# Instinct Method vs 单词脑图

The clearest difference is update cadence: Instinct Method at every 2 weeks against 单词脑图's every 5 months. Instinct Method also leads on iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Instinct Method sells 10 one-off in-app purchases and 单词脑图 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Instinct Method ships an update every 2 weeks, 单词脑图 every 5 months. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Instinct Method | 单词脑图 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 months |
| Size | 56 MB | 2 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Xi'An Dongzhi Network Technology Co., Ltd.](https://appshunter.io/developer/1647208302) | [博 彭](https://appshunter.io/developer/1293268076) |

## What reviewers say

### Instinct Method

[App page](https://appshunter.io/ios/app/instinct-method/id6443566128)

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 点数充值：1 点 | $0.99 | one-time |
| Membership 1 Day | $0.99 | one-time |
| Membership 1 Week | $0.99 | one-time |
| Membership 1 Month | $3.99 | one-time |
| Membership 3 Month | $9.99 | one-time |
| 点数充值：100 点 | $14.99 | one-time |
| Membership 6 Month | $19.99 | one-time |
| Membership 1 Year | $39.99 | one-time |
| Membership 3 Years | $89.99 | one-time |
| 点数充值：1000 点 | $149.99 | one-time |


### 单词脑图

[App page](https://appshunter.io/ios/app/id6749173093)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 升级终身Pro | $2.99 | one-time |


## Frequently asked questions

### Is Instinct Method free?

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

### Is 单词脑图 free?

单词脑图 is free to download, with in-app purchases available.

### Do Instinct Method or 单词脑图 have ads?

Neither Instinct Method nor 单词脑图 shows ads.

### Which is updated more often, Instinct Method or 单词脑图?

Instinct Method ships an update every 2 weeks, and 单词脑图 every 5 months. Most recently, Instinct Method was updated on November 7, 2026 and 单词脑图 on November 8, 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.*