# ring つなげる知識、ひろげる輪 vs ココミラ｜最速で共通テスト8割目指せる動画アプリ

The clearest difference is in-app purchases: ココミラ｜最速で共通テスト8割目指せる動画アプリ at none against ring つなげる知識、ひろげる輪's 3. ココミラ｜最速で共通テスト8割目指せる動画アプリ also leads on ads (none vs shown) and update cadence (every 10 days vs monthly). ring つなげる知識、ひろげる輪's advantage is iOS requirement (13.0 vs 17.0). On price and device support there is nothing between them.

Both are free to download. ring つなげる知識、ひろげる輪 sells 3 in-app purchases, starting at $0.99 per month. ココミラ｜最速で共通テスト8割目指せる動画アプリ asks for nothing beyond the download.

ring つなげる知識、ひろげる輪 ships an update monthly, ココミラ｜最速で共通テスト8割目指せる動画アプリ every 10 days. The most recent releases landed on October 6, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | ring つなげる知識、ひろげる輪 | ココミラ｜最速で共通テスト8割目指せる動画アプリ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (4 ratings)](https://appshunter.io/ios/app/ring/id1530177505/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 10 days** |
| Monetization | Free with in-app purchases | — |
| Size | 73 MB | 57 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [STARDY, K.K.](https://appshunter.io/developer/1530177507) | [KOKOMIRAI, K.K.](https://appshunter.io/developer/1663398018) |

## What reviewers say

### ring つなげる知識、ひろげる輪

[App page](https://appshunter.io/ios/app/ring/id1530177505)

Create and share flashcards with images, equations, and illustrations. Generate quizzes from card sets for study or friendly competition. Save and search for card sets to learn from others.

**Highlights:** Create flashcards with images, Share flashcards with others, Generate quizzes from card sets, Track study progress, Save favorite card sets, Search for card sets by genre

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1ヶ月快適プラン120円 | $0.99 | per month |
| 6ヶ月快適プラン500円 | $4.49 | per 6 months |
| 1年快適プラン980円 | $8.99 | per year |

**What reviewers like**

- 👍 Simple and easy to see
- 👍 Easy to understand by grade
- 👍 Easy to memorize and study anywhere
- 👍 Can create own cards, use others'
- 👍 Best flashcard app, used for 5 years

**What reviewers complain about**

- 🐛 Slow loading and saving
- 🐛 Limited features
- 🐛 Not compatible with iPhone only
- 🐛 App crashes frequently
- 🐛 Slow startup sometimes

**Reported bugs**

- App crashes when publishing
- Saving and publishing takes over 30 minutes
- App crashes during editing
- Data lost when app crashes
- App freezes on title screen

**Requested features**

- Ability to change card order during creation
- Faster load times
- Ability to review only marked words
- Predictive text for card backs
- Ability to add cards to existing sets easily


### ココミラ｜最速で共通テスト8割目指せる動画アプリ

[App page](https://appshunter.io/ios/app/8/id1663436977)

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

**In-app purchases:** none


## Frequently asked questions

### Is ring つなげる知識、ひろげる輪 free?

ring つなげる知識、ひろげる輪 is free to download, with in-app purchases available.

### Is ココミラ｜最速で共通テスト8割目指せる動画アプリ free?

ココミラ｜最速で共通テスト8割目指せる動画アプリ is free to download, with no in-app purchases.

### Do ring つなげる知識、ひろげる輪 or ココミラ｜最速で共通テスト8割目指せる動画アプリ have ads?

ring つなげる知識、ひろげる輪 shows ads; ココミラ｜最速で共通テスト8割目指せる動画アプリ does not.

### Which is updated more often, ring つなげる知識、ひろげる輪 or ココミラ｜最速で共通テスト8割目指せる動画アプリ?

ring つなげる知識、ひろげる輪 ships an update monthly, and ココミラ｜最速で共通テスト8割目指せる動画アプリ every 10 days. Most recently, ring つなげる知識、ひろげる輪 was updated on October 6, 2026 and ココミラ｜最速で共通テスト8割目指せる動画アプリ on October 1, 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.*