# 대대장 배터리 vs Keyfred

The clearest difference is in-app purchases: 대대장 배터리 at none against Keyfred's 6. Keyfred's advantage is update cadence (every 3 days vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Keyfred sells 6 in-app purchases, starting at $2.99 per month. 대대장 배터리 asks for nothing beyond the download.

대대장 배터리 ships an update every 3 months, Keyfred every 3 days. The most recent releases landed on October 3, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | 대대장 배터리 | Keyfred |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 89.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 days** |
| Monetization | — | Freemium |
| Size | 38 MB | 76 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Quantumcat Co.,Ltd.](https://appshunter.io/developer/1770969456) | [Keyfred Inc.](https://appshunter.io/developer/1878124574) |

## What reviewers say

### 대대장 배터리

[App page](https://appshunter.io/ios/app/id6745372439)

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

**In-app purchases:** none


### Keyfred

[App page](https://appshunter.io/ios/app/keyfred/id6759333022)

Enhance your writing with an AI-powered keyboard that offers real-time, context-aware corrections and translations. It intelligently adapts to your writing style and situation, ensuring flawless communication across all your apps.

**Highlights:** Context-driven AI correction, 15 personas for tone rewriting, Instant translation in 8 languages, Clipboard translation, AI image translation, Auto-correction alerts, Smart prediction and completion

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Keyfred Pro Monthly | $2.99 | per month |
| Keyfred Pro 6 Months | $14.99 | per 6 months |
| Keyfred Pro Yearly | $24.99 | per year |
| 100 Credits | $4.99 | one-time |
| 300 Credits | $9.99 | one-time |
| 500 Credits | $12.99 | one-time |


## Frequently asked questions

### Is 대대장 배터리 free?

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

### Is Keyfred free?

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

### Do 대대장 배터리 or Keyfred have ads?

Neither 대대장 배터리 nor Keyfred shows ads.

### Which is updated more often, 대대장 배터리 or Keyfred?

대대장 배터리 ships an update every 3 months, and Keyfred every 3 days. Most recently, 대대장 배터리 was updated on October 3, 2026 and Keyfred on October 11, 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.*