# Synaps vs Lidimus

The clearest difference is in-app purchases: Lidimus at none against Synaps's 4. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Synaps sells 4 in-app purchases, starting at $1.99 per 7 days. Lidimus asks for nothing beyond the download.

Synaps ships an update every 5 days, Lidimus every 4 days. The most recent releases landed on October 31, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Synaps | Lidimus |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 4 days** |
| Size | 59 MB | 35 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Mudimedia Ltd](https://appshunter.io/developer/1641931784) | [Joel Manuel](https://appshunter.io/developer/6801322147) |

## What reviewers say

### Synaps

[App page](https://appshunter.io/ios/app/synaps-flashcards-and-memory/id6761515969)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $1.99 | per 7 days |
| Monthly | $4.99 | per month |
| Annual | $29.99 | per year |
| Lifetime | $79.99 | one-time |


### Lidimus

[App page](https://appshunter.io/ios/app/lidimus/id6801322145)

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

**In-app purchases:** none


## Frequently asked questions

### Is Synaps free?

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

### Is Lidimus free?

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

### Do Synaps or Lidimus have ads?

Neither Synaps nor Lidimus shows ads.

### Which is updated more often, Synaps or Lidimus?

Synaps ships an update every 5 days, and Lidimus every 4 days. Most recently, Synaps was updated on October 31, 2026 and Lidimus on November 3, 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.*