# Sonor vs KPH

The clearest difference is update cadence: KPH at weekly against Sonor's monthly. KPH also leads on iOS requirement (12.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Sonor ships an update monthly, KPH weekly. The most recent releases landed on September 21, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Sonor | KPH |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Size | 38 MB | 54 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [TTTools](https://appshunter.io/developer/1686019168) | [Hami Information Technology (Suzhou) Co., Ltd.](https://appshunter.io/developer/1700402738) |

## What reviewers say

### Sonor

[App page](https://appshunter.io/ios/app/sonor-real-time-data/id6448738959)

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

**In-app purchases:** none


### KPH

[App page](https://appshunter.io/ios/app/kph/id6748893055)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sonor free?

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

### Is KPH free?

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

### Do Sonor or KPH have ads?

Neither Sonor nor KPH shows ads.

### Which is updated more often, Sonor or KPH?

Sonor ships an update monthly, and KPH weekly. Most recently, Sonor was updated on September 21, 2026 and KPH on September 22, 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.*