# 录音笔 STT vs 灵心AI

The clearest difference is update cadence: 灵心AI at every 2 days against 录音笔 STT's every 4 months. 录音笔 STT's advantage is iOS requirement (9.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

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

录音笔 STT ships an update every 4 months, 灵心AI every 2 days. The most recent releases landed on November 2, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 录音笔 STT | 灵心AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 days** |
| Size | 82 MB | 134 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [深圳市京华信息技术有限公司](https://appshunter.io/developer/964435817) | [康 姚](https://appshunter.io/developer/1870450739) |

## What reviewers say

### 录音笔 STT

[App page](https://appshunter.io/ios/app/stt/id1433450670)

**Features:** macOS Compatibility

**In-app purchases:** none


### 灵心AI

[App page](https://appshunter.io/ios/app/ai/id6758072628)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 录音笔 STT free?

录音笔 STT is free to download, with no in-app purchases.

### Is 灵心AI free?

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

### Do 录音笔 STT or 灵心AI have ads?

Neither 录音笔 STT nor 灵心AI shows ads.

### Which is updated more often, 录音笔 STT or 灵心AI?

录音笔 STT ships an update every 4 months, and 灵心AI every 2 days. Most recently, 录音笔 STT was updated on November 2, 2026 and 灵心AI 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.*