# 行动响指 vs iSpector

The clearest difference is in-app purchases: iSpector at none against 行动响指's 3. 行动响指's advantage is update cadence (monthly vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 行动响指 sells 3 in-app purchases, starting at $2.99 per month. iSpector asks for nothing beyond the download.

行动响指 ships an update monthly, iSpector every 4 months. The most recent releases landed on October 28, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | 行动响指 | iSpector |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 4 months |
| Size | 3 MB | 1 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [梦珂 王](https://appshunter.io/developer/1611324567) | [筱宁 崔](https://appshunter.io/developer/1896372759) |

## What reviewers say

### 行动响指

[App page](https://appshunter.io/ios/app/id6756616579)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 一个月 | $2.99 | per month |
| 一整年 | $9.99 | per year |
| 一辈子 | $19.99 | one-time |


### iSpector

[App page](https://appshunter.io/ios/app/ispector/id6768651648)

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

**In-app purchases:** none


## Frequently asked questions

### Is 行动响指 free?

行动响指 is free to download, with in-app purchases available.

### Is iSpector free?

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

### Do 行动响指 or iSpector have ads?

Neither 行动响指 nor iSpector shows ads.

### Which is updated more often, 行动响指 or iSpector?

行动响指 ships an update monthly, and iSpector every 4 months. Most recently, 行动响指 was updated on October 28, 2026 and iSpector on November 9, 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.*