# SnapDeck AI vs Synapsi

The clearest difference is update cadence: Synapsi at every 3 days against SnapDeck AI's fortnightly. Synapsi also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. SnapDeck AI sells 2 in-app purchases, starting at $1.99 per month and Synapsi sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

SnapDeck AI ships an update fortnightly, Synapsi every 3 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | SnapDeck AI | Synapsi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Size | 37 MB | 82 MB |
| Requires iOS | 18.1 | **18.0** |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Robert Jensen](https://appshunter.io/developer/1786807724) | [Khoa Tran](https://appshunter.io/developer/1523512472) |

## What reviewers say

### SnapDeck AI

[App page](https://appshunter.io/ios/app/snapdeck-ai-flashcards/id6759596002)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SnapDeck Premium. | $1.99 | per month |
| SnapDeck Premium — Lifetime. | $5.00 | one-time |


### Synapsi

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

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Synapsi Pro Monthly | $9.99 | per month |
| Synapsi Pro Yearly | $48.00 | per year |


## Frequently asked questions

### Is SnapDeck AI free?

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

### Is Synapsi free?

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

### Do SnapDeck AI or Synapsi have ads?

Neither SnapDeck AI nor Synapsi shows ads.

### Which is updated more often, SnapDeck AI or Synapsi?

SnapDeck AI ships an update fortnightly, and Synapsi every 3 days. Most recently, SnapDeck AI was updated on October 25, 2026 and Synapsi on October 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.*