# Semanty vs memory.wiki

The clearest difference is in-app purchases: memory.wiki at none against Semanty's 2. memory.wiki also leads on update cadence (every 5 days vs every 2 weeks). Semanty's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Semanty sells 2 in-app purchases, starting at $2.99 per month. memory.wiki asks for nothing beyond the download.

Semanty ships an update every 2 weeks, memory.wiki every 5 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Semanty | memory.wiki |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Size | 16 MB | 10 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [笛 吴](https://appshunter.io/developer/1690923883) | [Hyunsang Cho](https://appshunter.io/developer/1844111032) |

## What reviewers say

### Semanty

[App page](https://appshunter.io/ios/app/semanty-contextual-lookup/id6755346924)

**Features:** Safari Extension, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Membership (Monthly) | $2.99 | per month |
| Premium Membership (Annual) | $29.99 | per year |


### memory.wiki

[App page](https://appshunter.io/ios/app/memorywiki/id6774713489)

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

**In-app purchases:** none


## Frequently asked questions

### Is Semanty free?

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

### Is memory.wiki free?

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

### Do Semanty or memory.wiki have ads?

Neither Semanty nor memory.wiki shows ads.

### Which is updated more often, Semanty or memory.wiki?

Semanty ships an update every 2 weeks, and memory.wiki every 5 days. Most recently, Semanty was updated on October 25, 2026 and memory.wiki 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.*