Retro Flash vs Hangs Free
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!
Hangs Free
This app helps climbers track finger strength during no-hang training. It provides real-time weight data, measures maximum force as a percentage of body weight, and charts performance over time. Easily copy set summaries to your training log.
- Real-time weight tracking
- Max force measurement
- Force change chart
- Copy set summary to clipboard
- Supports WH-C06 and Tindeq devices
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Hangs Free is a simple app for climbing finger strength no-hang training. Supported features: - Real-Time Weight Tracking: View accurate weight (force) data during your training - Max Force Measurement: Track your peak strength and calculate it as a percentage of your body weight - Force Change Chart: Analyze your performance over time with a graph displaying force variations during your session - Copy to Clipboard: Copy your set summary to you training log or notes in one click - Devices support: WH-C06 and Tindeq
Screenshots
Verdict
The clearest difference is rating: Retro Flash at 4.7 against Hangs Free's 3.0. Retro Flash also leads on ratings volume (226 vs 1). Hangs Free's advantage is in-app purchases (none vs 8). On price, update cadence, 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
Both are free to download. Retro Flash sells 8 one-off in-app purchases. Hangs Free asks for nothing beyond the download.
Retro Flash holds the better App Store score, 4.7 against 3.0. That said, the two scores are not equally well evidenced: Retro Flash has 226 ratings behind it against 1, so its average is the more settled of the two.
Retro Flash ships an update every 3 weeks, Hangs Free every 2 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.
| Parameter | Retro Flash | Hangs Free |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (226 ratings) — better | 3.0 (1 ratings) |
| Positive reviews | 82.9% of reviews | — |
| Number of ratings | 226 — better | 1 |
| Update frequency | Every 3 weeks | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 162 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Arcade Bouldering UG (haftungsbeschrnkt) | Roman Batsenko |
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
Hangs Free
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
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- 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
Hangs Free
No in-app purchases
