# SGZ vs Graded Reader

The clearest difference is in-app purchases: SGZ at none against Graded Reader's 2. Graded Reader's advantage is iOS requirement (13.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Graded Reader sells 2 in-app purchases, starting at $4.99 per month. SGZ asks for nothing beyond the download.

SGZ ships an update every 6 months, Graded Reader every 8 months. The most recent releases landed on October 27, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | SGZ | Graded Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/graded-reader-gradia/id6751861961/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 8 months |
| Monetization | — | Free with in-app purchases |
| Size | 53 MB | 90 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DataRays SARL](https://appshunter.io/developer/1175740339) | [Betapilot](https://appshunter.io/developer/1753472049) |

## What reviewers say

### SGZ

[App page](https://appshunter.io/ios/app/sgz/id1505519626)

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

**In-app purchases:** none


### Graded Reader

[App page](https://appshunter.io/ios/app/graded-reader-gradia/id6751861961)

Master a new language through AI-generated stories tailored to your proficiency level. Enhance comprehension with integrated audio and instant translations. Supports numerous languages for immersive learning.

**Highlights:** AI Story Generator, Audio Reader & Listening Practice, CEFR-Based Leveling, Instant Word & Sentence Translation, Multi-language Support

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Reader | $4.99 | per month |
| Listener | $12.99 | per month |


## Frequently asked questions

### Is SGZ free?

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

### Is Graded Reader free?

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

### Do SGZ or Graded Reader have ads?

Neither SGZ nor Graded Reader shows ads.

### Which is updated more often, SGZ or Graded Reader?

SGZ ships an update every 6 months, and Graded Reader every 8 months. Most recently, SGZ was updated on October 27, 2026 and Graded Reader on October 13, 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.*