# 1RM Percentage Calculator vs TrainLog

The clearest difference is in-app purchases: TrainLog at none against 1RM Percentage Calculator's 1. TrainLog also leads on update cadence (every 5 days vs every 30 months) and iOS requirement (13.0 vs 15.1). 1RM Percentage Calculator's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. 1RM Percentage Calculator sells 1 one-off in-app purchase. TrainLog asks for nothing beyond the download.

1RM Percentage Calculator ships an update every 30 months, TrainLog every 5 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 1RM Percentage Calculator | TrainLog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/1rm-percentage-calculator/id6451496905/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 30 months | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 33 MB | 27 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jonathan McDill](https://appshunter.io/developer/1698564299) | [Yudai Abe](https://appshunter.io/developer/1566818989) |

## What reviewers say

### 1RM Percentage Calculator

[App page](https://appshunter.io/ios/app/1rm-percentage-calculator/id6451496905)

This app helps you plan and calculate percentage-based workouts. It includes a one-rep max estimator and customizable weight settings for a personalized training experience. Easily track your sets and reps without manual calculations.

**Highlights:** Percentage-based workout sets calculator, One rep max estimate calculator, Customizable plate weights, Automatic plating algorithm, Track reps for each set, Barbell plating helper

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1RM & Sets Calculator | $2.99 | one-time |


### TrainLog

[App page](https://appshunter.io/ios/app/trainlog-workout-tracker/id6779832543)

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

**In-app purchases:** none


## Frequently asked questions

### Is 1RM Percentage Calculator free?

1RM Percentage Calculator is free to download, with in-app purchases available.

### Is TrainLog free?

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

### Do 1RM Percentage Calculator or TrainLog have ads?

TrainLog shows ads; 1RM Percentage Calculator does not.

### Which is updated more often, 1RM Percentage Calculator or TrainLog?

1RM Percentage Calculator ships an update every 30 months, and TrainLog every 5 days. Most recently, 1RM Percentage Calculator was updated on October 24, 2026 and TrainLog on October 25, 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.*