# kapp vs TW Transit Radar

The clearest difference is update cadence: TW Transit Radar at every 4 days against kapp's monthly. TW Transit Radar also leads on device support (4 vs 2) and iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

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

kapp ships an update monthly, TW Transit Radar every 4 days. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | kapp | TW Transit Radar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Size | 20 MB | 37 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Naoki Abe](https://appshunter.io/developer/737655596) | [ChunChen Chen](https://appshunter.io/developer/1823431538) |

## What reviewers say

### kapp

[App page](https://appshunter.io/ios/app/kapp/id1614118584)

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

**In-app purchases:** none


### TW Transit Radar

[App page](https://appshunter.io/ios/app/tw-transit-radar/id6790224174)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is kapp free?

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

### Is TW Transit Radar free?

TW Transit Radar is free to download, with no in-app purchases.

### Do kapp or TW Transit Radar have ads?

Neither kapp nor TW Transit Radar shows ads.

### Which is updated more often, kapp or TW Transit Radar?

kapp ships an update monthly, and TW Transit Radar every 4 days. Most recently, kapp was updated on October 30, 2026 and TW Transit Radar on October 25, 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.*