# knotecards vs Grandmind

The clearest difference is price: Grandmind at Free against knotecards's $3.99. Grandmind also leads on update cadence (every 4 days vs every 6 weeks). knotecards's advantage is ads (none vs shown). On review sentiment, in-app purchases, device support and iOS requirement there is nothing between them.

Grandmind is free to download; knotecards costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

knotecards ships an update every 6 weeks, Grandmind every 4 days. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | knotecards | Grandmind |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/knotecards/id6748163448/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 4 days** |
| Monetization | Paid | **Free** |
| Size | 1 MB | 26 MB |
| Requires iOS | 17.6 | 17.6 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 12+ | 4+ |
| Developer | [altymytry](https://appshunter.io/developer/1824557021) | [Kok Keong](https://appshunter.io/developer/1643079389) |

## What reviewers say

### knotecards

[App page](https://appshunter.io/ios/app/knotecards/id6748163448)

Prepare for your Private Pilot Checkride with flashcards created by Certified Flight Instructors. This study tool covers ACS standards and includes sources for accurate information. Organize cards by knowledge level for efficient learning.

**Highlights:** Flashcards designed by CFIs, Covers ACS Standards, Includes sources for accuracy, Systematic and weighted card viewing, Covers 141 curriculum areas

**Features:** macOS Compatibility

**In-app purchases:** none


### Grandmind

[App page](https://appshunter.io/ios/app/grandmind-brain-training/id6751628728)

This brain game challenges your recall by having you repeat increasingly complex sequences of colors and sounds. Compete globally on leaderboards to test your memory and focus.

**Highlights:** Sequence repetition, Color and sound patterns, Global leaderboards, Daily brain training, Quick play sessions

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

**In-app purchases:** none


## Frequently asked questions

### Is knotecards free?

knotecards costs $3.99, with no in-app purchases.

### Is Grandmind free?

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

### Do knotecards or Grandmind have ads?

Grandmind shows ads; knotecards does not.

### Which is updated more often, knotecards or Grandmind?

knotecards ships an update every 6 weeks, and Grandmind every 4 days. Most recently, knotecards was updated on October 24, 2026 and Grandmind on October 19, 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.*