# Cogni vs DevTasks

The clearest difference is price: Cogni at Free against DevTasks's $2.99. DevTasks's advantage is in-app purchases (none vs 9). On ads, device support and iOS requirement there is nothing between them.

Cogni is free to download; DevTasks costs $2.99 up front. Cogni sells 9 in-app purchases, starting at $4.99 per month. DevTasks asks for nothing beyond the download.

## The numbers

| Metric | Cogni | DevTasks |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| 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 | 34.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Free with in-app purchases | — |
| Size | 62 MB | 3 MB |
| Requires iOS | 16.4 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [COGNIFLY LTD](https://appshunter.io/developer/1808620132) | [Dmitry Sagaev](https://appshunter.io/developer/998918877) |

## What reviewers say

### Cogni

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

Create and study flashcards to master new materials efficiently. Utilize an enhanced spaced repetition algorithm to optimize study sessions for exams, languages, or complex subjects. Millions trust this method to achieve their learning goals.

**Highlights:** Create and review custom flashcards, Spaced repetition algorithm, Pre-made deck library, AI-enhanced recall, Progress tracking, Offline access

**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


### DevTasks

[App page](https://appshunter.io/ios/app/devtasks/id6741801418)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cogni free?

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

### Is DevTasks free?

DevTasks costs $2.99, with no in-app purchases.

### Do Cogni or DevTasks have ads?

Neither Cogni nor DevTasks shows ads.

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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.*