# Pettson's Memo vs Equilibrians (Lite)

The clearest difference is price: Equilibrians (Lite) at Free against Pettson's Memo's $3.99. Equilibrians (Lite) also leads on review sentiment (100% vs 58%). Pettson's Memo's advantage is in-app purchases (none vs 1) and update cadence (every 2 months vs every 105 months). On rating, ratings volume, ads and device support there is nothing between them.

Equilibrians (Lite) is free to download; Pettson's Memo costs $3.99 up front. Equilibrians (Lite) sells 1 one-off in-app purchase. Pettson's Memo asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.0 for Pettson's Memo against 4.0 for Equilibrians (Lite). Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews are what separate them: 58% of Pettson's Memo's written reviews are positive against 100% of Equilibrians (Lite)'s.

Pettson's Memo ships an update every 2 months, Equilibrians (Lite) every 105 months. The most recent releases landed on October 21, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Pettson's Memo | Equilibrians (Lite) |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/pettsons-memo/id521097650/reviews) | [4.0 (1 ratings)](https://appshunter.io/ios/app/equilibrians-lite/id1232206920/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 57.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 105 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 138 MB | 209 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Filimundus AB](https://appshunter.io/developer/468644481) | [Oddrobo Software AB](https://appshunter.io/developer/423545647) |

## What reviewers say

### Pettson's Memo

[App page](https://appshunter.io/ios/app/pettsons-memo/id521097650)

Engage in a memory matching game with charming characters and their cat. Explore six unique game modes, including picture counting, math, sound, and logic challenges. Enjoy solo play, compete with a friend, or test your skills against the computer.

**Highlights:** Six creative memo game modes, Play solo, with a friend, or against AI, Three difficulty levels, Original artwork, Kid-friendly interface, No in-app purchases

**Features:** macOS Compatibility

**In-app purchases:** none


### Equilibrians (Lite)

[App page](https://appshunter.io/ios/app/equilibrians-lite/id1232206920)

A puzzle game where players balance creatures of different weights on a seesaw. It visually explains mathematical concepts and requires constructing valid mathematical equalities to solve puzzles. Offers multiple solutions and collectible rewards.

**Highlights:** Balance and weight puzzles, Visual mathematical explanations, Constructing mathematical equalities, Multi-user support, Collectible stars and stickers, Randomly generated puzzles

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Game | $1.99 | one-time |


## Frequently asked questions

### Is Pettson's Memo free?

Pettson's Memo costs $3.99, with no in-app purchases.

### Is Equilibrians (Lite) free?

Equilibrians (Lite) is free to download, with in-app purchases available.

### Which has better reviews, Pettson's Memo or Equilibrians (Lite)?

Pettson's Memo and Equilibrians (Lite) are both rated 4.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Pettson's Memo or Equilibrians (Lite) have ads?

Neither Pettson's Memo nor Equilibrians (Lite) shows ads.

### Which is updated more often, Pettson's Memo or Equilibrians (Lite)?

Pettson's Memo ships an update every 2 months, and Equilibrians (Lite) every 105 months. Most recently, Pettson's Memo was updated on October 21, 2026 and Equilibrians (Lite) on October 9, 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.*