# Mnemonizer vs Columns.app

The clearest difference is review sentiment: Mnemonizer at 83% against Columns.app's 50%. Mnemonizer also leads on rating (4.8 vs 4.3) and device support (4 vs 2). Columns.app's advantage is update cadence (every 3 weeks vs every 14 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Mnemonizer holds the better App Store score, 4.8 against 4.3. Both are backed by a comparable volume of ratings — 4 and 3 respectively. Written reviews point the same way: 83% of Mnemonizer's written reviews are positive against 50% of Columns.app's.

Mnemonizer ships an update every 14 months, Columns.app every 3 weeks. The most recent releases landed on November 13, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Mnemonizer | Columns.app |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/mnemonizer/id1126080651/reviews)** | [4.3 (3 ratings)](https://appshunter.io/ios/app/columnsapp/id6468962770/reviews) |
| Number of ratings | **4** | 3 |
| Positive reviews | **83.3% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 18 MB | 19 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Happymagenta UAB](https://appshunter.io/developer/1105393733) | [Columns, inc.](https://appshunter.io/developer/1711067600) |

## What reviewers say

### Mnemonizer

[App page](https://appshunter.io/ios/app/mnemonizer/id1126080651)

This app offers a unique method to secure sensitive information like PINs and passwords by disguising them within a visually camouflaged grid of random characters. It allows users to create mnemonic cards, mentally mapping data positions for uncrackable privacy.

**Highlights:** Hide PINs and passwords, Mnemonic card system, Camouflaged data display, Automatic iCloud sync, Multiple data cards, Uncrackable security

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


### Columns.app

[App page](https://appshunter.io/ios/app/columnsapp/id6468962770)

Organize your thoughts and tasks with a unique column-based list manager. Ideal for planning, tracking, and managing projects, ideas, or collections. It offers a structured, linear approach similar to mind maps for clear visualization.

**Highlights:** Organize with linear columns, Plan and track progress, Manage projects and ideas, Create roadmaps, Teamwork organization

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

**In-app purchases:** none


## Frequently asked questions

### Is Mnemonizer free?

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

### Is Columns.app free?

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

### Which has better reviews, Mnemonizer or Columns.app?

Mnemonizer is rated higher. Mnemonizer averages 4.8 out of 5 from 4 ratings, while Columns.app averages 4.3 from 3 ratings.

### Do Mnemonizer or Columns.app have ads?

Neither Mnemonizer nor Columns.app shows ads.

### Which is updated more often, Mnemonizer or Columns.app?

Mnemonizer ships an update every 14 months, and Columns.app every 3 weeks. Most recently, Mnemonizer was updated on November 13, 2026 and Columns.app on November 3, 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.*