# Differences+ vs Medusa's Marbles Unlocked

The clearest difference is price: Differences+ at Free against Medusa's Marbles Unlocked's $0.99. Differences+ also leads on update cadence (every 6 months vs every 28 months) and ratings volume (5 vs 1). Medusa's Marbles Unlocked's advantage is rating (5.0 vs 4.2) and in-app purchases (none vs 1). On ads and device support there is nothing between them.

Differences+ is free to download; Medusa's Marbles Unlocked costs $0.99 up front. Differences+ sells 1 one-off in-app purchase. Medusa's Marbles Unlocked asks for nothing beyond the download.

Medusa's Marbles Unlocked holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Differences+ has 5 ratings behind it against 1, so its average is the more settled of the two.

Differences+ ships an update every 6 months, Medusa's Marbles Unlocked every 28 months. The most recent releases landed on June 8, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | Differences+ | Medusa's Marbles Unlocked |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [4.2 (5 ratings)](https://appshunter.io/ios/app/differences-plus/id416159059/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/medusas-marbles-unlocked/id1600487200/reviews)** |
| Number of ratings | **5** | 1 |
| Positive reviews | 87.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 28 months |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | — | **#200** |
| Size | 109 MB | 224 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andrey Andreev](https://appshunter.io/developer/407709659) | [Engoa LLC](https://appshunter.io/developer/1533531501) |

## What reviewers say

### Differences+

[App page](https://appshunter.io/ios/app/differences-plus/id416159059)

Spot the subtle differences between two seemingly identical images before time runs out. Tap on discrepancies to identify them, but be careful as incorrect taps deduct time. Enjoy a challenging and engaging visual puzzle experience.

**Highlights:** Identify differences between two photos, Tap to select differences, Timer with optional mode, Time deduction for incorrect touches, Full version with improvements

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $1.99 | one-time |

**What reviewers like**

- 🚀 Fun and relaxing game
- 👍 Challenging puzzles
- 💎 Beautiful and varied images
- ⏱️ Enjoyable time-killer

**What reviewers complain about**

- 🐛 Upgrade issues (doesn't unlock full version)
- 🚫 Repeated puzzles in paid version
- 💸 Concerns about developer abandoning the app

**Reported bugs**

- Crashes or freezes on some devices
- Restore purchases not working
- Ads covering top of puzzle

**Requested features**

- More levels and new puzzles
- Ability to compete against others
- Difficulty settings


### Medusa's Marbles Unlocked

[App page](https://appshunter.io/ios/app/medusas-marbles-unlocked/id1600487200)

**Currently charting:** #200 Top Paid · Board (US App Store)

This puzzle game offers an ad-free experience with all levels unlocked and unlimited boosters. Match three or more colored marbles to clear the board and progress through challenging levels. Utilize special boosters to overcome difficult stages.

**Highlights:** No Ads or Tracking, All Levels Unlocked, Unlimited Free Boosters, Match 3 Gameplay, New Levels Included

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Differences+ free?

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

### Is Medusa's Marbles Unlocked free?

Medusa's Marbles Unlocked costs $0.99, with no in-app purchases.

### Which has better reviews, Differences+ or Medusa's Marbles Unlocked?

Medusa's Marbles Unlocked is rated higher. Differences+ averages 4.2 out of 5 from 5 ratings, while Medusa's Marbles Unlocked averages 5.0 from 1 ratings.

### Do Differences+ or Medusa's Marbles Unlocked have ads?

Neither Differences+ nor Medusa's Marbles Unlocked shows ads.

### Which is updated more often, Differences+ or Medusa's Marbles Unlocked?

Differences+ ships an update every 6 months, and Medusa's Marbles Unlocked every 28 months. Most recently, Differences+ was updated on June 8, 2026 and Medusa's Marbles Unlocked on September 5, 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.*