# KeyboardAI vs Authenticator App

The clearest difference is iOS requirement: KeyboardAI at 15.0 against Authenticator App's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. KeyboardAI sells 4 in-app purchases, starting at $4.99 per 7 days and Authenticator App sells 3 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | KeyboardAI | Authenticator App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (8 ratings)](https://appshunter.io/ios/app/keyboardai-ai-extension/id6468566783/reviews)** | — |
| Number of ratings | **8** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 73 MB | 168 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [TOMOSIA VIET NAM COMPANY LIMITED](https://appshunter.io/developer/1521228332) | [REVENTY TEKNOLOJI ANONIM SIRKETI](https://appshunter.io/developer/1719623969) |

## What reviewers say

### KeyboardAI

[App page](https://appshunter.io/ios/app/keyboardai-ai-extension/id6468566783)

Enhance your writing with AI-powered tools for grammar checking, translation, paraphrasing, and smart replies. Get instant insights and suggestions to improve your communication.

**Highlights:** Grammar checking, AI-powered suggestions, Text translation, Paraphrasing sentences, Smart reply generation, Synonym finder

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| Six-Month subscription. | $14.99 | per 6 months |
| Yearly subscription | $24.99 | per year |
| Lifetime subscription | $49.99 | one-time |


### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-2fa-otp/id6748644516)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Authenticator Premium Trial | $7.99 | per 7 days |
| Authenticator Premium Monthly | $14.99 | per month |
| Authenticator2fa Premium | $59.99 | per year |


## Frequently asked questions

### Is KeyboardAI free?

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

### Is Authenticator App free?

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

### Do KeyboardAI or Authenticator App have ads?

Neither KeyboardAI nor Authenticator App shows ads.

### Which is updated more often, KeyboardAI or Authenticator App?

KeyboardAI ships an update every 2 weeks, and Authenticator App every 2 weeks. Most recently, KeyboardAI was updated on October 24, 2026 and Authenticator App on October 28, 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.*