# Ai张江 vs Witch

Ai张江 and Witch are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Ai张江 ships an update every 2 months, Witch every 6 weeks. The most recent releases landed on September 28, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Ai张江 | Witch |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Size | 102 MB | 134 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [上海张江智荟科技有限公司](https://appshunter.io/developer/1635094710) | [上海吕巫科技有限公司](https://appshunter.io/developer/1817560856) |

## What reviewers say

### Ai张江

[App page](https://appshunter.io/ios/app/ai/id1635094708)

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

**In-app purchases:** none


### Witch

[App page](https://appshunter.io/ios/app/witch/id6746623162)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ai张江 free?

Ai张江 is free to download, with no in-app purchases.

### Is Witch free?

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

### Do Ai张江 or Witch have ads?

Neither Ai张江 nor Witch shows ads.

### Which is updated more often, Ai张江 or Witch?

Ai张江 ships an update every 2 months, and Witch every 6 weeks. Most recently, Ai张江 was updated on September 28, 2026 and Witch on September 17, 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.*