Differences+ vs Medusa's Marbles Unlocked
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Differences+
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.
- Identify differences between two photos
- Tap to select differences
- Timer with optional mode
- Time deduction for incorrect touches
- Full version with improvements
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In each level, player is shown two photos that are identical except for some differences. The objective is to find and identify the differences between the pictures before the timer runs out. Players select potential differences by touching the screen on either picture in the location of difference. Correct choices highlight the difference and incorrect touches deduct time, with the game ending if time expires (timer is optional). Full version is available - gameplay improvements and added convenience.
Medusa's Marbles Unlocked
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.
- No Ads or Tracking
- All Levels Unlocked
- Unlimited Free Boosters
- Match 3 Gameplay
- New Levels Included
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You love "Medusa's Marbles" but you asked us for more. Introducing, "Medusa's Marbles Unlocked", featuring: - No Ads or Tracking - All Unlocked Levels - Free, Unlimited Boosters - 5 New Levels (Each Unlocked) Medusa's Marbles are coming & it's your job to get rid of them with the bow of the gods located in the middle of the board. Here's how to play: - Aim the bow in the direction you want to shoot - The goal is to match 3 colors together to wipe them from the board. When you see two or more balls with the same color, shoot another ball with the same color to make 3 or more in a row - Match more than 3 for bonuses. Use boosters if Medusa's Marbles are getting closer to the hole. With Unlocked, you get free boosters! Shoot accurately, quickly, and with courage! Good luck!
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Differences+ | Medusa's Marbles Unlocked |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 4.2 (5 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 87.3% of reviews | — |
| Number of ratings | 5 — better | 1 |
| Update frequency | Every 6 months — better | Every 28 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Best chart rank | — | #200 — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 109 MB | 224 MB |
| Age rating | 4+ | 4+ |
| Developer | Andrey Andreev | Engoa LLC |
Customer experience
Differences+
Medusa's Marbles Unlocked
Bugs and requests
Differences+
Reported bugs
3 issues- Crashes or freezes on some devices
- Restore purchases not working
- Ads covering top of puzzle
Requested features
3 requests- More levels and new puzzles
- Ability to compete against others
- Difficulty settings
Medusa's Marbles Unlocked
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Differences+
- Full Version$1.99
Medusa's Marbles Unlocked
No in-app purchases
Questions
Is Differences+ free?
Is Medusa's Marbles Unlocked free?
Which has better reviews, Differences+ or Medusa's Marbles Unlocked?
Do Differences+ or Medusa's Marbles Unlocked have ads?
Which is updated more often, Differences+ or Medusa's Marbles Unlocked?
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