# 一装EIM vs GuruMind

The clearest difference is in-app purchases: 一装EIM at none against GuruMind's 3. 一装EIM also leads on iOS requirement (13.0 vs 16.0). GuruMind's advantage is ads (none vs shown) and update cadence (every 3 days vs every 3 months). On price and device support there is nothing between them.

Both are free to download. GuruMind sells 3 in-app purchases, starting at $0.99 per month. 一装EIM asks for nothing beyond the download.

一装EIM ships an update every 3 months, GuruMind every 3 days. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 一装EIM | GuruMind |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/gurumind/id6757127151/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 3 days** |
| Monetization | — | Freemium |
| Size | 92 MB | 296 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [成都一装科技有限公司](https://appshunter.io/developer/1459219595) | [名杰 王](https://appshunter.io/developer/1790215066) |

## What reviewers say

### 一装EIM

[App page](https://appshunter.io/ios/app/eim/id6504960619)

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

**In-app purchases:** none


### GuruMind

[App page](https://appshunter.io/ios/app/gurumind/id6757127151)

This app links PDF annotations to mind maps, allowing you to create linked nodes and jump to original text. It supports detailed note-taking, hierarchical mind maps, and a browser-like navigation for complex knowledge systems. Efficiently review PDF highlights with a flashcard-like mode and generate Anki cards from your notes.

**Highlights:** PDF to mind map linking, Node notes with bidirectional links, Sub-mind maps with browser navigation, PDF annotation notes, PDF review mode, Batch cloze deletion card generation, Smart flashcard creation, Cloud sync and multi-device collaboration

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $0.99 | per month |
| 年度会员 | $6.99 | per year |
| 终身会员 | $14.99 | one-time |


## Frequently asked questions

### Is 一装EIM free?

一装EIM is free to download, with no in-app purchases.

### Is GuruMind free?

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

### Do 一装EIM or GuruMind have ads?

一装EIM shows ads; GuruMind does not.

### Which is updated more often, 一装EIM or GuruMind?

一装EIM ships an update every 3 months, and GuruMind every 3 days. Most recently, 一装EIM was updated on November 4, 2026 and GuruMind 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.*