# Deer vs 懂我筆記本

The clearest difference is in-app purchases: 懂我筆記本 at none against Deer's 3. Deer's advantage is update cadence (every 9 days vs every 2 months) and device support (4 vs 2). On price and ads there is nothing between them.

Both are free to download. Deer sells 3 in-app purchases, starting at $0.99 per month. 懂我筆記本 asks for nothing beyond the download.

Deer ships an update every 9 days, 懂我筆記本 every 2 months. The most recent releases landed on September 22, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Deer | 懂我筆記本 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (6 ratings)](https://appshunter.io/ios/app/deer-note-outline-mindmap/id1509262785/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 88.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 11 MB | 7 MB |
| Requires iOS | **15** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [佳文 潘](https://appshunter.io/developer/1312631799) | [Yu-Hsiang Chang](https://appshunter.io/developer/1775810372) |

## What reviewers say

### Deer

[App page](https://appshunter.io/ios/app/deer-note-outline-mindmap/id1509262785)

This app offers structured note-taking with features to reorder lines, convert notes to outlines, and generate mind maps. It helps organize complex information and newly learned knowledge points for clearer understanding.

**Highlights:** Freely reorder notes by line, One-click outline conversion, One-click mind map generation, Drag and drop paragraph reordering, Clearer structure visualization

**Features:** Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription Monthly | $0.99 | per month |
| Subscription Yearly | $5.99 | per year |
| Lifetime VIP | $9.99 | one-time |


### 懂我筆記本

[App page](https://appshunter.io/ios/app/id6766533920)

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

**In-app purchases:** none


## Frequently asked questions

### Is Deer free?

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

### Is 懂我筆記本 free?

懂我筆記本 is free to download, with no in-app purchases.

### Do Deer or 懂我筆記本 have ads?

Neither Deer nor 懂我筆記本 shows ads.

### Which is updated more often, Deer or 懂我筆記本?

Deer ships an update every 9 days, and 懂我筆記本 every 2 months. Most recently, Deer was updated on September 22, 2026 and 懂我筆記本 on October 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*