# AI Keyboard・ReplyAssistant vs OBDX

The clearest difference is device support: AI Keyboard・ReplyAssistant at 3 against OBDX's 1. AI Keyboard・ReplyAssistant also leads on iOS requirement (15.6 vs 18.6). On price, ads and in-app purchases there is nothing between them.

Both are free to download. AI Keyboard・ReplyAssistant sells 2 in-app purchases, starting at $1.99 per month and OBDX sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | AI Keyboard・ReplyAssistant | OBDX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (25 ratings)](https://appshunter.io/ios/app/ai-keyboardreplyassistant/id1664247219/reviews)** | — |
| Number of ratings | **25** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 18 MB | 26 MB |
| Requires iOS | **15.6** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Elsayed Hussein](https://appshunter.io/developer/1332815700) | [Andreas Par Gunnar Naslund](https://appshunter.io/developer/1868064636) |

## What reviewers say

### AI Keyboard・ReplyAssistant

[App page](https://appshunter.io/ios/app/ai-keyboardreplyassistant/id1664247219)

Enhance your writing with an AI-powered keyboard that offers grammar checking, translation, and content generation. Seamlessly improve messages, emails, and documents with intelligent suggestions and paraphrasing tools.

**Highlights:** Grammar and spell check, Instant translation, AI-powered paraphrasing, Content generation, PDF question answering, Customizable prompts

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro Subscription | $1.99 | per month |
| Yearly Pro Subscription | $19.99 | per year |


### OBDX

[App page](https://appshunter.io/ios/app/obdx/id6760668304)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Handoff Unlock | $14.99 | one-time |


## Frequently asked questions

### Is AI Keyboard・ReplyAssistant free?

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

### Is OBDX free?

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

### Do AI Keyboard・ReplyAssistant or OBDX have ads?

Neither AI Keyboard・ReplyAssistant nor OBDX shows ads.

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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.*