# 理科問題3700 vs 花言葉＆花図鑑

The clearest difference is review sentiment: 花言葉＆花図鑑 at 100% against 理科問題3700's 46%. 理科問題3700's advantage is update cadence (every 6 months vs every 26 months) and iOS requirement (15.6 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

理科問題3700 ships an update every 6 months, 花言葉＆花図鑑 every 26 months. The most recent releases landed on September 30, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | 理科問題3700 | 花言葉＆花図鑑 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 46.2% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 6 months** | Every 26 months |
| Monetization | Ad-supported | — |
| Size | 14 MB | 357 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mejiro Publications](https://appshunter.io/developer/384877298) | [Akio SHIMURA](https://appshunter.io/developer/1279822048) |

## What reviewers say

### 理科問題3700

[App page](https://appshunter.io/ios/app/3700/id413622109)

This free science learning app offers 3700 questions across 27 subjects, including basic and advanced topics from middle school to university entrance levels. It features quiz-style learning for general knowledge and includes progress tracking with options to review incorrect answers.

**Highlights:** 3700 science questions, 27 subject categories, Basic to advanced levels, Quiz format, Progress tracking, Review incorrect answers

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

**In-app purchases:** none


### 花言葉＆花図鑑

[App page](https://appshunter.io/ios/app/id1363523321)

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

**In-app purchases:** none


## Frequently asked questions

### Is 理科問題3700 free?

理科問題3700 is free to download, with no in-app purchases.

### Is 花言葉＆花図鑑 free?

花言葉＆花図鑑 is free to download, with no in-app purchases.

### Do 理科問題3700 or 花言葉＆花図鑑 have ads?

Both 理科問題3700 and 花言葉＆花図鑑 show ads.

### Which is updated more often, 理科問題3700 or 花言葉＆花図鑑?

理科問題3700 ships an update every 6 months, and 花言葉＆花図鑑 every 26 months. Most recently, 理科問題3700 was updated on September 30, 2026 and 花言葉＆花図鑑 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.*