# Words Inventor vs Grumpy AI

The clearest difference is price: Grumpy AI at Free against Words Inventor's $2.99. Grumpy AI also leads on ads (none vs shown). Words Inventor's advantage is in-app purchases (none vs 3) and update cadence (every 11 days vs every 5 weeks). On device support there is nothing between them.

Grumpy AI is free to download; Words Inventor costs $2.99 up front. Grumpy AI sells 3 one-off in-app purchases. Words Inventor asks for nothing beyond the download.

Words Inventor ships an update every 11 days, Grumpy AI every 5 weeks. The most recent releases landed on October 10, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Words Inventor | Grumpy AI |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/words-inventor/id1549888414/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 11 days** | Every 5 weeks |
| Monetization | Paid | — |
| Size | 18 MB | 45 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Eduardo Revilla Vaquero](https://appshunter.io/developer/806472602) | [Lexor Axiom](https://appshunter.io/developer/1881596273) |

## What reviewers say

### Words Inventor

[App page](https://appshunter.io/ios/app/words-inventor/id1549888414)

This app generates unique, never-before-heard words with a single tap. It's perfect for artists, entrepreneurs, writers, and anyone who enjoys playing with language to name projects, characters, or simply for fun.

**Highlights:** Generates unique words, Unlimited creativity, Originality guaranteed, Easy one-tap usage, Fun and entertaining

**Features:** macOS Compatibility

**In-app purchases:** none


### Grumpy AI

[App page](https://appshunter.io/ios/app/grumpy-ai/id6759912523)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 500 Tokens | $4.99 | one-time |
| 1000 Tokens | $7.99 | one-time |
| 5005 Tokens | $18.99 | one-time |


## Frequently asked questions

### Is Words Inventor free?

Words Inventor costs $2.99, with no in-app purchases.

### Is Grumpy AI free?

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

### Do Words Inventor or Grumpy AI have ads?

Words Inventor shows ads; Grumpy AI does not.

### Which is updated more often, Words Inventor or Grumpy AI?

Words Inventor ships an update every 11 days, and Grumpy AI every 5 weeks. Most recently, Words Inventor was updated on October 10, 2026 and Grumpy AI on October 22, 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.*