# Rayl vs HeightUp

The clearest difference is ads: Rayl at none against HeightUp's shown. Rayl also leads on update cadence (every 4 days vs every 9 days). HeightUp's advantage is iOS requirement (15.1 vs 17.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Rayl sells 2 in-app purchases, starting at $4.99 per month and HeightUp sells 2 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Rayl ships an update every 4 days, HeightUp every 9 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Rayl | HeightUp |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Every 9 days |
| Size | 12 MB | 47 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Leon Dorian Michl](https://appshunter.io/developer/1896730326) | [Deivid Velkov](https://appshunter.io/developer/6806044745) |

## What reviewers say

### Rayl

[App page](https://appshunter.io/ios/app/rayl-strength-workout-log/id6799451868)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rayl Pro (Monthly) | $4.99 | per month |
| Rayl Pro (Yearly) | $29.99 | per year |


### HeightUp

[App page](https://appshunter.io/ios/app/heightup-height-increase/id6806044743)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HeightUp - Weekly | $5.99 | per 7 days |
| HeightUp - Yearly | $59.99 | per year |


## Frequently asked questions

### Is Rayl free?

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

### Is HeightUp free?

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

### Do Rayl or HeightUp have ads?

HeightUp shows ads; Rayl does not.

### Which is updated more often, Rayl or HeightUp?

Rayl ships an update every 4 days, and HeightUp every 9 days. Most recently, Rayl was updated on October 25, 2026 and HeightUp on October 31, 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.*