blue (game) vs R0ll
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
blue (game)
Engage your mind with a unique puzzle experience. Solve 50 challenging levels, each with its own distinct logic, to turn the entire screen blue. Hints are available if you get stuck.
- 50 unique puzzle levels
- Each level has its own logic
- Hint system available
- Ad-free hints with in-app purchase
- Award-winning game design
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The sequel to my 'yellow', 'red' and 'black' games is here! Can you make the screen blue in 50 levels? Each level has its own logic. Do you need help? Use the light bulb button that will appear after a while in the top right of each level to get a hint. There are multiple hints for each level. With the in-app purchase you will not get ads before the hints. "Mobile Game of the Year" winner at the Belgian Game Awards 2020. Enjoy! @BartBonte
R0ll
Guide a rolling ball to its goal by drawing paths with your finger. Adapt your drawings as the ball moves to ensure it reaches the target. A simple yet engaging puzzle experience.
- Draw paths for the ball
- Direct ball to goal
- Adapt paths dynamically
- Engaging puzzle gameplay
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Drag your finger to make a path for the ball to follow. Draw new paths as the ball rolls to direct it to the goal.
Screenshots
Verdict
The clearest difference is price: blue (game) at Free against R0ll's $0.99. blue (game) also leads on ratings volume (443 vs 1) and device support (3 vs 1). R0ll's advantage is in-app purchases (none vs 1) and ads (none vs shown). On rating, review sentiment and update cadence 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
blue (game) is free to download; R0ll costs $0.99 up front. blue (game) sells 1 one-off in-app purchase. R0ll asks for nothing beyond the download.
R0ll holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: blue (game) has 443 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 93% of blue (game)'s written reviews are positive against 100% of R0ll's.
blue (game) ships an update every 4 months, R0ll every 6 months. The most recent releases landed on October 29, 2026 and June 1, 2026 respectively.
| Parameter | blue (game) | R0ll |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 4.8 (443 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 92.6% of reviews | 100.0% of reviews — better |
| Number of ratings | 443 — better | 1 |
| Update frequency | Every 4 months — better | Every 6 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 22 MB | 23 MB |
| Age rating | 9+ | 4+ |
| Developer | Bart BONTE | Gregory Grant |
Customer experience
blue (game)
R0ll
Bugs and requests
blue (game)
Reported bugs
2 issues- Level 12 graphics issue on some devices
- Level 47 appears to be broken
Requested features
3 requests- Add a level reset button
- Provide more distinct color variations
- Expand the game with more color themes
R0ll
Not enough reviews yet to summarise bugs or requests.
In-app purchases
blue (game)
- premium unlock$2.49
R0ll
No in-app purchases
