# TripSync Pro vs dB Meter

The clearest difference is price: TripSync Pro at Free against dB Meter's $12.99. dB Meter's advantage is in-app purchases (none vs 3). On ads, device support and iOS requirement there is nothing between them.

TripSync Pro is free to download; dB Meter costs $12.99 up front. TripSync Pro sells 3 in-app purchases, starting at $2.99 per month. dB Meter asks for nothing beyond the download.

## The numbers

| Metric | TripSync Pro | dB Meter |
| --- | --- | --- |
| Price | **Free** | $12.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Monthly |
| Size | 2 MB | 4 MB |
| Requires iOS | 17 | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 9+ | 4+ |
| Developer | [贺 周](https://appshunter.io/developer/1815397078) | [Birkan Aksoy](https://appshunter.io/developer/1626910993) |

## What reviewers say

### TripSync Pro

[App page](https://appshunter.io/ios/app/tripsync-pro/id6763983850)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TripSync Pro Monthly | $2.99 | per month |
| TripSync Pro Yearly | $19.99 | per year |
| TripSync Pro Lifetime | $49.99 | one-time |


### dB Meter

[App page](https://appshunter.io/ios/app/db-meter-sound-level/id6784445985)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is TripSync Pro free?

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

### Is dB Meter free?

dB Meter costs $12.99, with no in-app purchases.

### Do TripSync Pro or dB Meter have ads?

Neither TripSync Pro nor dB Meter 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.*