# 声间 vs Grind Meter

The clearest difference is in-app purchases: Grind Meter at none against 声间's 3. Grind Meter also leads on update cadence (every 3 days vs every 3 weeks) and iOS requirement (13.0 vs 17.0). 声间's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. 声间 sells 3 in-app purchases, starting at $2.99 per month. Grind Meter asks for nothing beyond the download.

声间 ships an update every 3 weeks, Grind Meter every 3 days. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 声间 | Grind Meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/id6739978476/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 76.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Freemium | — |
| Size | 10 MB | 23 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [林克时间(北京)科技有限公司](https://appshunter.io/developer/1711731675) | [Dongming YAN](https://appshunter.io/developer/6777715564) |

## What reviewers say

### 声间

[App page](https://appshunter.io/ios/app/id6739978476)

Record your thoughts and emotions through voice, which is automatically transcribed into text. Revisit past moments with a 'radio mode' that plays random recordings, offering a unique way to connect with yourself and heal.

**Highlights:** Voice to text transcription, Timeline of voice recordings, Random playback of past recordings, Private local storage, Categorization with tags, Pure text mode

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Membership | $2.99 | per month |
| Annual Membership | $9.99 | per year |
| Lifetime Membership | $14.99 | one-time |


### Grind Meter

[App page](https://appshunter.io/ios/app/grind-meter/id6785531973)

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

**In-app purchases:** none


## Frequently asked questions

### Is 声间 free?

声间 is free to download, with in-app purchases available.

### Is Grind Meter free?

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

### Do 声间 or Grind Meter have ads?

Grind Meter shows ads; 声间 does not.

### Which is updated more often, 声间 or Grind Meter?

声间 ships an update every 3 weeks, and Grind Meter every 3 days. Most recently, 声间 was updated on October 23, 2026 and Grind Meter 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.*