# heilys vs RLT SYSTEM MASTER

The clearest difference is update cadence: RLT SYSTEM MASTER at every 4 days against heilys's every 6 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

heilys ships an update every 6 months, RLT SYSTEM MASTER every 4 days. The most recent releases landed on October 16, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | heilys | RLT SYSTEM MASTER |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 4 days** |
| Size | 32 MB | 37 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [WeCare+ GmbH](https://appshunter.io/developer/1765239169) | [中玲 曹](https://appshunter.io/developer/1682161709) |

## What reviewers say

### heilys

[App page](https://appshunter.io/ios/app/heilys/id6670304207)

**In-app purchases:** none


### RLT SYSTEM MASTER

[App page](https://appshunter.io/ios/app/rlt-system-master/id6790787023)

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

**In-app purchases:** none


## Frequently asked questions

### Is heilys free?

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

### Is RLT SYSTEM MASTER free?

RLT SYSTEM MASTER is free to download, with no in-app purchases.

### Do heilys or RLT SYSTEM MASTER have ads?

Neither heilys nor RLT SYSTEM MASTER shows ads.

### Which is updated more often, heilys or RLT SYSTEM MASTER?

heilys ships an update every 6 months, and RLT SYSTEM MASTER every 4 days. Most recently, heilys was updated on October 16, 2026 and RLT SYSTEM MASTER on October 14, 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.*