# 智写问答王 vs Decibel：Sound Meter

The clearest difference is rating: 智写问答王 at 5.0 against Decibel：Sound Meter's 3.8. 智写问答王 also leads on ads (none vs shown) and update cadence (every 3 days vs every 11 days). Decibel：Sound Meter's advantage is ratings volume (6 vs 1). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. 智写问答王 sells 5 in-app purchases, starting at $4.99 per 7 days and Decibel：Sound Meter sells 3 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

智写问答王 holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: Decibel：Sound Meter has 6 ratings behind it against 1, so its average is the more settled of the two.

智写问答王 ships an update every 3 days, Decibel：Sound Meter every 11 days. The most recent releases landed on November 4, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | 智写问答王 | Decibel：Sound Meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ai-and-and/id6473097131/reviews)** | [3.8 (6 ratings)](https://appshunter.io/ios/app/decibelsound-meter/id6473146362/reviews) |
| Number of ratings | 1 | **6** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 11 days |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 19 MB | 33 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [少明 黄](https://appshunter.io/developer/1715961722) | [ZHHUALIUON INC](https://appshunter.io/developer/1686696259) |

## What reviewers say

### 智写问答王

[App page](https://appshunter.io/ios/app/ai-and-and/id6473097131)

This AI-powered assistant helps you generate high-quality essays, diaries, and articles quickly. It adapts to your writing style, ensuring originality and emotional depth in your content. Secure and reliable, it's designed for students, professionals, and writing enthusiasts.

**Highlights:** Instant article generation from keywords, Authentic emotional expression, Adaptable to various user needs, Originality detection and style adjustment, Secure content encryption, Multiple subscription plans

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周会员 | $4.99 | per 7 days |
| 月会员 | $9.99 | per month |
| 年会员 | $24.99 | per year |
| 限时永久会员 | $14.99 | one-time |
| 永久会员 | $29.99 | one-time |


### Decibel：Sound Meter

[App page](https://appshunter.io/ios/app/decibelsound-meter/id6473146362)

This application offers real-time decibel measurements with high precision. It provides detailed reports, location data, and the ability to share or export audio measurements. Users can also utilize a real-time decibel camera feature.

**Highlights:** Real-time decibel measurement, High precision, Location data, Decibel camera, Measurement reports, Data sharing, Audio data export

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly membership | $3.99 | per 7 days |
| Monthly membership | $4.99 | per month |
| Annual membership | $14.99 | per year |


## Frequently asked questions

### Is 智写问答王 free?

智写问答王 is free to download, with in-app purchases available.

### Is Decibel：Sound Meter free?

Decibel：Sound Meter is free to download, with in-app purchases available.

### Which has better reviews, 智写问答王 or Decibel：Sound Meter?

智写问答王 is rated higher. 智写问答王 averages 5.0 out of 5 from 1 ratings, while Decibel：Sound Meter averages 3.8 from 6 ratings.

### Do 智写问答王 or Decibel：Sound Meter have ads?

Decibel：Sound Meter shows ads; 智写问答王 does not.

### Which is updated more often, 智写问答王 or Decibel：Sound Meter?

智写问答王 ships an update every 3 days, and Decibel：Sound Meter every 11 days. Most recently, 智写问答王 was updated on November 4, 2026 and Decibel：Sound Meter on November 8, 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.*