vs 4.6). Sherlock ULTRA's advantage is ratings volume (31 vs 1) and iOS requirement (8.0 vs 13.0). On ads, in-app purchases, monetization model and device support there is nothing between them.

RobozzleReboot is free to download; Sherlock ULTRA costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

RobozzleReboot holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Sherlock ULTRA has 31 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 82% of Sherlock ULTRA's written reviews are positive against 100% of RobozzleReboot's.

Sherlock ULTRA ships an update every 12 months, RobozzleReboot every 4 weeks. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Sherlock ULTRA | RobozzleReboot |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [4.6 (31 ratings)](https://appshunter.io/ios/app/sherlock-ultra/id616119868/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/robozzlereboot/id6792399726/reviews)** |
| Number of ratings | **31** | 1 |
| Positive reviews | 82.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 4 weeks** |
| Monetization | Free | Free |
| Size | 7 MB | 21 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Everett Kaser Software](https://appshunter.io/developer/383644089) | [Nicolas Widynski](https://appshunter.io/developer/687198503) |

## What reviewers say

### Sherlock ULTRA

[App page](https://appshunter.io/ios/app/sherlock-ultra/id616119868)

Engage your deductive reasoning with a digital logic puzzle game. Solve intricate 4x4, 5x5, or 6x6 grids by deciphering graphical clues to determine the exact placement of images. With thousands of unique puzzles, it offers endless brain-training challenges.

**Highlights:** Logic grid puzzles, Graphical clue system, Multiple grid sizes (4x4, 5x5, 6x6), Thousands of unique puzzles, Deductive reasoning challenges

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

**In-app purchases:** none

**What reviewers like**

- 🧠 Excellent logic and brain training
- ⏳ Long-time fan favorite
- ✨ Addictive and fun gameplay
- 👴 Nostalgic appeal
- 👍 Simple yet challenging

**What reviewers complain about**

- 🐛 Frequent crashes
- 📉 Game freezes
- 🖱️ Touch interface issues
- 💸 In-app purchases required
- 🖼️ Archaic graphics

**Reported bugs**

- App crashes after ~100 puzzles, requires reinstall
- App crashes when loading certain puzzle sizes (4x4, 5x5)
- App crashes when moving to another puzzle
- Game crashes around puzzle 676
- App won't load or closes immediately

**Requested features**

- List of characters (Sherlock, Watson, etc.)
- Improved graphics (optional)
- More puzzle games from developer
- Moriarty game on iOS
- More varied tile sets and clue variety


### RobozzleReboot

[App page](https://appshunter.io/ios/app/robozzlereboot/id6792399726)

Guide a robot through grid-based puzzles by dragging and dropping programming instructions. Collect all stars and reach the goal. Features a campaign, community-created levels, and a puzzle editor.

**Highlights:** Drag-and-drop programming interface, Campaign mode with curated puzzles, Community puzzle catalog, Built-in puzzle editor, Global leaderboard integration, Step-by-step program execution

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

**In-app purchases:** none


## Frequently asked questions

### Is Sherlock ULTRA free?

Sherlock ULTRA costs $3.99, with no in-app purchases.

### Is RobozzleReboot free?

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

### Which has better reviews, Sherlock ULTRA or RobozzleReboot?

RobozzleReboot is rated higher. Sherlock ULTRA averages 4.6 out of 5 from 31 ratings, while RobozzleReboot averages 5.0 from 1 ratings.

### Do Sherlock ULTRA or RobozzleReboot have ads?

Neither Sherlock ULTRA nor RobozzleReboot shows ads.

### Which is updated more often, Sherlock ULTRA or RobozzleReboot?

Sherlock ULTRA ships an update every 12 months, and RobozzleReboot every 4 weeks. Most recently, Sherlock ULTRA was updated on November 2, 2026 and RobozzleReboot on October 31, 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.*