# FirstKaruta vs AIで理科学習

The clearest difference is price: AIで理科学習 at Free against FirstKaruta's $3.99. AIで理科学習 also leads on update cadence (every 2 days vs fortnightly) and iOS requirement (13.0 vs 15.0). FirstKaruta's advantage is ads (none vs shown). On in-app purchases and device support there is nothing between them.

AIで理科学習 is free to download; FirstKaruta costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

FirstKaruta ships an update fortnightly, AIで理科学習 every 2 days. Both last shipped on October 9, 2026.

## The numbers

| Metric | FirstKaruta | AIで理科学習 |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Positive reviews | 70.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | Paid | — |
| Size | 149 MB | 202 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [polygondrill co.,Ltd.](https://appshunter.io/developer/952010791) | [Kaito Tomooka](https://appshunter.io/developer/1847136005) |

## What reviewers say

### FirstKaruta

[App page](https://appshunter.io/ios/app/firstkaruta/id952010792)

This app helps children memorize the Hyakunin Isshu by breaking down the 100 poems into smaller groups. It offers various menus, including practice modes, a cat character opponent, and a quick memorization tool, all with furigana and child-friendly explanations.

**Highlights:** Memorize poems in small groups, Furigana for all text, Child-friendly explanations of poem meanings, Audio readings by a professional voice actor, Practice modes and opponent battles, Quick memorization tool for fixed phrases, Includes 101 poems, including competitive karuta intro songs

**Features:** macOS Compatibility

**In-app purchases:** none


### AIで理科学習

[App page](https://appshunter.io/ios/app/ai/id6754214732)

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

**In-app purchases:** none


## Frequently asked questions

### Is FirstKaruta free?

FirstKaruta costs $3.99, with no in-app purchases.

### Is AIで理科学習 free?

AIで理科学習 is free to download, with no in-app purchases.

### Do FirstKaruta or AIで理科学習 have ads?

AIで理科学習 shows ads; FirstKaruta does not.

### Which is updated more often, FirstKaruta or AIで理科学習?

FirstKaruta ships an update fortnightly, and AIで理科学習 every 2 days. Most recently, FirstKaruta was updated on October 9, 2026 and AIで理科学習 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.*