# CardArmor vs SuturedNotes

The clearest difference is in-app purchases: CardArmor at none against SuturedNotes's 3. CardArmor also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.1). SuturedNotes's advantage is update cadence (every 10 days vs every 2 months). On price and device support there is nothing between them.

Both are free to download. SuturedNotes sells 3 in-app purchases, starting at $29.99 per month. CardArmor asks for nothing beyond the download.

CardArmor ships an update every 2 months, SuturedNotes every 10 days. The most recent releases landed on September 28, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | CardArmor | SuturedNotes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/suturednotes/id6757164850/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | — | Freemium |
| Size | 23 MB | 53 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [University of Louisville](https://appshunter.io/developer/428942876) | [Seifalla Ahmed Samir Ahmed Elmasry](https://appshunter.io/developer/1864979833) |

## What reviewers say

### CardArmor

[App page](https://appshunter.io/ios/app/cardarmor/id6472733508)

**In-app purchases:** none


### SuturedNotes

[App page](https://appshunter.io/ios/app/suturednotes/id6757164850)

This app transforms lecture PDFs into AI-powered quizzes for active recall and efficient studying. It tracks mistakes and provides progress analytics to help medical and healthcare students master their material for exams and rotations.

**Highlights:** AI-powered quiz generation from PDFs, Active recall study method, Organized subject-specific decks, Automatic mistake tracking, Progress analytics and visual stats, Multi-device access (Premium)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SuturedNotes Premium Monthly | $29.99 | per month |
| SuturedNotes Premium Semester | $149.99 | per 6 months |
| Premium Yearly | $199.99 | per year |


## Frequently asked questions

### Is CardArmor free?

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

### Is SuturedNotes free?

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

### Do CardArmor or SuturedNotes have ads?

SuturedNotes shows ads; CardArmor does not.

### Which is updated more often, CardArmor or SuturedNotes?

CardArmor ships an update every 2 months, and SuturedNotes every 10 days. Most recently, CardArmor was updated on September 28, 2026 and SuturedNotes on October 11, 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.*