# Gradient vs Sayelle

The clearest difference is ads: Gradient at none against Sayelle's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Gradient sells 1 one-off in-app purchase and Sayelle sells 1 in-app purchase, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Gradient | Sayelle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 10 days |
| Size | 18 MB | 86 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, Mac** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [CATHERINE M WOODHOUSE](https://appshunter.io/developer/6789020512) | [David Hrdalo](https://appshunter.io/developer/6797432195) |

## What reviewers say

### Gradient

[App page](https://appshunter.io/ios/app/gradient-study-tracker/id6789020510)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gradient Premium | $9.99 | one-time |


### Sayelle

[App page](https://appshunter.io/ios/app/sayelle-offline-ai-tutor/id6797432193)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sayelle Plus | $5.99 | per month |


## Frequently asked questions

### Is Gradient free?

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

### Is Sayelle free?

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

### Do Gradient or Sayelle have ads?

Sayelle shows ads; Gradient does not.

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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.*