# 1823 vs KOI Keyboard

The clearest difference is in-app purchases: 1823 at none against KOI Keyboard's 10. KOI Keyboard's advantage is update cadence (every 4 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. KOI Keyboard sells 10 one-off in-app purchases. 1823 asks for nothing beyond the download.

1823 ships an update every 2 months, KOI Keyboard every 4 days. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 1823 | KOI Keyboard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/1823/id1628731262/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 97 MB | 218 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [1823, HKSAR Government](https://appshunter.io/developer/1628731264) | [Chi Yu Cheng](https://appshunter.io/developer/1896654870) |

## What reviewers say

### 1823

[App page](https://appshunter.io/ios/app/1823/id1628731262)

Submit cases, view records, and get instant answers to government service inquiries. This app allows users to easily submit complaints, compliments, and suggestions to 23 participating departments.

**Highlights:** Submit cases with photos and videos, Track case history and replies, Instant answers via FAQs and chatbot, Submit compliments and suggestions, Contact 23 participating departments

**Features:** Vision Pro support

**In-app purchases:** none


### KOI Keyboard

[App page](https://appshunter.io/ios/app/koi-keyboard/id6789937180)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 稜鏡主題 | $0.99 | one-time |
| 脈衝主題 | $0.99 | one-time |
| 浮影主題 | $0.99 | one-time |
| 座標主題 | $0.99 | one-time |
| 翹角主題 | $0.99 | one-time |
| 柔丘主題 | $0.99 | one-time |
| 隱翹主題 | $0.99 | one-time |
| 隱翹・律主題 | $0.99 | one-time |
| 隱翹・霓主題 | $0.99 | one-time |
| KOI Keyboard Sizing | $1.99 | one-time |


## Frequently asked questions

### Is 1823 free?

1823 is free to download, with no in-app purchases.

### Is KOI Keyboard free?

KOI Keyboard is free to download, with in-app purchases available.

### Do 1823 or KOI Keyboard have ads?

Neither 1823 nor KOI Keyboard shows ads.

### Which is updated more often, 1823 or KOI Keyboard?

1823 ships an update every 2 months, and KOI Keyboard every 4 days. Most recently, 1823 was updated on October 30, 2026 and KOI Keyboard on October 28, 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.*