# Westside Gym vs E1RM Calculator

The clearest difference is in-app purchases: Westside Gym at none against E1RM Calculator's 1. Westside Gym also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). E1RM Calculator's advantage is update cadence (every 8 days vs every 9 months). On price and ads there is nothing between them.

Both are free to download. E1RM Calculator sells 1 one-off in-app purchase. Westside Gym asks for nothing beyond the download.

Westside Gym ships an update every 9 months, E1RM Calculator every 8 days. The most recent releases landed on October 19, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Westside Gym | E1RM Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 8 days** |
| Size | 68 MB | 0 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ashbourne](https://appshunter.io/developer/1130933933) | [Paul Walsh](https://appshunter.io/developer/1879357731) |

## What reviewers say

### Westside Gym

[App page](https://appshunter.io/ios/app/westside-gym/id6737253514)

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

**In-app purchases:** none


### E1RM Calculator

[App page](https://appshunter.io/ios/app/e1rm-calculator-rpe-based/id6759536865)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support Developer | $1.99 | one-time |


## Frequently asked questions

### Is Westside Gym free?

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

### Is E1RM Calculator free?

E1RM Calculator is free to download, with in-app purchases available.

### Do Westside Gym or E1RM Calculator have ads?

Neither Westside Gym nor E1RM Calculator shows ads.

### Which is updated more often, Westside Gym or E1RM Calculator?

Westside Gym ships an update every 9 months, and E1RM Calculator every 8 days. Most recently, Westside Gym was updated on October 19, 2026 and E1RM Calculator on October 12, 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.*