Frez vs dtb2
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Frez
This app offers isometric training routines with real-time force feedback. Track your performance, build custom workouts, and measure your strength gains. It works offline and connects to Bluetooth force measurement devices.
- Real-time force tracking
- Peak and endurance tests
- Customizable workout routines
- Offline mode
- Bluetooth device connectivity
- Performance data visualization
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Frez (formerly ClimbHarder): Train Without Moving. Improve With Data. Frez helps you train smarter with isometric workouts. Whether you’re a climber, athlete, Frez gives you real-time feedback and structured routines based on your performance. Real-time Force Tracking • Visualize your force output live through Bluetooth-connected crane scales. Know exactly how hard you’re pulling — and how long you can hold it. Peak & Endurance Tests • Measure your Maximum Voluntary Contraction (MVC) or hold a force over time. Frez records every detail, so you can track your gains and compare sessions. Custom Routines • Build and follow your own isometric training routines — with full control over reps, sets, rest time, and target force. Offline Mode • No signal in the gym? No problem. Frez works even when you’re offline. Frez supports your strength journey — one pull at a time. = Frez service access permissions Frez uses minimal device permissions, and we'll explain why. = [Optional] Bluetooth permissions We need Bluetooth permissions to connect with force measurement devices. Subscription Terms: Payment will be charged to the credit card connected to your Apple account when you confirm the initial subscription purchase. Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current subscription period. Your account will be charged for renewal within 24 hours prior to the end of the current period, and the cost of the renewal will be identified. You may manage your subscription and turn off auto-renewal by going to your Account Settings after the purchase. Any unused portion of a free trial period, if offered, will be forfeited when you purchase a subscription, where applicable. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Read more about our terms and conditions here: Privacy Policy: https://frez.app/privacy Terms of Service: https://frez.app/terms
dtb2
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Digital Training Boards mobile App, This allows you to log on with your existing DTB log on. You can only register on one of the physical DTB boards anywhere in the world, this is fully encrypted The App allows you to select a wall and then a route, if you are close enough to the wall it will allow you to cast/display the problem onto the board via the LED's installed on the wall. The app connects to the board via an internet connection, so an internet connection is required by the APP, the walls are also GPS ring fenced, so the APP needs to access your mobile devices GPS position, this is never documented. The APP does not use Bluetooth to connect. The app allows you to track your climbing on all DTB board around the world. Simplified search system, simple log book and an ability to cast you problems to a board dependent upon your distance from it. Unique "what's on" feature allows you to find out what is actually on any board. Like, project and tick problems Videos Overview of system https://youtu.be/tJEhy16cy-M Connecting to a Board https://youtu.be/2Id7J_tsIHc Whats on feature https://youtube.com/shorts/ROUsM82kSWA
Screenshots
Verdict
The clearest difference is in-app purchases: dtb2 at none against Frez's 16. dtb2 also leads on iOS requirement (13.0 vs 15.0). Frez's advantage is update cadence (weekly vs every 4 months). On price, 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. Frez sells 15 in-app purchases, starting at $2.99 per month. dtb2 asks for nothing beyond the download.
Frez ships an update weekly, dtb2 every 4 months. The most recent releases landed on September 9, 2026 and September 10, 2026 respectively.
| Parameter | Frez | dtb2 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (26 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 26 — better | — |
| Update frequency | Weekly — better | Every 4 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 119 MB | 57 MB |
| Age rating | 4+ | 4+ |
| Developer | Donghyun Kim | gareth Scott |
In-app purchases
Frez
- ClimbHarder Premium (Monthly)1 Month trial$2.991 Month
- Training Tools (Monthly)2 variants$3.991 Month
- Training Tools (Monthly)$4.991 Month
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- ClimbHarder Premium (Monthly)$4.991 Month
- Training Tools (Yearly)$19.991 Year
- ClimbHarder Premium (Yearly)1 Month trial$23.991 Year
- Training Tools (Yearly)3 Days trial$24.991 Year
- Training Tools (Yearly)7 Days trial$29.991 Year
- Training Tools (Yearly)14 Days trial$29.991 Year
- ClimbHarder Premium (Yearly)7 Days trial$29.991 Year
- ClimbHarder Premium (Yearly)1 Year trial$29.991 Year
- ClimbHarder Training Tools$29.99
- ClimbHarder Training Tools$39.99
- ClimbHarder Training Tools$89.99
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- ClimbHarder Training Tools$119.99
dtb2
No in-app purchases








