# markru vs Arcora

The clearest difference is in-app purchases: markru at none against Arcora's 1. Arcora's advantage is iOS requirement (17.0 vs 27.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Arcora sells 1 one-off in-app purchase. markru asks for nothing beyond the download.

markru ships an update weekly, Arcora every 4 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | markru | Arcora |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/arcora/id6775688996/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 9 MB | 12 MB |
| Requires iOS | 27.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [kazunobu tsujino](https://appshunter.io/developer/1872814748) | [明辉 沈](https://appshunter.io/developer/6775673216) |

## What reviewers say

### markru

[App page](https://appshunter.io/ios/app/markru-notes-bookshelf/id6766451940)

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

**In-app purchases:** none


### Arcora

[App page](https://appshunter.io/ios/app/arcora/id6775688996)

Organize and search your AI chat history with this app. It transforms ZIP archives from various AI models into a private, searchable knowledge base on your iPhone or iPad. Easily browse, search, and export your past conversations.

**Highlights:** Private searchable knowledge library, Import AI chat archives, On-device conversation parsing, Search across messages, Export as Markdown or PDF, Basic statistics review

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Arcora Pro | $4.99 | one-time |


## Frequently asked questions

### Is markru free?

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

### Is Arcora free?

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

### Do markru or Arcora have ads?

Neither markru nor Arcora shows ads.

### Which is updated more often, markru or Arcora?

markru ships an update weekly, and Arcora every 4 days. Most recently, markru was updated on October 31, 2026 and Arcora on October 31, 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.*