# Scanmarker Keyboard vs Synapse

The clearest difference is in-app purchases: Scanmarker Keyboard at none against Synapse's 2. Scanmarker Keyboard also leads on update cadence (fortnightly vs every 5 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Synapse sells 2 in-app purchases, starting at $79.99 per year. Scanmarker Keyboard asks for nothing beyond the download.

Scanmarker Keyboard ships an update fortnightly, Synapse every 5 weeks. The most recent releases landed on September 20, 2026 and September 4, 2026 respectively.

## The numbers

| Metric | Scanmarker Keyboard | Synapse |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Size | 8 MB | 8 MB |
| Requires iOS | **16** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Topscan ltd.](https://appshunter.io/developer/958087930) | [Roi Rozenthal](https://appshunter.io/developer/6775226779) |

## What reviewers say

### Scanmarker Keyboard

[App page](https://appshunter.io/ios/app/scanmarker-keyboard/id6745490336)

**Features:** macOS Compatibility

**In-app purchases:** none


### Synapse

[App page](https://appshunter.io/ios/app/synapse-flashcard-maker/id6780468536)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Synapse Premium | $79.99 | per year |
| Synapse Premium — Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is Scanmarker Keyboard free?

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

### Is Synapse free?

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

### Do Scanmarker Keyboard or Synapse have ads?

Neither Scanmarker Keyboard nor Synapse shows ads.

### Which is updated more often, Scanmarker Keyboard or Synapse?

Scanmarker Keyboard ships an update fortnightly, and Synapse every 5 weeks. Most recently, Scanmarker Keyboard was updated on September 20, 2026 and Synapse on September 4, 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.*