# CircleIn vs QuadC

The clearest difference is update cadence: CircleIn at every 2 weeks against QuadC's every 4 months. CircleIn also leads on iOS requirement (15.0 vs 17.0). 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.

CircleIn ships an update every 2 weeks, QuadC every 4 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | CircleIn | QuadC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.1K ratings)](https://appshunter.io/ios/app/circlein-circle-in-daily/id969803973/reviews)** | — |
| Number of ratings | **1.1K** | — |
| Positive reviews | 78.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 months |
| Monetization | Free | — |
| Size | 126 MB | 9 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CircleIn, Inc.](https://appshunter.io/developer/969803972) | [TutorOcean Inc.](https://appshunter.io/developer/1480876531) |

## What reviewers say

### CircleIn

[App page](https://appshunter.io/ios/app/circlein-circle-in-daily/id969803973)

Connect with classmates, manage your studies, and earn rewards. This app helps you organize tasks, create study materials like flashcards, and collaborate on projects. Never study alone again and improve your college experience.

**Highlights:** Class channels, video, and chats, Flashcard creation and quizzes, Task and project management, Group project collaboration, Earn points for studying, Note-taking and resource sharing

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Motivating study app
- 👍 User-friendly and organized
- 🤝 Helps connect with classmates
- 💰 Rewards for participation
- 📚 Useful study features (flashcards, notes, etc.)

**What reviewers complain about**

- 🐛 Occasional crashes and glitches
- 🔒 Privacy concerns with shared content
- 💸 Unclear about gift card redemption process
- 📵 Lack of notifications and updates
- 🤔 Confusing navigation and layout

**Reported bugs**

- Classes not loading properly
- Issues with adding tasks and notes
- Inconsistent app performance across devices

**Requested features**

- Dark mode option
- Ability to customize class names
- Better planner and task management features
- Improved integration with other apps and services


### QuadC

[App page](https://appshunter.io/ios/app/quadc/id6466211790)

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

**In-app purchases:** none


## Frequently asked questions

### Is CircleIn free?

CircleIn is free to download, with no in-app purchases.

### Is QuadC free?

QuadC is free to download, with no in-app purchases.

### Do CircleIn or QuadC have ads?

Neither CircleIn nor QuadC shows ads.

### Which is updated more often, CircleIn or QuadC?

CircleIn ships an update every 2 weeks, and QuadC every 4 months. Most recently, CircleIn was updated on October 24, 2026 and QuadC on October 25, 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.*