# Decibel Meter vs Blot Points

The clearest difference is price: Blot Points at Free against Decibel Meter's $3.99. Blot Points also leads on update cadence (daily vs every 6 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Blot Points is free to download; Decibel Meter costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Decibel Meter ships an update every 6 months, Blot Points daily. Both last shipped on October 24, 2026.

## The numbers

| Metric | Decibel Meter | Blot Points |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Daily** |
| Size | 1 MB | 34 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [庆贤 曾](https://appshunter.io/developer/1767739447) | [Narek Shiroyan](https://appshunter.io/developer/1655673793) |

## What reviewers say

### Decibel Meter

[App page](https://appshunter.io/ios/app/decibel-meter-expert-accuracy/id6680196104)

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

**In-app purchases:** none


### Blot Points

[App page](https://appshunter.io/ios/app/blot-points/id6811446097)

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

**In-app purchases:** none


## Frequently asked questions

### Is Decibel Meter free?

Decibel Meter costs $3.99, with no in-app purchases.

### Is Blot Points free?

Blot Points is free to download, with no in-app purchases.

### Do Decibel Meter or Blot Points have ads?

Neither Decibel Meter nor Blot Points shows ads.

### Which is updated more often, Decibel Meter or Blot Points?

Decibel Meter ships an update every 6 months, and Blot Points daily. Most recently, Decibel Meter was updated on October 24, 2026 and Blot Points on October 24, 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.*