# Graytna vs ISGC

Graytna and ISGC are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | Graytna | ISGC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (11 ratings)](https://appshunter.io/ios/app/graytna/id6730118219/reviews)** | — |
| Number of ratings | **11** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 days | — |
| Monetization | Free | — |
| Size | 116 MB | 54 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mohamed Yehdhih Cheikh El Moctar](https://appshunter.io/developer/1686886480) | [Mohamed Ahmed Ahmed Mahmou](https://appshunter.io/developer/1840427589) |

## What reviewers say

### Graytna

[App page](https://appshunter.io/ios/app/graytna/id6730118219)

This app provides a vast library of lessons and educational videos categorized by subject and academic level. It allows users to download content for offline viewing, making it ideal for exam revision, skill development, or catching up on missed material.

**Highlights:** Extensive library of lessons and videos, Content categorized by subject and level, Offline video viewing, Step-by-step learning guidance, Simple and user-friendly design

**Features:** macOS Compatibility

**In-app purchases:** none


### ISGC

[App page](https://appshunter.io/ios/app/isgc/id6810459573)

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

**In-app purchases:** none


## Frequently asked questions

### Is Graytna free?

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

### Is ISGC free?

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

### Do Graytna or ISGC have ads?

Neither Graytna nor ISGC shows ads.

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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.*