# BatterySync vs AI Keyboard

The clearest difference is update cadence: AI Keyboard at weekly against BatterySync's every 2 months. BatterySync's advantage is iOS requirement (15.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. BatterySync sells 2 in-app purchases, starting at $3.99 per month and AI Keyboard sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

BatterySync ships an update every 2 months, AI Keyboard weekly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | BatterySync | AI Keyboard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.7 (3 ratings)](https://appshunter.io/ios/app/ai-keyboard-whiskey/id6753137229/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | — | Freemium |
| Size | 61 MB | 230 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Epsilon Labs, LLC.](https://appshunter.io/developer/1773895537) | [Bingjun Li](https://appshunter.io/developer/1724710405) |

## What reviewers say

### BatterySync

[App page](https://appshunter.io/ios/app/batterysync/id6740754706)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BatterySync Premium Monthly | $3.99 | per month |
| BatterySync Premium Yearly | $39.99 | per year |


### AI Keyboard

[App page](https://appshunter.io/ios/app/ai-keyboard-whiskey/id6753137229)

This dictation app offers fast, private voice-to-text conversion directly on your device. It supports over 12 languages and features a custom keyboard for seamless integration into other apps. Choose from different AI models for optimal accuracy and storage efficiency.

**Highlights:** On-device AI processing, Multilingual support (12+ languages), Custom keyboard integration, Selectable AI model sizes, Dynamic Island integration, Built-in tutorial

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WhisKey Pro | $0.99 | per month |
| WhisKey Pro Annual | $9.99 | per year |


## Frequently asked questions

### Is BatterySync free?

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

### Is AI Keyboard free?

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

### Do BatterySync or AI Keyboard have ads?

Neither BatterySync nor AI Keyboard shows ads.

### Which is updated more often, BatterySync or AI Keyboard?

BatterySync ships an update every 2 months, and AI Keyboard weekly. Most recently, BatterySync was updated on October 25, 2026 and AI 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.*