# OKIDO vs Tatnuck

The clearest difference is in-app purchases: Tatnuck at none against OKIDO's 10. Tatnuck also leads on update cadence (every 4 months vs every 13 months). OKIDO's advantage is iOS requirement (8.0 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. OKIDO sells 10 one-off in-app purchases. Tatnuck asks for nothing beyond the download.

OKIDO ships an update every 13 months, Tatnuck every 4 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | OKIDO | Tatnuck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/okido/id945661872/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 4 months** |
| Monetization | Free with in-app purchases | — |
| Size | 23 MB | 75 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Magzter Inc.](https://appshunter.io/developer/406791755) | [Tatnuck](https://appshunter.io/developer/1646063175) |

## What reviewers say

### OKIDO

[App page](https://appshunter.io/ios/app/okido/id945661872)

This app offers a digital magazine focused on arts and science for children aged 3 to 8. It provides engaging content to spark curiosity and learning in young minds. Subscriptions are available for purchase within the app.

**Highlights:** Arts and science content, For children aged 3-8, Digital magazine format, Subscription available, Educational content

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Issue 61 | $3.99 | one-time |
| OKIDO Issue 102 | $3.99 | one-time |
| OKIDO Issue 103 | $3.99 | one-time |
| Okido Issue 104 | $3.99 | one-time |
| Okido Issue 105 | $3.99 | one-time |
| OKIDO Issue 106 | $3.99 | one-time |
| OKIDO Issue 107 | $3.99 | one-time |
| OKIDO 108 | $3.99 | one-time |
| OKIDO - Issue 109 | $3.99 | one-time |
| OKIDO - Issue 110 | $3.99 | one-time |


### Tatnuck

[App page](https://appshunter.io/ios/app/tatnuck/id6443454133)

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

**In-app purchases:** none


## Frequently asked questions

### Is OKIDO free?

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

### Is Tatnuck free?

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

### Do OKIDO or Tatnuck have ads?

Neither OKIDO nor Tatnuck shows ads.

### Which is updated more often, OKIDO or Tatnuck?

OKIDO ships an update every 13 months, and Tatnuck every 4 months. Most recently, OKIDO was updated on November 1, 2026 and Tatnuck on November 3, 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.*