# ring つなげる知識、ひろげる輪 vs Vulpe

The clearest difference is rating: Vulpe at 4.3 against ring つなげる知識、ひろげる輪's 3.3. Vulpe also leads on review sentiment (95% vs 67%) and update cadence (every 2 weeks vs monthly). On price, ratings volume, ads and in-app purchases 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 and Vulpe sells 4 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Vulpe holds the better App Store score, 4.3 against 3.3. Both are backed by a comparable volume of ratings — 4 and 4 respectively. Written reviews point the same way: 67% of ring つなげる知識、ひろげる輪's written reviews are positive against 95% of Vulpe's.

ring つなげる知識、ひろげる輪 ships an update monthly, Vulpe every 2 weeks. The most recent releases landed on October 14, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | ring つなげる知識、ひろげる輪 | Vulpe |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (4 ratings)](https://appshunter.io/ios/app/ring/id1530177505/reviews) | **[4.3 (4 ratings)](https://appshunter.io/ios/app/vulpe-study-with-a-plan/id6443739008/reviews)** |
| Number of ratings | 4 | 4 |
| Positive reviews | 66.7% of reviews | **95.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 73 MB | 188 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [STARDY, K.K.](https://appshunter.io/developer/1530177507) | [UniLink Inc.](https://appshunter.io/developer/1100530980) |

## 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


### Vulpe

[App page](https://appshunter.io/ios/app/vulpe-study-with-a-plan/id6443739008)

This app helps you manage your reading goals by breaking down large books into daily page targets. It visualizes your progress, alerting you if you're ahead or behind schedule. Log your daily study sessions to stay on track and achieve your academic objectives.

**Highlights:** Set book completion dates, Calculate daily page goals, Log daily study progress, Visualize progress ahead/behind schedule, Receive progress notifications, Archive completed goals

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vulpe Premium Monthly | $3.99 | per month |
| Vulpe Premium Annual | $12.99 | per year |
| Vulpe Premium Yearly | $39.99 | per year |
| Vulpe Premium Outright | $29.99 | one-time |


## 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 Vulpe free?

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

### Which has better reviews, ring つなげる知識、ひろげる輪 or Vulpe?

Vulpe is rated higher. ring つなげる知識、ひろげる輪 averages 3.3 out of 5 from 4 ratings, while Vulpe averages 4.3 from 4 ratings.

### Do ring つなげる知識、ひろげる輪 or Vulpe have ads?

Both ring つなげる知識、ひろげる輪 and Vulpe show ads.

### Which is updated more often, ring つなげる知識、ひろげる輪 or Vulpe?

ring つなげる知識、ひろげる輪 ships an update monthly, and Vulpe every 2 weeks. Most recently, ring つなげる知識、ひろげる輪 was updated on October 14, 2026 and Vulpe on October 16, 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.*