# Silkline+ vs SPL Meter

The clearest difference is in-app purchases: Silkline+ at none against SPL Meter's 2. Silkline+ also leads on update cadence (weekly vs every 5 weeks) and iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. SPL Meter sells 2 in-app purchases, starting at $1.99 per 7 days. Silkline+ asks for nothing beyond the download.

Silkline+ ships an update weekly, SPL Meter every 5 weeks. The most recent releases landed on September 27, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Silkline+ | SPL Meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (11 ratings)](https://appshunter.io/ios/app/spl-meter-dbtracker/id6742470686/reviews)** |
| Number of ratings | — | **11** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 5 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 82 MB | 9 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cong Le](https://appshunter.io/developer/1445675747) | [金红 李](https://appshunter.io/developer/1781133144) |

## What reviewers say

### Silkline+

[App page](https://appshunter.io/ios/app/silkline-plus/id1583377303)

**Features:** macOS Compatibility

**In-app purchases:** none


### SPL Meter

[App page](https://appshunter.io/ios/app/spl-meter-dbtracker/id6742470686)

This tool measures ambient noise levels in real-time, providing decibel readings to help you understand noise intensity and protect your hearing. It features an intuitive gauge, explanations of noise levels, and recording capabilities to track variations across locations and times.

**Highlights:** Real-time decibel measurement, Intuitive gauge display, Noise level explanations, Recording functionality, Track noise variations, Hearing protection guidance

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited access | $1.99 | per 7 days |
| Unlimited access | $9.99 | per year |


## Frequently asked questions

### Is Silkline+ free?

Silkline+ is free to download, with no in-app purchases.

### Is SPL Meter free?

SPL Meter is free to download, with in-app purchases available.

### Do Silkline+ or SPL Meter have ads?

Neither Silkline+ nor SPL Meter shows ads.

### Which is updated more often, Silkline+ or SPL Meter?

Silkline+ ships an update weekly, and SPL Meter every 5 weeks. Most recently, Silkline+ was updated on September 27, 2026 and SPL Meter on October 11, 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.*