Retro Flash vs BOULDERBALL APP
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!
BOULDERBALL APP
This app offers a digital companion for training on a compact climbing wall. Discover new challenges, interactive route maps, and engaging games to improve focus and finger strength. It supports multiplayer and friendly challenges for climbers of all levels.
- Boulder routes in all difficulty levels
- Interactive route maps and courses
- Playful focus and finger strength training
- Multiplayer and friend challenges
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Die Boulderball App ist dein digitaler Begleiter für das Training mit der kleinsten Kletterwand der Welt. Egal ob zu Hause, unterwegs oder in der Halle – hier findest du immer neue Challenges. Features: - Viele Boulder-Routen in allen Schwierigkeitsgraden - Interaktive Routenkarten & Parcours - Fokus- & Fingerkrafttraining spielerisch - Multiplayer & Freundes-Challenges Perfekt für Kletter:innen, Boulderfans, Kids ab 9 Jahren und alle, die ihre Fingerfertigkeit verbessern wollen.
Screenshots
Verdict
The clearest difference is review sentiment: Retro Flash at 83% against BOULDERBALL APP's 0%. Retro Flash also leads on rating (4.7 vs 1.0) and ratings volume (226 vs 2). BOULDERBALL APP's advantage is iOS requirement (12.0 vs 15.6). On price, ads, in-app purchases and monetization model 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 and BOULDERBALL APP sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Retro Flash holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: Retro Flash has 226 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 83% of Retro Flash's written reviews are positive against 0% of BOULDERBALL APP's.
Retro Flash ships an update every 3 weeks, BOULDERBALL APP every 4 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | Retro Flash | BOULDERBALL APP |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (226 ratings) — better | 1.0 (2 ratings) |
| Positive reviews | 82.9% of reviews — better | 0.0% of reviews |
| Number of ratings | 226 — better | 2 |
| Update frequency | Every 3 weeks — better | Every 4 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 162 MB | 96 MB |
| Age rating | 4+ | 4+ |
| Developer | Arcade Bouldering UG (haftungsbeschrnkt) | CLIMBALL OHG DES KOFLER DIETER JOACHIM |
Customer experience
Retro Flash
BOULDERBALL APP
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
Show 3 moreShow fewer
- 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
BOULDERBALL APP
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
BOULDERBALL APP
- Impressive Mountains$13.90
- Amazing Mountains$13.90
- BundleAmazing&Impressive$26.90
Questions
Is Retro Flash free?
Is BOULDERBALL APP free?
Which has better reviews, Retro Flash or BOULDERBALL APP?
Do Retro Flash or BOULDERBALL APP have ads?
Which is updated more often, Retro Flash or BOULDERBALL APP?
Other comparisons
