# PLATINUM NAVI vs 学研　もじ・かず・ちえ　幼児知育アプリ

The clearest difference is update cadence: PLATINUM NAVI at fortnightly against 学研　もじ・かず・ちえ　幼児知育アプリ's every 18 months. PLATINUM NAVI also leads on iOS requirement (12.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PLATINUM NAVI sells 1 in-app purchase, starting at $43.99 per month and 学研　もじ・かず・ちえ　幼児知育アプリ sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

PLATINUM NAVI ships an update fortnightly, 学研　もじ・かず・ちえ　幼児知育アプリ every 18 months. The most recent releases landed on October 15, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | PLATINUM NAVI | 学研　もじ・かず・ちえ　幼児知育アプリ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 18 months |
| Size | 192 MB | 712 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ANALOG TWELVE Co., Ltd.](https://appshunter.io/developer/365469948) | [Gakken CO.,LTD](https://appshunter.io/developer/294791161) |

## What reviewers say

### PLATINUM NAVI

[App page](https://appshunter.io/ios/app/platinum-navi/id6443807802)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プラチナムコース | $43.99 | per month |


### 学研　もじ・かず・ちえ　幼児知育アプリ

[App page](https://appshunter.io/ios/app/id6444698979)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 学研の幼児ワーク　できるかな３歳フルバージョン | $3.99 | one-time |
| 学研の幼児ワーク　できるかな５歳フルバージョン | $3.99 | one-time |
| 学研の幼児ワーク　できるかな４歳フルバージョン | $3.99 | one-time |


## Frequently asked questions

### Is PLATINUM NAVI free?

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

### Is 学研　もじ・かず・ちえ　幼児知育アプリ free?

学研　もじ・かず・ちえ　幼児知育アプリ is free to download, with in-app purchases available.

### Do PLATINUM NAVI or 学研　もじ・かず・ちえ　幼児知育アプリ have ads?

Neither PLATINUM NAVI nor 学研　もじ・かず・ちえ　幼児知育アプリ shows ads.

### Which is updated more often, PLATINUM NAVI or 学研　もじ・かず・ちえ　幼児知育アプリ?

PLATINUM NAVI ships an update fortnightly, and 学研　もじ・かず・ちえ　幼児知育アプリ every 18 months. Most recently, PLATINUM NAVI was updated on October 15, 2026 and 学研　もじ・かず・ちえ　幼児知育アプリ 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.*