# 1RM Calculator vs Level Up

The clearest difference is review sentiment: 1RM Calculator at 100% against Level Up's 22%. 1RM Calculator also leads on rating (4.9 vs 1.4) and ratings volume (128 vs 31). Level Up's advantage is in-app purchases (none vs 3) and update cadence (every 2 months vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. 1RM Calculator sells 3 in-app purchases, starting at $1.99 per month. Level Up asks for nothing beyond the download.

1RM Calculator holds the better App Store score, 4.9 against 1.4. Both are backed by a comparable volume of ratings — 128 and 31 respectively. Written reviews point the same way: 100% of 1RM Calculator's written reviews are positive against 22% of Level Up's.

1RM Calculator ships an update every 4 months, Level Up every 2 months. The most recent releases landed on October 30, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | 1RM Calculator | Level Up |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (128 ratings)](https://appshunter.io/ios/app/1rm-calculator/id1566775126/reviews)** | [1.4 (31 ratings)](https://appshunter.io/ios/app/level-up/id1597235160/reviews) |
| Number of ratings | **128** | 31 |
| Positive reviews | **100.0% of reviews** | 22.2% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 28 MB | 97 MB |
| Requires iOS | 15.0 | **12.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Yuri Koshiishi](https://appshunter.io/developer/1566775128) | [Edgar Barba](https://appshunter.io/developer/1418360228) |

## What reviewers say

### 1RM Calculator

[App page](https://appshunter.io/ios/app/1rm-calculator/id1566775126)

Easily calculate your one-rep max (1RM) strength with this app. It supports RPE input and allows you to estimate rep maxes based on your 1RM. Track your progress by saving your 1RM history for different exercises.

**Highlights:** 1RM calculation with RPE, Rep max estimation, Save 1RM history, Customizable exercises, Dark theme

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Rep Max Pro Monthly | $1.99 | per month |
| 1 Rep Max Pro Annual | $9.99 | per year |
| 1 Rep Max Pro Lifetime | $29.99 | one-time |


### Level Up

[App page](https://appshunter.io/ios/app/level-up/id1597235160)

This platform connects fitness centers with their members, enabling personalized training, real-time progress tracking, and automated check-ins. It helps centers acquire new clients and engage existing ones through custom challenges and routine creation.

**Highlights:** Client acquisition and retention tools, Customizable goals and challenges, Real-time progress tracking with wearables, Personalized routine creation and viewing, Automated check-ins, Integration with Apple Health

**In-app purchases:** none


## Frequently asked questions

### Is 1RM Calculator free?

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

### Is Level Up free?

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

### Which has better reviews, 1RM Calculator or Level Up?

1RM Calculator is rated higher. 1RM Calculator averages 4.9 out of 5 from 128 ratings, while Level Up averages 1.4 from 31 ratings.

### Do 1RM Calculator or Level Up have ads?

Neither 1RM Calculator nor Level Up shows ads.

### Which is updated more often, 1RM Calculator or Level Up?

1RM Calculator ships an update every 4 months, and Level Up every 2 months. Most recently, 1RM Calculator was updated on October 30, 2026 and Level Up on October 21, 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.*