# 3by4 vs Mneme

The clearest difference is update cadence: Mneme at every 10 days against 3by4's every 3 months. Mneme also leads on ratings volume (6 vs 2). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. 3by4 sells 3 in-app purchases, starting at $6.99 per 7 days and Mneme sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for 3by4 against 5.0 for Mneme. Both are backed by a comparable volume of ratings — 2 and 6 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

3by4 ships an update every 3 months, Mneme every 10 days. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 3by4 | Mneme |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/3by4-goal-and-task-planner/id6756412554/reviews) | [5.0 (6 ratings)](https://appshunter.io/ios/app/mneme-your-second-brain/id6791384175/reviews) |
| Number of ratings | 2 | **6** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 10 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 110 MB | 68 MB |
| Requires iOS | 16.4 | 16.4 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Karimulla Mohammed](https://appshunter.io/developer/1860038673) | [Aaron Pinto](https://appshunter.io/developer/1842249066) |

## What reviewers say

### 3by4

[App page](https://appshunter.io/ios/app/3by4-goal-and-task-planner/id6756412554)

This app helps you break down large goals into actionable daily, weekly, monthly, and yearly plans. A virtual assistant guides you through habit formation and task management, offering friendly reminders and progress tracking.

**Highlights:** Goal breakdown into actionable plans, Habit tracking with reminders, Daily task management, Focus timer, Home screen widgets, AI-powered planning assistance

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3by4 Premium Weekly | $6.99 | per 7 days |
| 3by4 Premium Monthly | $12.99 | per month |
| 3by4 Premium Yearly | $39.99 | per year |


### Mneme

[App page](https://appshunter.io/ios/app/mneme-your-second-brain/id6791384175)

This app helps you remember what you consume by organizing links, videos, PDFs, and thoughts into an evolving map. It identifies contradictions and emerging themes in your saved content, surfacing one insightful item daily.

**Highlights:** Self-organizing knowledge map, Identifies content contradictions, Tracks emerging themes and trends, Captures from any source, Daily curated insights, Integrates with other services

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mneme Plus (Monthly) | $2.99 | per month |
| Mneme Plus (Yearly) | $19.99 | per year |
| Mneme Plus (Lifetime) | $49.99 | one-time |


## Frequently asked questions

### Is 3by4 free?

3by4 is free to download, with in-app purchases available.

### Is Mneme free?

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

### Which has better reviews, 3by4 or Mneme?

3by4 and Mneme are both rated 5.0 out of 5 on the App Store, from 2 and 6 ratings respectively.

### Do 3by4 or Mneme have ads?

Both 3by4 and Mneme show ads.

### Which is updated more often, 3by4 or Mneme?

3by4 ships an update every 3 months, and Mneme every 10 days. Most recently, 3by4 was updated on November 6, 2026 and Mneme on October 31, 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.*