# GGFTraining vs Hierolyte

The clearest difference is in-app purchases: GGFTraining at none against Hierolyte's 2. GGFTraining also leads on iOS requirement (13.4 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Hierolyte sells 2 one-off in-app purchases. GGFTraining asks for nothing beyond the download.

GGFTraining ships an update fortnightly, Hierolyte monthly. The most recent releases landed on September 25, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | GGFTraining | Hierolyte |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Size | 21 MB | 62 MB |
| Requires iOS | **13.4** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nucleus Learning](https://appshunter.io/developer/1637443671) | [Lucas Young](https://appshunter.io/developer/303586609) |

## What reviewers say

### GGFTraining

[App page](https://appshunter.io/ios/app/ggftraining/id6736402115)

**In-app purchases:** none


### Hierolyte

[App page](https://appshunter.io/ios/app/hierolyte/id6757535990)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cartouche Reading Course | $4.99 | one-time |
| Reading Real Words Course | $4.99 | one-time |


## Frequently asked questions

### Is GGFTraining free?

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

### Is Hierolyte free?

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

### Do GGFTraining or Hierolyte have ads?

Neither GGFTraining nor Hierolyte shows ads.

### Which is updated more often, GGFTraining or Hierolyte?

GGFTraining ships an update fortnightly, and Hierolyte monthly. Most recently, GGFTraining was updated on September 25, 2026 and Hierolyte on September 28, 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.*