# 1RM Calculator vs Sprint

The clearest difference is review sentiment: 1RM Calculator at 100% against Sprint's 0%. 1RM Calculator also leads on rating (4.8 vs 2.0) and ratings volume (126 vs 2). Sprint's advantage is in-app purchases (none vs 3) and update cadence (every 2 days vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

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

1RM Calculator holds the better App Store score, 4.8 against 2.0. That said, the two scores are not equally well evidenced: 1RM Calculator has 126 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of 1RM Calculator's written reviews are positive against 0% of Sprint's.

1RM Calculator ships an update every 4 months, Sprint every 2 days. The most recent releases landed on October 25, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | 1RM Calculator | Sprint |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (126 ratings)](https://appshunter.io/ios/app/1rm-calculator/id1566775126/reviews)** | [2.0 (2 ratings)](https://appshunter.io/ios/app/sprint/id1579188934/reviews) |
| Number of ratings | **126** | 2 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 28 MB | 11 MB |
| Requires iOS | 15.0 | **14.5** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yuri Koshiishi](https://appshunter.io/developer/1566775128) | [Marco Vastolo](https://appshunter.io/developer/1579189116) |

## 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 |


### Sprint

[App page](https://appshunter.io/ios/app/sprint/id1579188934)

This application assists athletes in tracking their speed over specific distances. It allows users to select a player, set a distance, and record laps with a button press. Live statistics and graphs provide insights into performance, enabling comparisons with other sessions.

**Highlights:** Player selection, Distance setting, Lap tracking, Live speed statistics, Performance graphs, Session comparison

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 1RM Calculator free?

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

### Is Sprint free?

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

### Which has better reviews, 1RM Calculator or Sprint?

1RM Calculator is rated higher. 1RM Calculator averages 4.8 out of 5 from 126 ratings, while Sprint averages 2.0 from 2 ratings.

### Do 1RM Calculator or Sprint have ads?

Neither 1RM Calculator nor Sprint shows ads.

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

1RM Calculator ships an update every 4 months, and Sprint every 2 days. Most recently, 1RM Calculator was updated on October 25, 2026 and Sprint on October 22, 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.*