# Keyboard AI vs RapidObs3

The clearest difference is update cadence: Keyboard AI at monthly against RapidObs3's every 11 months. RapidObs3's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Keyboard AI sells 2 in-app purchases, starting at $7.99 per month and RapidObs3 sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

Keyboard AI ships an update monthly, RapidObs3 every 11 months. The most recent releases landed on October 24, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Keyboard AI | RapidObs3 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (348 ratings)](https://appshunter.io/ios/app/keyboard-ai/id6447576804/reviews)** | — |
| Number of ratings | **348** | — |
| Positive reviews | 38.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 11 months |
| Monetization | Free with in-app purchases | — |
| Size | 25 MB | 6 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Irina Scelcunova](https://appshunter.io/developer/1737748446) | [Henry Education Pty Ltd](https://appshunter.io/developer/1212233642) |

## What reviewers say

### Keyboard AI

[App page](https://appshunter.io/ios/app/keyboard-ai/id6447576804)

Enhance your texting and writing with an AI assistant that checks grammar, paraphrases text, writes creative content like poems, suggests replies, and translates languages. Make every message clear, engaging, and efficient.

**Highlights:** Grammar checking, Text paraphrasing, Poem generation, Reply suggestions, Language translation

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium for one month | $7.99 | per month |
| Premium for one year | $49.99 | per year |

**What reviewers like**

- 👍 Good
- 👍 Nice
- 👍 Ligero
- 👍 Buena
- 👍 Todo bien

**What reviewers complain about**

- 💸 Scam, takes money
- 🐛 Doesn't work
- 🐛 Keyboard not available
- 🐛 Removed writing
- 🐛 Can't connect to internet

**Reported bugs**

- Keyboard not available
- Removed half of essay
- Couldn't connect to the internet
- Encountered monthly usage limit
- Not granted access after payment

**Requested features**

- Make it free
- Provide email for complaints


### RapidObs3

[App page](https://appshunter.io/ios/app/rapidobs3/id6451210104)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 More Obs | $7.99 | per month |
| 30 More Obs | $14.99 | per month |


## Frequently asked questions

### Is Keyboard AI free?

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

### Is RapidObs3 free?

RapidObs3 is free to download, with in-app purchases available.

### Do Keyboard AI or RapidObs3 have ads?

Neither Keyboard AI nor RapidObs3 shows ads.

### Which is updated more often, Keyboard AI or RapidObs3?

Keyboard AI ships an update monthly, and RapidObs3 every 11 months. Most recently, Keyboard AI was updated on October 24, 2026 and RapidObs3 on October 4, 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.*