The One Rep Max vs HeartTrends
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
The One Rep Max
Estimate your maximum weightlifting capacity with this tool. Track your progress and safely push your limits. Ideal for strength training enthusiasts.
- One Rep Max estimation
- Progress charting
- Safe training guidance
- Weightlifting focus
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The One Rep Max calculator uses a little previous knowledge to give you an approximation of what amount of weight you could lift one time. Use this value to push yourself while remaining safe, and chart your progress along the way.
HeartTrends
This app provides an alternative to stress tests for early detection of cardiac ischemia in healthy individuals. It analyzes 20 minutes of heart beat data to indicate general health status. Scores above 2.0 suggest good health, while lower scores may warrant retesting in a relaxed state.
- Cardiac ischemia detection
- Heartbeat data analysis
- Health score indicator
- Relaxed testing recommendations
- Physician responsibility disclaimer
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HeartTrends: an effortless stress test alternative for early detection of cardiac ischemia in healthy individuals. It analyzes 20 minutes of heart beat data. Scores above 2.0 are indicative of good health. If below, consider repeating the test under relaxed, sedentary conditions. HeartTrends does not offer a diagnostic opinion to the individual. That is the responsibility of the physician.
Screenshots
Verdict
The clearest difference is update cadence: The One Rep Max at every 10 days against HeartTrends's every 8 months. The One Rep Max also leads on iOS requirement (9.0 vs 13.0). On price, rating, ratings volume 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. 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 The One Rep Max against 5.0 for HeartTrends. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
The One Rep Max ships an update every 10 days, HeartTrends every 8 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | The One Rep Max | HeartTrends |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Every 10 days — better | Every 8 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 9.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 29 MB | 93 MB |
| Age rating | 4+ | 12+ |
| Developer | Jonah Witcig | Lev-EL Diagnostics of Heart Diseases Ltd. |
In-app purchases
The One Rep Max
No in-app purchases
HeartTrends
No in-app purchases
