# sing vs MonsterKeyboard

The clearest difference is device support: sing at 4 against MonsterKeyboard's 2. sing also leads on iOS requirement (15.0 vs 18.0). On price, update cadence, 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.

sing ships an update every 2 weeks, MonsterKeyboard weekly. The most recent releases landed on October 25, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | sing | MonsterKeyboard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (129 ratings)](https://appshunter.io/ios/app/sing-box-mt/id6785326793/reviews)** | — |
| Number of ratings | **129** | — |
| Positive reviews | 93.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Free | — |
| Size | 94 MB | 8 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Metamerism LLC](https://appshunter.io/developer/6785326795) | [Emilio Lutchman](https://appshunter.io/developer/6806402172) |

## What reviewers say

### sing

[App page](https://appshunter.io/ios/app/sing-box-mt/id6785326793)

A versatile proxy platform designed for universal connectivity. It enables users to manage and route network traffic efficiently across various devices and services.

**Highlights:** Universal proxy management, Efficient network traffic routing, Cross-device connectivity, Proxy platform functionality

**Features:** Vision Pro support

**In-app purchases:** none


### MonsterKeyboard

[App page](https://appshunter.io/ios/app/monsterkeyboard/id6806402169)

**Features:** iMessage stickers

**In-app purchases:** none


## Frequently asked questions

### Is sing free?

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

### Is MonsterKeyboard free?

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

### Do sing or MonsterKeyboard have ads?

Neither sing nor MonsterKeyboard shows ads.

### Which is updated more often, sing or MonsterKeyboard?

sing ships an update every 2 weeks, and MonsterKeyboard weekly. Most recently, sing was updated on October 25, 2026 and MonsterKeyboard on October 16, 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.*