# IPF GL vs 1RM Calculator

The clearest difference is in-app purchases: IPF GL at none against 1RM Calculator's 3. IPF GL also leads on update cadence (every 3 weeks vs every 4 months). 1RM Calculator's advantage is ratings volume (116 vs 2) and iOS requirement (15.0 vs 18.6). On price, rating, 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. IPF GL asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for IPF GL against 4.9 for 1RM Calculator. That said, the two scores are not equally well evidenced: 1RM Calculator has 116 ratings behind it against 2, so its average is the more settled of the two.

IPF GL ships an update every 3 weeks, 1RM Calculator every 4 months. The most recent releases landed on October 1, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | IPF GL | 1RM Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ipf-gl/id1449762029/reviews)** | [4.9 (116 ratings)](https://appshunter.io/ios/app/1rm-calculator/id1566775126/reviews) |
| Number of ratings | 2 | **116** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 13 MB | 28 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [B-Labs Group Beteti Tarsasag](https://appshunter.io/developer/1477748029) | [Yuri Koshiishi](https://appshunter.io/developer/1566775128) |

## What reviewers say

### IPF GL

[App page](https://appshunter.io/ios/app/ipf-gl/id1449762029)

Compare powerlifters across bodyweight categories using single or three-lift meet results. Supports both male and female athletes, with options for raw or equipped lifting.

**Highlights:** Compare lifters by bodyweight, Single and three-lift results, Male and female athlete support, Raw and equipped lifting options, Meet result analysis

**Features:** Vision Pro support

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is IPF GL free?

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

### Is 1RM Calculator free?

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

### Which has better reviews, IPF GL or 1RM Calculator?

IPF GL is rated higher. IPF GL averages 5.0 out of 5 from 2 ratings, while 1RM Calculator averages 4.9 from 116 ratings.

### Do IPF GL or 1RM Calculator have ads?

Neither IPF GL nor 1RM Calculator shows ads.

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

IPF GL ships an update every 3 weeks, and 1RM Calculator every 4 months. Most recently, IPF GL was updated on October 1, 2026 and 1RM Calculator on October 16, 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.*