# Socket2U Charging vs Butter Keyboard

The clearest difference is in-app purchases: Socket2U Charging at none against Butter Keyboard's 5. Socket2U Charging also leads on iOS requirement (15.1 vs 17.5). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Butter Keyboard sells 5 one-off in-app purchases. Socket2U Charging asks for nothing beyond the download.

Socket2U Charging ships an update every 6 weeks, Butter Keyboard every 5 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Socket2U Charging | Butter Keyboard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (7 ratings)](https://appshunter.io/ios/app/butter-keyboard/id6760626567/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 59 MB | 81 MB |
| Requires iOS | **15.1** | 17.5 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Socket2U Charging LLC](https://appshunter.io/developer/1855793884) | [Spread Butter Inc.](https://appshunter.io/developer/1885391876) |

## What reviewers say

### Socket2U Charging

[App page](https://appshunter.io/ios/app/socket2u-charging/id6755713572)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Butter Keyboard

[App page](https://appshunter.io/ios/app/butter-keyboard/id6760626567)

Design and save unique keyboard layouts to personalize your typing experience. Express your style, mood, or brand with a fully customizable keyboard that feels uniquely yours.

**Highlights:** Create custom keyboard designs, Save multiple layouts, Switch between favorite styles, Personalize typing look and feel, Build keyboard layouts

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 80 Bread | $0.99 | one-time |
| 425 Bread | $4.99 | one-time |
| 930 Bread | $9.99 | one-time |
| 2600 Bread | $24.99 | one-time |
| 6500 Bread | $49.99 | one-time |


## Frequently asked questions

### Is Socket2U Charging free?

Socket2U Charging is free to download, with no in-app purchases.

### Is Butter Keyboard free?

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

### Do Socket2U Charging or Butter Keyboard have ads?

Neither Socket2U Charging nor Butter Keyboard shows ads.

### Which is updated more often, Socket2U Charging or Butter Keyboard?

Socket2U Charging ships an update every 6 weeks, and Butter Keyboard every 5 weeks. Most recently, Socket2U Charging was updated on October 24, 2026 and Butter Keyboard on October 24, 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.*