# GridLens Pro vs dB Meter

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

GridLens Pro is free to download; dB Meter costs $12.99 up front. GridLens Pro sells 3 in-app purchases, starting at $4.99 per month. dB Meter asks for nothing beyond the download.

GridLens Pro ships an update daily, dB Meter monthly. The most recent releases landed on October 11, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | GridLens Pro | dB Meter |
| --- | --- | --- |
| Price | **Free** | $12.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Monthly |
| Size | 3 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

### GridLens Pro

[App page](https://appshunter.io/ios/app/gridlens-pro/id6766849142)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GridLens Monthly | $4.99 | per month |
| GridLens Yearly | $29.99 | per year |
| GridLens Lifetime | $59.99 | 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 GridLens Pro free?

GridLens 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 GridLens Pro or dB Meter have ads?

Neither GridLens Pro nor dB Meter shows ads.

### Which is updated more often, GridLens Pro or dB Meter?

GridLens Pro ships an update daily, and dB Meter monthly. Most recently, GridLens Pro was updated on October 11, 2026 and dB Meter on October 5, 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.*