# Crimp Log vs Flash

The clearest difference is device support: Flash at 3 against Crimp Log's 1. Flash also leads on iOS requirement (13.0 vs 17.6). Crimp Log's advantage is ratings volume (3 vs 1). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Crimp Log against 5.0 for Flash. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Crimp Log ships an update every 3 weeks, Flash every 2 weeks. The most recent releases landed on October 8, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Crimp Log | Flash |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/crimp-log-climbing-training/id6757508967/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/flashforward/id6759347148/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 15 MB | 25 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hyorok Lee](https://appshunter.io/developer/1860634376) | [Studio Foam](https://appshunter.io/developer/1878204170) |

## What reviewers say

### Crimp Log

[App page](https://appshunter.io/ios/app/crimp-log-climbing-training/id6757508967)

This app helps climbers track and analyze all aspects of their training, from bouldering and sport climbing sessions to finger training and flexibility. It offers quick logging, visual analytics, and personalized guidance to improve climbing performance.

**Highlights:** Log bouldering and sport climbing, Track finger training and hangboard, Log climbing-specific workouts, Analyze training progress with charts, Review ascent history and grades, Receive personalized training guidance

**Features:** macOS Compatibility

**In-app purchases:** none


### Flash

[App page](https://appshunter.io/ios/app/flashforward/id6759347148)

This app provides structure for climbers to plan and execute their gym training sessions. Build custom workouts from scratch or use pre-made templates, combining on-wall and off-wall exercises. Adjust your routine on the fly to match your daily performance.

**Highlights:** Build custom training sessions, Library of climbing-focused defaults, Mix on-wall and off-wall training, Broad exercise library (strength, calisthenics, flexibility), Precise set, rep, load, and rest time settings, Edit routines mid-session

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

**In-app purchases:** none


## Frequently asked questions

### Is Crimp Log free?

Crimp Log is free to download, with no in-app purchases.

### Is Flash free?

Flash is free to download, with no in-app purchases.

### Which has better reviews, Crimp Log or Flash?

Crimp Log and Flash are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

### Do Crimp Log or Flash have ads?

Neither Crimp Log nor Flash shows ads.

### Which is updated more often, Crimp Log or Flash?

Crimp Log ships an update every 3 weeks, and Flash every 2 weeks. Most recently, Crimp Log was updated on October 8, 2026 and Flash on October 14, 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.*