# Synapsi vs Stormiz

The clearest difference is in-app purchases: Synapsi at none against Stormiz's 5. Stormiz's advantage is iOS requirement (15.1 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Stormiz sells 5 in-app purchases, starting at $8.99 per month. Synapsi asks for nothing beyond the download.

## The numbers

| Metric | Synapsi | Stormiz |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 days | — |
| Size | 81 MB | 34 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Khoa Tran](https://appshunter.io/developer/1523512472) | [Studizy](https://appshunter.io/developer/1761184813) |

## What reviewers say

### Synapsi

[App page](https://appshunter.io/ios/app/synapsi-ai-study-notes/id6780159251)

**Features:** Vision Pro support

**In-app purchases:** none


### Stormiz

[App page](https://appshunter.io/ios/app/stormiz/id6804208698)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stormiz Max — Mensuel | $8.99 | per month |
| Stormiz Max — Annuel | $29.99 | per year |
| 150 crédits | $3.99 | one-time |
| 300 crédits | $8.99 | one-time |
| 600 crédits | $12.99 | one-time |


## Frequently asked questions

### Is Synapsi free?

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

### Is Stormiz free?

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

### Do Synapsi or Stormiz have ads?

Neither Synapsi nor Stormiz 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.*