Retro Flash vs CU Play
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Retro Flash
This app helps climbers maximize their spray wall training with unique tools for setting various problems and supports multiple grading systems. It fosters a community for climbers to share and improve their training.
- Spray wall problem setting
- Supports symmetrical, partly symmetrical, adjustable, and private walls
- Circuit and competition boulder creation
- Fontainebleau, Dankyu, and Hueco grading systems
- Customizable grading systems
- Wall upgrades for new possibilities
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Welcome to Retro Flash and the Arcade Bouldering Community! Retro Flash is the Ultimate Spray Wall App, designed with every member of the climbing community in mind! We have created a lot of unique tools to ensure that everyone has everything they need to get the most out of their spray walls! For example, we support symmetrical, partly symmetrical, adjustable and private walls! Set all kinds of problems on your wall, like circuits or even competition boulders! With our wall upgrades, we upgrade your walls to the next level, opening up a lot of new possibilities! Now, you can even upgrade your walls by yourself!! Retro Flash supports the Fontainebleau, Dankyu and Hueco grading systems. You can also define your own grading systems or even deactivate grading! Download Retro Flash now and become a part of our growing community!
CU Play
This official app provides access to Clemson University's Campus Recreation Sport Programs. Users can register for intramural sports, join club sports, and receive updates on program offerings, deadlines, and cancellations.
- Intramural sports registration
- Club sports roster management
- Program updates and deadlines
- Cancellation notifications
- Information on sport offerings
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“The official mobile app for Campus Recreation Sport Programs at Clemson University. Register for Intramural Sports, join Club Sports rosters, and stay updated on offerings, deadlines, cancellations, and more.”
Screenshots
Verdict
The clearest difference is in-app purchases: CU Play at none against Retro Flash's 8. Retro Flash's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 26 months). On price, rating, device support and iOS requirement 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
Both are free to download. Retro Flash sells 8 one-off in-app purchases. CU Play asks for nothing beyond the download.
CU Play holds the better App Store score, 4.8 against 4.7. That said, the two scores are not equally well evidenced: Retro Flash has 226 ratings behind it against 33, so its average is the more settled of the two.
Retro Flash ships an update every 3 weeks, CU Play every 26 months. Both last shipped on November 3, 2026.
| Parameter | Retro Flash | CU Play |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (226 ratings) | 4.8 (33 ratings) — better |
| Positive reviews | 82.9% of reviews | — |
| Number of ratings | 226 — better | 33 |
| Update frequency | Every 3 weeks — better | Every 26 months |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 16.6 |
| Further details — not scored | ||
| Size | 162 MB | 196 MB |
| Age rating | 4+ | 17+ |
| Developer | Arcade Bouldering UG (haftungsbeschrnkt) | Clemson University |
Customer experience
Retro Flash
CU Play
Bugs and requests
Retro Flash
Reported bugs
8 issues- Cannot see sends anymore
- All boulders set to unclimbed for all users
- Statistics are gone
- Won't let me reset wall
- Won't let me delete walls
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- Won't let me add a new wall on a new account
- Camera button to add a photo doesn't do anything
- Can't change the angle of the wall
Requested features
4 requests- Add a tick list of all climbs done
- Show number and distribution of grades
- Copy route feature for minor adjustments
- Ability to edit names or grades of existing boulders
CU Play
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Retro Flash
- Unlock Rules for Circles$4.99
- Home Wall Year Pass$4.99
- 1 Month Upgrade Pass$8.99
Show 5 moreShow fewer
- Additional Wall$9.99
- Gym Year Pass Tier 1$14.99
- Add Gym$14.99
- Gym Year Pass Tier 2$29.99
- 6 Months Upgrade Pass$44.99
CU Play
No in-app purchases
Questions
Is Retro Flash free?
Is CU Play free?
Which has better reviews, Retro Flash or CU Play?
Do Retro Flash or CU Play have ads?
Which is updated more often, Retro Flash or CU Play?
Other comparisons
