Frez vs PulseMetrix
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
PulseMetrix
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PulseMetrix helps you understand your cardiovascular activity using your recorded workout data. The app analyzes your workouts from Apple Health and shows how much time you spend in each heart rate zone, helping you better understand the intensity of your exercise. Heart rate zones are calculated using your age and sex, so you can see which parts of your workouts fall into moderate or vigorous intensity. Compare to AHA Activity Guidelines PulseMetrix lets you compare your weekly activity totals with the physical activity recommendations from the American Heart Association: • 150–300 minutes of moderate-intensity aerobic activity per week • 75–150 minutes of vigorous-intensity aerobic activity • or a combination of both By viewing how your workouts contribute to these intensity levels, you can better understand your overall activity patterns. Privacy First All data stays on your device. PulseMetrix reads workout data from Apple Health using HealthKit and does not store or transmit your health data externally. Stay aware of your activity levels and see how your workouts add up over the week. PulseMetrix is intended for informational and fitness tracking purposes only and is not a medical device.
Screenshots
Verdict
The clearest difference is in-app purchases: PulseMetrix at none against Frez's 16. Frez's advantage is device support (4 vs 2) and iOS requirement (15.0 vs 17.6). On price and ads 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. PulseMetrix asks for nothing beyond the download.
| Parameter | Frez | PulseMetrix |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (27 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 27 — better | — |
| Update frequency | Every 4 days | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 120 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Donghyun Kim | Max Friedberg |
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
PulseMetrix
No in-app purchases







