# Hello! Word vs Define

The clearest difference is iOS requirement: Hello! Word at 12.0 against Define's 26.0. 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.

Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on November 8, 2026 and November 14, 2026 respectively.

## The numbers

| Metric | Hello! Word | Define |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 days | Every 4 days |
| Size | 33 MB | 10 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Kohei Imabayashi](https://appshunter.io/developer/1780872848) | [Virtual GS](https://appshunter.io/developer/302652687) |

## What reviewers say

### Hello! Word

[App page](https://appshunter.io/ios/app/hello-word/id6742373610)

**In-app purchases:** none


### Define

[App page](https://appshunter.io/ios/app/define-ai-dictionary/id6752530634)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Hello! Word free?

Hello! Word is free to download, with no in-app purchases.

### Is Define free?

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

### Do Hello! Word or Define have ads?

Neither Hello! Word nor Define shows ads.

### Which is updated more often, Hello! Word or Define?

Hello! Word ships an update every 4 days, and Define every 4 days. Most recently, Hello! Word was updated on November 8, 2026 and Define on November 14, 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.*