# 写作助手 vs Identifier：AI Image Search

写作助手 and Identifier：AI Image Search 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. 写作助手 sells 3 in-app purchases, starting at $4.99 per 7 days and Identifier：AI Image Search sells 3 in-app purchases, starting at $6.00 per 7 days. Whichever you choose, the download price is not the number that matters.

写作助手 ships an update every 4 months, Identifier：AI Image Search every 6 months. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 写作助手 | Identifier：AI Image Search |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 6 months |
| Size | 45 MB | 151 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 9+ | 9+ |
| Developer | [应夏 陈](https://appshunter.io/developer/1842122745) | [Mist Drift LLC](https://appshunter.io/developer/1857713049) |

## What reviewers say

### 写作助手

[App page](https://appshunter.io/ios/app/ai/id6756476932)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周会员 | $4.99 | per 7 days |
| 月会员 | $5.99 | one-time |
| 年会员 | $14.99 | one-time |


### Identifier：AI Image Search

[App page](https://appshunter.io/ios/app/identifierai-image-search/id6760275738)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly auto-renewal | $6.00 | per 7 days |
| Monthly auto-renewal | $13.00 | per month |
| Annual auto-renewal | $28.00 | per year |


## Frequently asked questions

### Is 写作助手 free?

写作助手 is free to download, with in-app purchases available.

### Is Identifier：AI Image Search free?

Identifier：AI Image Search is free to download, with in-app purchases available.

### Do 写作助手 or Identifier：AI Image Search have ads?

Neither 写作助手 nor Identifier：AI Image Search shows ads.

### Which is updated more often, 写作助手 or Identifier：AI Image Search?

写作助手 ships an update every 4 months, and Identifier：AI Image Search every 6 months. Most recently, 写作助手 was updated on October 28, 2026 and Identifier：AI Image Search on October 25, 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.*