# KMD Keys vs CarDiary App

The clearest difference is update cadence: KMD Keys at every 4 days against CarDiary App's every 10 days. KMD Keys also leads on iOS requirement (13.0 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.

KMD Keys ships an update every 4 days, CarDiary App every 10 days. The most recent releases landed on October 1, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | KMD Keys | CarDiary App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 10 days |
| Size | 61 MB | 23 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [UMANG MARWAH](https://appshunter.io/developer/1498813122) | [Amar NATH](https://appshunter.io/developer/1811941031) |

## What reviewers say

### KMD Keys

[App page](https://appshunter.io/ios/app/kmd-keys/id1498813123)

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

**In-app purchases:** none


### CarDiary App

[App page](https://appshunter.io/ios/app/cardiary-app/id6755099628)

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

**In-app purchases:** none


## Frequently asked questions

### Is KMD Keys free?

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

### Is CarDiary App free?

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

### Do KMD Keys or CarDiary App have ads?

Neither KMD Keys nor CarDiary App shows ads.

### Which is updated more often, KMD Keys or CarDiary App?

KMD Keys ships an update every 4 days, and CarDiary App every 10 days. Most recently, KMD Keys was updated on October 1, 2026 and CarDiary App on September 23, 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.*