# Word Frequency Counter vs Ai_Engineering

The clearest difference is iOS requirement: Word Frequency Counter at 12.0 against Ai_Engineering's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Word Frequency Counter ships an update every 9 days, Ai_Engineering every 3 weeks. The most recent releases landed on November 13, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Word Frequency Counter | Ai_Engineering |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Size | 38 MB | 7 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [TAEHUN KU](https://appshunter.io/developer/1578437857) | [Luke Mclaughlin](https://appshunter.io/developer/1893671036) |

## What reviewers say

### Word Frequency Counter

[App page](https://appshunter.io/ios/app/word-frequency-counter/id1631799598)

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

**In-app purchases:** none


### Ai_Engineering

[App page](https://appshunter.io/ios/app/ai-engineering/id6789624272)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Word Frequency Counter free?

Word Frequency Counter is free to download, with no in-app purchases.

### Is Ai_Engineering free?

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

### Do Word Frequency Counter or Ai_Engineering have ads?

Neither Word Frequency Counter nor Ai_Engineering shows ads.

### Which is updated more often, Word Frequency Counter or Ai_Engineering?

Word Frequency Counter ships an update every 9 days, and Ai_Engineering every 3 weeks. Most recently, Word Frequency Counter was updated on November 13, 2026 and Ai_Engineering on November 10, 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.*