# Kronos Fit vs SPL Meter

The clearest difference is in-app purchases: Kronos Fit at none against SPL Meter's 3. Kronos Fit also leads on update cadence (every 3 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SPL Meter sells 3 in-app purchases, starting at $2.99 per 7 days. Kronos Fit asks for nothing beyond the download.

Kronos Fit ships an update every 3 weeks, SPL Meter every 2 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Kronos Fit | SPL Meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (14 ratings)](https://appshunter.io/ios/app/spl-meter-db-noise-tool/id6751081307/reviews)** |
| Number of ratings | — | **14** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | — | Freemium |
| Size | 114 MB | 32 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Portronics](https://appshunter.io/developer/1478870702) | [CODIGITAL SOLUTIONS](https://appshunter.io/developer/1829802387) |

## What reviewers say

### Kronos Fit

[App page](https://appshunter.io/ios/app/kronos-fit/id1634168814)

**Features:** Vision Pro support

**In-app purchases:** none


### SPL Meter

[App page](https://appshunter.io/ios/app/spl-meter-db-noise-tool/id6751081307)

Transform your device into a professional sound level meter to measure decibels in real-time. Monitor noise levels, visualize sound frequencies, and track your exposure to ensure safe hearing limits.

**Highlights:** Accurate noise level detection, Live audio monitoring, Professional calibration, Detailed noise history, Advanced spectrogram view, Noise exposure tracking

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Access | $2.99 | per 7 days |
| Pro Access | $4.99 | per month |
| Pro Access | $29.99 | per year |


## Frequently asked questions

### Is Kronos Fit free?

Kronos Fit 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 Kronos Fit or SPL Meter have ads?

Neither Kronos Fit nor SPL Meter shows ads.

### Which is updated more often, Kronos Fit or SPL Meter?

Kronos Fit ships an update every 3 weeks, and SPL Meter every 2 months. Most recently, Kronos Fit was updated on November 3, 2026 and SPL Meter on October 30, 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.*