# 索信云 vs Sensor Recorder Pro

The clearest difference is in-app purchases: 索信云 at none against Sensor Recorder Pro's 1. 索信云 also leads on update cadence (every 2 weeks vs every 4 weeks) and iOS requirement (13.0 vs 15.4). On price, ads and device support there is nothing between them.

Both are free to download. Sensor Recorder Pro sells 1 one-off in-app purchase. 索信云 asks for nothing beyond the download.

索信云 ships an update every 2 weeks, Sensor Recorder Pro every 4 weeks. The most recent releases landed on October 6, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | 索信云 | Sensor Recorder Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 weeks |
| Size | 64 MB | 3 MB |
| Requires iOS | **13.0** | 15.4 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [索信市场咨询(北京)有限公司](https://appshunter.io/developer/1148315210) | [晓聪 姜](https://appshunter.io/developer/6782490208) |

## What reviewers say

### 索信云

[App page](https://appshunter.io/ios/app/id6762179936)

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

**In-app purchases:** none


### Sensor Recorder Pro

[App page](https://appshunter.io/ios/app/sensor-recorder-pro/id6782758613)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Recording | $2.99 | one-time |


## Frequently asked questions

### Is 索信云 free?

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

### Is Sensor Recorder Pro free?

Sensor Recorder Pro is free to download, with in-app purchases available.

### Do 索信云 or Sensor Recorder Pro have ads?

Neither 索信云 nor Sensor Recorder Pro shows ads.

### Which is updated more often, 索信云 or Sensor Recorder Pro?

索信云 ships an update every 2 weeks, and Sensor Recorder Pro every 4 weeks. Most recently, 索信云 was updated on October 6, 2026 and Sensor Recorder Pro on October 5, 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.*