# OX21 vs LumiTube

The clearest difference is update cadence: OX21 at every 4 days against LumiTube's monthly. OX21 also leads on iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. OX21 sells 2 one-off in-app purchases and LumiTube sells 4 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

OX21 ships an update every 4 days, LumiTube monthly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | OX21 | LumiTube |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (7 ratings)](https://appshunter.io/ios/app/lumitube/id6756086663/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Monthly |
| Monetization | — | Subscription |
| Size | 68 MB | 65 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Pudu Incubator Inc](https://appshunter.io/developer/1532852141) | [Adam Rustad](https://appshunter.io/developer/1850555763) |

## What reviewers say

### OX21

[App page](https://appshunter.io/ios/app/ox21/id1635344088)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OX21 1440 points | $5.99 | one-time |
| JIN | $5.99 | one-time |


### LumiTube

[App page](https://appshunter.io/ios/app/lumitube/id6756086663)

This app uses AI to curate a personalized YouTube feed for children based on family values and interests. It screens content 24/7, blocks inappropriate videos, and helps children develop healthy screen time habits with guided breathing exercises. Parents can manage settings, track viewing, and set screen time limits through a dedicated dashboard.

**Highlights:** AI-powered content screening, Personalized video feeds, Parental control dashboard, Screen time limits and scheduling, Guided breathing exercises, Weekly SMS reports, Content topic customization

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LumiTube Premium Monthly | $4.99 | per month |
| LumiTube Premium | $7.99 | per month |
| LumiTube Premium | $9.99 | per month |
| LumiTube Premium Yearly | $34.99 | per year |


## Frequently asked questions

### Is OX21 free?

OX21 is free to download, with in-app purchases available.

### Is LumiTube free?

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

### Do OX21 or LumiTube have ads?

Neither OX21 nor LumiTube shows ads.

### Which is updated more often, OX21 or LumiTube?

OX21 ships an update every 4 days, and LumiTube monthly. Most recently, OX21 was updated on November 3, 2026 and LumiTube on October 30, 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.*