# Glow vs Reformer Viborg

The clearest difference is update cadence: Glow at every 2 months against Reformer Viborg's every 6 months. Glow also leads on iOS requirement (13.0 vs 16.0). 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.

Glow ships an update every 2 months, Reformer Viborg every 6 months. The most recent releases landed on November 8, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | Glow | Reformer Viborg |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Size | 23 MB | 42 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Comfort Tan](https://appshunter.io/developer/1528928563) | [YOGO.DK ApS](https://appshunter.io/developer/1473308022) |

## What reviewers say

### Glow

[App page](https://appshunter.io/ios/app/glow/id6503871289)

**Features:** macOS Compatibility

**In-app purchases:** none


### Reformer Viborg

[App page](https://appshunter.io/ios/app/reformer-viborg/id6755318052)

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

**In-app purchases:** none


## Frequently asked questions

### Is Glow free?

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

### Is Reformer Viborg free?

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

### Do Glow or Reformer Viborg have ads?

Neither Glow nor Reformer Viborg shows ads.

### Which is updated more often, Glow or Reformer Viborg?

Glow ships an update every 2 months, and Reformer Viborg every 6 months. Most recently, Glow was updated on November 8, 2026 and Reformer Viborg on November 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.*