# 时光胶囊Plus vs 分贝检测专家

The clearest difference is iOS requirement: 分贝检测专家 at 11.2 against 时光胶囊Plus's 13.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 时光胶囊Plus sells 4 one-off in-app purchases and 分贝检测专家 sells 2 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | 时光胶囊Plus | 分贝检测专家 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | — |
| Size | 32 MB | 92 MB |
| Requires iOS | 13.0 | **11.2** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Shanghai Shifang Mdt InfoTech Ltd.](https://appshunter.io/developer/897103047) | [少红 凡](https://appshunter.io/developer/1830162834) |

## What reviewers say

### 时光胶囊Plus

[App page](https://appshunter.io/ios/app/plus/id1478372482)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| time capsule x 6 | $0.99 | one-time |
| time capsule x 18 | $2.99 | one-time |
| time capsule x 64 | $7.99 | one-time |
| time capsule x 660 | $89.99 | one-time |


### 分贝检测专家

[App page](https://appshunter.io/ios/app/id6443487669)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 工业级分贝检测 | $0.99 | per 7 days |
| 工业级分贝检测 | $2.49 | per 3 months |


## Frequently asked questions

### Is 时光胶囊Plus free?

时光胶囊Plus is free to download, with in-app purchases available.

### Is 分贝检测专家 free?

分贝检测专家 is free to download, with in-app purchases available.

### Do 时光胶囊Plus or 分贝检测专家 have ads?

Neither 时光胶囊Plus nor 分贝检测专家 shows ads.

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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.*