# 知道做到 vs SeeChanges AI

The clearest difference is in-app purchases: 知道做到 at none against SeeChanges AI's 10. 知道做到 also leads on iOS requirement (13.0 vs 16). SeeChanges AI's advantage is update cadence (every 2 days vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. SeeChanges AI sells 10 in-app purchases, starting at $3.99 per 3 months. 知道做到 asks for nothing beyond the download.

知道做到 ships an update monthly, SeeChanges AI every 2 days. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 知道做到 | SeeChanges AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6740897385/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Size | 37 MB | 10 MB |
| Requires iOS | **13.0** | 16 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [深圳市视联网科技有限公司](https://appshunter.io/developer/1792142781) | [巧莉 郑](https://appshunter.io/developer/1884920163) |

## What reviewers say

### 知道做到

[App page](https://appshunter.io/ios/app/id6740897385)

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

**In-app purchases:** none


### SeeChanges AI

[App page](https://appshunter.io/ios/app/seechanges-ai/id6760574316)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro包季 | $3.99 | per 3 months |
| Ultra包季 | $6.99 | per 3 months |
| Pro包年 | $9.99 | per year |
| Ultra包年 | $17.99 | per year |
| Pro月费 | $1.99 | one-time |
| Ultra月费 | $3.99 | one-time |
| Pro季度 | $5.99 | one-time |
| Ultra季度 | $9.99 | one-time |
| Pro年度 | $14.99 | one-time |
| Ultra年度 | $24.99 | one-time |


## Frequently asked questions

### Is 知道做到 free?

知道做到 is free to download, with no in-app purchases.

### Is SeeChanges AI free?

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

### Do 知道做到 or SeeChanges AI have ads?

Neither 知道做到 nor SeeChanges AI shows ads.

### Which is updated more often, 知道做到 or SeeChanges AI?

知道做到 ships an update monthly, and SeeChanges AI every 2 days. Most recently, 知道做到 was updated on November 4, 2026 and SeeChanges AI 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.*