Retro Flash vs Kendamanomics
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!
Kendamanomics
Master Kendama tricks and track your progress with a comprehensive library of over 100 moves. This app connects you with the global Kendama community and ranks top players worldwide.
- Learn over 100 Kendama tricks
- Track skill progression
- Rank top global players
- Connect with Kendama community
- Discover new tricks
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Learn tricks and progress your Kendama skills with the Kendamanomics App. Kendamanomics helps you lace new Kendama tricks and ranks the top players in the world. With over 100 tricks, Kendamanomics connects you with the best Kendama tricks out there. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula
Screenshots
Verdict
The clearest difference is ads: Retro Flash at none against Kendamanomics's shown. Retro Flash also leads on ratings volume (226 vs 54). Kendamanomics's advantage is iOS requirement (13.0 vs 15.6). On price, 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
Both are free to download. Retro Flash sells 8 one-off in-app purchases and Kendamanomics sells 3 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.7 for Retro Flash against 4.6 for Kendamanomics. Both are backed by a comparable volume of ratings — 226 and 54 respectively. Written reviews are what separate them: 83% of Retro Flash's written reviews are positive against 85% of Kendamanomics's.
Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | Retro Flash | Kendamanomics |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (226 ratings) — better | 4.6 (54 ratings) |
| Positive reviews | 82.9% of reviews | 84.6% of reviews — better |
| Number of ratings | 226 — better | 54 |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | No — better | Yes |
| 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 | 13.0 — better |
| Further details — not scored | ||
| Size | 162 MB | 100 MB |
| Age rating | 4+ | 4+ |
| Developer | Arcade Bouldering UG (haftungsbeschrnkt) | Kendamanomics |
Customer experience
Retro Flash
Kendamanomics
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
Kendamanomics
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
Kendamanomics
- Kendamanomics Subscription$7.991 Month
- Kendamanomics Tom's tricks$5.99
- E.T.'s Tricks$9.99
Questions
Is Retro Flash free?
Is Kendamanomics free?
Which has better reviews, Retro Flash or Kendamanomics?
Do Retro Flash or Kendamanomics have ads?
Which is updated more often, Retro Flash or Kendamanomics?
Other comparisons
