# Synapse Notes vs Tridigm

The clearest difference is update cadence: Synapse Notes at every 2 days against Tridigm's every 3 weeks. Synapse Notes also leads on iOS requirement (17.0 vs 26.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Synapse Notes ships an update every 2 days, Tridigm every 3 weeks. The most recent releases landed on September 27, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Synapse Notes | Tridigm |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 weeks |
| Size | 8 MB | 188 MB |
| Requires iOS | **17.0** | 26.1 |
| Devices | iPhone, iPad | iPhone, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Can Ahmet Ozguven](https://appshunter.io/developer/1860802261) | [LIBBA-T](https://appshunter.io/developer/6773543032) |

## What reviewers say

### Synapse Notes

[App page](https://appshunter.io/ios/app/synapse-notes/id6759223987)

**Features:** macOS Compatibility

**In-app purchases:** none


### Tridigm

[App page](https://appshunter.io/ios/app/tridigm/id6773543030)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Synapse Notes free?

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

### Is Tridigm free?

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

### Do Synapse Notes or Tridigm have ads?

Neither Synapse Notes nor Tridigm shows ads.

### Which is updated more often, Synapse Notes or Tridigm?

Synapse Notes ships an update every 2 days, and Tridigm every 3 weeks. Most recently, Synapse Notes was updated on September 27, 2026 and Tridigm on September 29, 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.*