# 12min vs Quartel do E

The clearest difference is in-app purchases: Quartel do E at none against 12min's 13. 12min's advantage is update cadence (fortnightly vs every 7 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 12min sells 10 in-app purchases, starting at $19.99 per 6 months. Quartel do E asks for nothing beyond the download.

12min ships an update fortnightly, Quartel do E every 7 months. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 12min | Quartel do E |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (6.1K ratings)](https://appshunter.io/ios/app/12min-book-summaries-daily/id1177343870/reviews)** | — |
| Number of ratings | **6.1K** | — |
| Positive reviews | 69.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Every 7 months |
| Monetization | Free with in-app purchases | — |
| Size | 105 MB | 38 MB |
| Requires iOS | 16.4 | **15.5** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [12 MIN SERVICOS DIGITAIS E NEGOCIOS LTDA](https://appshunter.io/developer/1177343869) | [WAID](https://appshunter.io/developer/1690041207) |

## What reviewers say

### 12min

[App page](https://appshunter.io/ios/app/12min-book-summaries-daily/id1177343870)

Access concise summaries of nonfiction books in audio or text format to learn faster and build better habits. Fit knowledge acquisition into your daily routine with microlearning content designed for busy individuals.

**Highlights:** Audio and text book summaries, AI-powered recommendations, Microlearning in minutes, Curated learning paths, Offline access, Habit building tools

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Semestral Premium Subscription | $19.99 | per 6 months |
| Annual Premium Subscription | $49.99 | per year |
| Annual Premium Subscription | $63.99 | per year |
| Annual Premium Subscription | $79.99 | per year |
| Annual Premium Subscription | $79.99 | per year |
| Annual Premium Subscription | $89.99 | per year |
| Annual Premium Subscription | $89.99 | per year |
| Annual Premium Subscription | $99.99 | per year |
| Annual Premium Subscription | $109.99 | per year |
| Annual Premium Subscription | $120.99 | per year |

**What reviewers like**

- 🚀 Concise and informative summaries
- 👍 Convenient for busy individuals
- 💡 Exposes users to new books and topics
- 🚀 Efficient way to gain knowledge
- 👍 Helps decide which books to read further

**What reviewers complain about**

- 🐛 App crashes and stability issues
- 🔒 Difficult to cancel subscription
- 💰 Expensive subscription cost
- 🔒 Lack of transparency around subscription
- 👎 Frequent subscription upsell prompts

**Reported bugs**

- App not loading or freezing
- Inconsistent behavior when marking books as read
- Issues with offline functionality
- Sync problems between devices
- Glitches with the 'send to Kindle' feature

**Requested features**

- Add support for Apple Watch
- Improve audio quality of summaries
- Implement a 'read later' feature
- Add more language options
- Improve navigation and user interface


### Quartel do E

[App page](https://appshunter.io/ios/app/quartel-do-e-commerce/id6736346049)

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

**In-app purchases:** none


## Frequently asked questions

### Is 12min free?

12min is free to download, with in-app purchases available.

### Is Quartel do E free?

Quartel do E is free to download, with no in-app purchases.

### Do 12min or Quartel do E have ads?

Both 12min and Quartel do E show ads.

### Which is updated more often, 12min or Quartel do E?

12min ships an update fortnightly, and Quartel do E every 7 months. Most recently, 12min was updated on October 24, 2026 and Quartel do E on October 10, 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.*