# TK Smart Battery vs Chatboard

The clearest difference is update cadence: TK Smart Battery at every 6 weeks against Chatboard's every 7 months. TK Smart Battery also leads on iOS requirement (9.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TK Smart Battery ships an update every 6 weeks, Chatboard every 7 months. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | TK Smart Battery | Chatboard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/chatboard-use-ai-everywhere/id6447478568/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 7 months |
| Monetization | — | Free |
| Size | 30 MB | 37 MB |
| Requires iOS | **9.0** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [应刚 郑](https://appshunter.io/developer/1446858821) | [Kyle Halevi](https://appshunter.io/developer/1086402903) |

## What reviewers say

### TK Smart Battery

[App page](https://appshunter.io/ios/app/tk-smart-battery/id1562610645)

**Features:** macOS Compatibility

**In-app purchases:** none


### Chatboard

[App page](https://appshunter.io/ios/app/chatboard-use-ai-everywhere/id6447478568)

Access advanced AI models directly from your keyboard. Effortlessly get AI-powered responses for tasks like rewriting emails or finding recommendations while chatting. Integrates with multiple AI providers and personal context securely.

**Highlights:** Access AI models from any app, Rewrite and summarize text, Get recommendations on the go, Integrates with multiple AI providers, Secure personal context integration, View and manage past prompts

**Features:** iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is TK Smart Battery free?

TK Smart Battery is free to download, with no in-app purchases.

### Is Chatboard free?

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

### Do TK Smart Battery or Chatboard have ads?

Neither TK Smart Battery nor Chatboard shows ads.

### Which is updated more often, TK Smart Battery or Chatboard?

TK Smart Battery ships an update every 6 weeks, and Chatboard every 7 months. Most recently, TK Smart Battery was updated on November 7, 2026 and Chatboard on November 3, 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.*