# 3A思维导图 vs NodeNote

The clearest difference is iOS requirement: 3A思维导图 at 12.0 against NodeNote's 14.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 3A思维导图 sells 3 one-off in-app purchases and NodeNote sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on September 10, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | 3A思维导图 | NodeNote |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (5 ratings)](https://appshunter.io/ios/app/nodenote-mind-map-and-flow-chart/id1456988949/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 79.2% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 79 MB | 6 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [燕锋 林](https://appshunter.io/developer/691726316) | [小波 司](https://appshunter.io/developer/1271012003) |

## What reviewers say

### 3A思维导图

[App page](https://appshunter.io/ios/app/3a-aiai/id770595610)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 会员年费 | $59.99 | one-time |
| VIP（企业） | $79.99 | one-time |
| 超级会员年费 | $89.99 | one-time |


### NodeNote

[App page](https://appshunter.io/ios/app/nodenote-mind-map-and-flow-chart/id1456988949)

This app allows users to create interactive flowcharts and mind maps. Design algorithms, organize logic, and plan processes with flexible note-taking features. It offers a new generation of interactive experience for knowledge systems.

**Highlights:** Interactive flowcharts, Mind map creation, Algorithm design, Logic sorting, Process planning, Two-way composition

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flow chart | $2.99 | one-time |
| Mind map | $2.99 | one-time |
| NodeNote Pro | $5.99 | one-time |


## Frequently asked questions

### Is 3A思维导图 free?

3A思维导图 is free to download, with in-app purchases available.

### Is NodeNote free?

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

### Do 3A思维导图 or NodeNote have ads?

Neither 3A思维导图 nor NodeNote shows ads.

### Which is updated more often, 3A思维导图 or NodeNote?

3A思维导图 ships an update monthly, and NodeNote monthly. Most recently, 3A思维导图 was updated on September 10, 2026 and NodeNote on October 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.*