# Jottable Flash Cards vs あかほん！ プロトタイプA

The clearest difference is price: あかほん！ プロトタイプA at Free against Jottable Flash Cards's $0.99. あかほん！ プロトタイプA also leads on update cadence (every 4 weeks vs every 5 months) and device support (3 vs 1). On ads and in-app purchases there is nothing between them.

あかほん！ プロトタイプA is free to download; Jottable Flash Cards costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Jottable Flash Cards ships an update every 5 months, あかほん！ プロトタイプA every 4 weeks. The most recent releases landed on October 5, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Jottable Flash Cards | あかほん！ プロトタイプA |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/a/id1438322285/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 55.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 weeks** |
| Monetization | Paid | **Free** |
| Size | 4 MB | 88 MB |
| Requires iOS | 16.0 | **7.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Satoshi Horiguchi](https://appshunter.io/developer/310504293) | [Nobumitsu Shikine](https://appshunter.io/developer/1361521847) |

## What reviewers say

### Jottable Flash Cards

[App page](https://appshunter.io/ios/app/jottable-flash-cards/id434517635)

Create and study custom flashcards with advanced features like multiple memos per card, automatic flipping, and import/export options. Organize your study materials efficiently with this versatile educational tool.

**Highlights:** Customizable flashcards with multiple memos, Automatic card flipping, Import/export text files, Search and reorder cards, Hide cards by dragging, Supports Retina displays

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

**In-app purchases:** none


### あかほん！ プロトタイプA

[App page](https://appshunter.io/ios/app/a/id1438322285)

This app uses a unique story-driven approach to help users learn calculus concepts like differentiation. Follow characters through engaging dialogues that explain complex math topics at your own pace.

**Highlights:** Story-driven learning, Interactive dialogues, Calculus concepts (differentiation), Character-based guidance, NOVELICA system, Self-paced learning

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Jottable Flash Cards free?

Jottable Flash Cards costs $0.99, with no in-app purchases.

### Is あかほん！ プロトタイプA free?

あかほん！ プロトタイプA is free to download, with no in-app purchases.

### Do Jottable Flash Cards or あかほん！ プロトタイプA have ads?

Neither Jottable Flash Cards nor あかほん！ プロトタイプA shows ads.

### Which is updated more often, Jottable Flash Cards or あかほん！ プロトタイプA?

Jottable Flash Cards ships an update every 5 months, and あかほん！ プロトタイプA every 4 weeks. Most recently, Jottable Flash Cards was updated on October 5, 2026 and あかほん！ プロトタイプA on September 21, 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.*