# prepMIR Feedbacks vs Cogni

The clearest difference is in-app purchases: prepMIR Feedbacks at none against Cogni's 9. prepMIR Feedbacks also leads on iOS requirement (13.0 vs 16.4). Cogni's advantage is update cadence (every 9 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Cogni sells 9 in-app purchases, starting at $4.99 per month. prepMIR Feedbacks asks for nothing beyond the download.

prepMIR Feedbacks ships an update every 2 months, Cogni every 9 days. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | prepMIR Feedbacks | Cogni |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (1.7K ratings)](https://appshunter.io/ios/app/cogni-ai-flashcards-and-notes/id6737768905/reviews)** |
| Number of ratings | — | **1.7K** |
| Positive reviews | — | 35.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | — | Free with in-app purchases |
| Size | 14 MB | 69 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [ECNI](https://appshunter.io/developer/915067392) | [COGNIFLY LTD](https://appshunter.io/developer/1808620132) |

## What reviewers say

### prepMIR Feedbacks

[App page](https://appshunter.io/ios/app/prepmir-feedbacks/id1600088150)

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

**In-app purchases:** none


### Cogni

[App page](https://appshunter.io/ios/app/cogni-ai-flashcards-and-notes/id6737768905)

Create and study flashcards using an AI-enhanced spaced repetition algorithm to optimize learning. Access a vast library of pre-made decks and track your progress with detailed statistics. Study offline with media-supported flashcards.

**Highlights:** AI-enhanced spaced repetition, Create and review flashcards, Library of pre-made decks, Detailed statistics and progress tracking, Offline access with media support, Customizable flashcard creation

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $4.99 | per month |
| Premium Monthly | $7.99 | per month |
| Premium Monthly | $14.99 | per month |
| Premium Annual | $19.99 | per year |
| Premium Annual | $24.99 | per year |
| Premium Annual | $29.99 | per year |
| Premium Annual | $49.99 | per year |
| Lifetime Premium | $69.99 | one-time |
| Premium Lifetime | $99.99 | one-time |

**What reviewers like**

- 👍 Great app for memorizing and growing recall skills
- 🚀 Lifesaver for challenging, memory-heavy subjects like med school
- 👍 Sleek and user-friendly interface, no distractions

**What reviewers complain about**

- 🐛 Locked up referring to an upgrade page, couldn't continue using the app
- 🐛 Not easy to use, inaccurate for Spanish language
- 🐛 Desktop flashcards deck won't sync with mobile, forcing duplicate work

**Reported bugs**

- App no longer available after paying for annual subscription
- Occasional crashes

**Requested features**

- Integrate ChatGPT or Claude for automatic card creation
- Add sub-decks for larger decks that need more review
- Improve algorithm for hard/again ratings to better target struggling cards
- Add subsections for decks to study different sections separately


## Frequently asked questions

### Is prepMIR Feedbacks free?

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

### Is Cogni free?

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

### Do prepMIR Feedbacks or Cogni have ads?

Neither prepMIR Feedbacks nor Cogni shows ads.

### Which is updated more often, prepMIR Feedbacks or Cogni?

prepMIR Feedbacks ships an update every 2 months, and Cogni every 9 days. Most recently, prepMIR Feedbacks was updated on October 25, 2026 and Cogni on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*