# Lumize vs O Words

The clearest difference is ads: Lumize at none against O Words's shown. Lumize also leads on update cadence (every 3 days vs every 2 weeks). O Words's advantage is device support (3 vs 1). On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Lumize sells 2 in-app purchases, starting at $6.99 per month and O Words sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Lumize ships an update every 3 days, O Words every 2 weeks. The most recent releases landed on October 25, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Lumize | O Words |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 2 weeks |
| Size | 77 MB | 58 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Lumize](https://appshunter.io/developer/1670217279) | [Alp Can Marangoz](https://appshunter.io/developer/1655568075) |

## What reviewers say

### Lumize

[App page](https://appshunter.io/ios/app/lumize-learn-and-remember/id1670217277)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lumize Gold Monthly | $6.99 | per month |
| Lumize Gold Yearly | $34.99 | per year |


### O Words

[App page](https://appshunter.io/ios/app/o-words/id6477305214)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month of Premium. | $0.99 | per month |
| 1 Year of Premium. | $5.99 | per year |


## Frequently asked questions

### Is Lumize free?

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

### Is O Words free?

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

### Do Lumize or O Words have ads?

O Words shows ads; Lumize does not.

### Which is updated more often, Lumize or O Words?

Lumize ships an update every 3 days, and O Words every 2 weeks. Most recently, Lumize was updated on October 25, 2026 and O Words on October 9, 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.*