# Question Sleuth Lite vs RGB Express

The clearest difference is price: Question Sleuth Lite at Free against RGB Express's $2.99. Question Sleuth Lite also leads on in-app purchases (none vs 4) and rating (5.0 vs 4.7). RGB Express's advantage is ratings volume (554 vs 1) and update cadence (every 7 months vs every 24 months). On ads and iOS requirement there is nothing between them.

Question Sleuth Lite is free to download; RGB Express costs $2.99 up front. RGB Express sells 4 one-off in-app purchases. Question Sleuth Lite asks for nothing beyond the download.

Question Sleuth Lite holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: RGB Express has 554 ratings behind it against 1, so its average is the more settled of the two.

Question Sleuth Lite ships an update every 24 months, RGB Express every 7 months. The most recent releases landed on October 2, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Question Sleuth Lite | RGB Express |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/question-sleuth-lite/id829573931/reviews)** | [4.7 (554 ratings)](https://appshunter.io/ios/app/rgb-express/id887362336/reviews) |
| Number of ratings | 1 | **554** |
| Positive reviews | — | 96.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 7 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 80 MB | 46 MB |
| Requires iOS | **10.0** | 11.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Zorten Software, LLC](https://appshunter.io/developer/412813738) | [Bad Crane Ltd](https://appshunter.io/developer/637469988) |

## What reviewers say

### Question Sleuth Lite

[App page](https://appshunter.io/ios/app/question-sleuth-lite/id829573931)

A fun, imaginative game where players ask questions to find a hidden star. Customize games with your own images or use provided categories. Great for family and friends of all ages.

**Highlights:** Hidden star guessing game, Process of elimination gameplay, Customizable image categories, Use device camera or web images, Playable by two or more players, Family-friendly activity

**Features:** macOS Compatibility

**In-app purchases:** none


### RGB Express

[App page](https://appshunter.io/ios/app/rgb-express/id887362336)

A captivating puzzle game where you draw routes for color-delivering trucks. Guide your drivers to ensure each house receives the correct package and watch the deliveries unfold. Offers hundreds of levels with increasing challenges and beautiful graphics.

**Highlights:** Route drawing gameplay, Color delivery mechanics, Hundreds of challenging levels, Retina graphics, Expert mode for masters, Hint system

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3 Hints | $0.99 | one-time |
| 8 Hints | $1.99 | one-time |
| 15 Hints | $2.99 | one-time |
| 50 Hints | $5.99 | one-time |

**What reviewers like**

- 👍 Fun and addictive game
- 🧠 Challenging puzzles
- 💎 Great value for money
- 🎨 Colorful and vibrant graphics
- 🎶 Enjoyable music and sound effects

**What reviewers complain about**

- 🐛 Occasional bugs and glitches
- 💰 In-app purchases for hints
- 🤔 Some puzzles feel too easy or repetitive

**Reported bugs**

- Freezing or crashes on certain levels
- Incorrect par values or impossible solutions

**Requested features**

- More levels and cities to explore
- Level editor or custom puzzle creation
- Ability to reset progress or individual levels
- Improved hint system or more free hints


## Frequently asked questions

### Is Question Sleuth Lite free?

Question Sleuth Lite is free to download, with no in-app purchases.

### Is RGB Express free?

RGB Express costs $2.99, and also offers in-app purchases.

### Which has better reviews, Question Sleuth Lite or RGB Express?

Question Sleuth Lite is rated higher. Question Sleuth Lite averages 5.0 out of 5 from 1 ratings, while RGB Express averages 4.7 from 554 ratings.

### Do Question Sleuth Lite or RGB Express have ads?

Neither Question Sleuth Lite nor RGB Express shows ads.

### Which is updated more often, Question Sleuth Lite or RGB Express?

Question Sleuth Lite ships an update every 24 months, and RGB Express every 7 months. Most recently, Question Sleuth Lite was updated on October 2, 2026 and RGB Express on October 20, 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.*