# K vs SolarGPS2

The clearest difference is price: SolarGPS2 at Free against K's $4.99. K's advantage is iOS requirement (8.0 vs 12.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

SolarGPS2 is free to download; K costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

K ships an update every 5 weeks, SolarGPS2 monthly. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | K | SolarGPS2 |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[3.8 (318 ratings)](https://appshunter.io/ios/app/k-keyboard-5-row/id963778591/reviews)** | — |
| Number of ratings | **318** | — |
| Positive reviews | 60.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Free | — |
| Size | 21 MB | 21 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lin Bunchan](https://appshunter.io/developer/457862322) | [维刚 王](https://appshunter.io/developer/913823126) |

## What reviewers say

### K

[App page](https://appshunter.io/ios/app/k-keyboard-5-row/id963778591)

This app provides a fast and beautifully designed keyboard extension for iOS, specifically for typing in the Khmer language. It offers a full set of Khmer characters with a convenient 5-row layout and character preview for enhanced typing accuracy.

**Highlights:** Fast and beautiful Khmer keyboard, System keyboard design, Character preview for easy typing, 5 rows keyboard layout, Full Khmer character set

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

**In-app purchases:** none

**What reviewers like**

- 👍 Works very well
- 👍 Great job
- 👍 Good keyboard
- 👍 Easy to use
- 👍 Excellent

**What reviewers complain about**

- 🐛 Not working
- 🐛 Missing some alphabet
- 🐛 Spacing out issues
- 🐛 Doesn't support iPad Pro
- 🐛 Keyboard not showing

**Reported bugs**

- Sak ah and Sak ear is spacing out
- Missing some vowel and alphabet
- When entering Facebook or YouTube, the keyboard sometimes doesn't appear
- When typing 'ញ ជើង រ', the 'ជើង' is missing

**Requested features**

- Voice typing feature
- Add voice search
- Add guest words function
- Support physical keyboard


### SolarGPS2

[App page](https://appshunter.io/ios/app/solargps2/id1495788735)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is K free?

K costs $4.99, with no in-app purchases.

### Is SolarGPS2 free?

SolarGPS2 is free to download, with no in-app purchases.

### Do K or SolarGPS2 have ads?

Neither K nor SolarGPS2 shows ads.

### Which is updated more often, K or SolarGPS2?

K ships an update every 5 weeks, and SolarGPS2 monthly. Most recently, K was updated on November 6, 2026 and SolarGPS2 on November 7, 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.*