# Retro Flash vs BOULDERBALL APP

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.

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.

## The numbers

| Metric | Retro Flash | BOULDERBALL APP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (226 ratings)](https://appshunter.io/ios/app/retro-flash-climbing/id1519582483/reviews)** | [1.0 (2 ratings)](https://appshunter.io/ios/app/boulderball-app/id6590627836/reviews) |
| Number of ratings | **226** | 2 |
| Positive reviews | **82.9% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 162 MB | 96 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Arcade Bouldering UG (haftungsbeschrnkt)](https://appshunter.io/developer/1519582485) | [CLIMBALL OHG DES KOFLER DIETER JOACHIM](https://appshunter.io/developer/1760146821) |

## What reviewers say

### Retro Flash

[App page](https://appshunter.io/ios/app/retro-flash-climbing/id1519582483)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Rules for Circles | $4.99 | one-time |
| Home Wall Year Pass | $4.99 | one-time |
| 1 Month Upgrade Pass | $8.99 | one-time |
| Additional Wall | $9.99 | one-time |
| Gym Year Pass Tier 1 | $14.99 | one-time |
| Add Gym | $14.99 | one-time |
| Gym Year Pass Tier 2 | $29.99 | one-time |
| 6 Months Upgrade Pass | $44.99 | one-time |

**What reviewers like**

- 👍 Easy to use and intuitive
- 💰 Free to use, affordable one-time fees
- 🏠 Perfect for home walls
- 👥 Great community feature
- 🚀 Fast and functional

**What reviewers complain about**

- 👎 Horrid UI
- 🐛 Massive bugs and data loss
- 🛠️ App is useless when buggy
- ❓ Unclear target audience
- 🧭 Navigation can be challenging

**Reported bugs**

- 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

**Requested features**

- 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

[App page](https://appshunter.io/ios/app/boulderball-app/id6590627836)

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.

**Highlights:** Boulder routes in all difficulty levels, Interactive route maps and courses, Playful focus and finger strength training, Multiplayer and friend challenges

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Impressive Mountains | $13.90 | one-time |
| Amazing Mountains | $13.90 | one-time |
| BundleAmazing&Impressive | $26.90 | one-time |


## Frequently asked questions

### Is Retro Flash free?

Retro Flash is free to download, with in-app purchases available.

### Is BOULDERBALL APP free?

BOULDERBALL APP is free to download, with in-app purchases available.

### Which has better reviews, Retro Flash or BOULDERBALL APP?

Retro Flash is rated higher. Retro Flash averages 4.7 out of 5 from 226 ratings, while BOULDERBALL APP averages 1.0 from 2 ratings.

### Do Retro Flash or BOULDERBALL APP have ads?

Neither Retro Flash nor BOULDERBALL APP shows ads.

### Which is updated more often, Retro Flash or BOULDERBALL APP?

Retro Flash ships an update every 3 weeks, and BOULDERBALL APP every 4 months. Most recently, Retro Flash was updated on November 3, 2026 and BOULDERBALL APP on October 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*