# Skill 15 vs Equilibrians (Lite)

The clearest difference is rating: Skill 15 at 4.5 against Equilibrians (Lite)'s 4.0. Skill 15 also leads on in-app purchases (none vs 1) and update cadence (every 19 months vs every 105 months). Equilibrians (Lite)'s advantage is review sentiment (100% vs 71%). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Equilibrians (Lite) sells 1 one-off in-app purchase. Skill 15 asks for nothing beyond the download.

Skill 15 holds the better App Store score, 4.5 against 4.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews complicate that: 71% of Skill 15's written reviews are positive against 100% of Equilibrians (Lite)'s, so the app with the better star average is not the one people write more warmly about.

Skill 15 ships an update every 19 months, Equilibrians (Lite) every 105 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Skill 15 | Equilibrians (Lite) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/skill-15/id434763052/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/equilibrians-lite/id1232206920/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 71.1% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 19 months** | Every 105 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 56 MB | 209 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tri-Software](https://appshunter.io/developer/413551271) | [Oddrobo Software AB](https://appshunter.io/developer/423545647) |

## What reviewers say

### Skill 15

[App page](https://appshunter.io/ios/app/skill-15/id434763052)

A classic sliding puzzle game that challenges players to arrange numbered tiles in sequential order. Enjoy simple, addictive, and fun gameplay that hones your logic skills.

**Highlights:** Classic 15 number puzzle, Sequential tile arrangement, Easy to learn, Simple gameplay, Addictive fun

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

**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 Skill 15 free?

Skill 15 is free to download, with no in-app purchases.

### Is Equilibrians (Lite) free?

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

### Which has better reviews, Skill 15 or Equilibrians (Lite)?

Skill 15 is rated higher. Skill 15 averages 4.5 out of 5 from 2 ratings, while Equilibrians (Lite) averages 4.0 from 1 ratings.

### Do Skill 15 or Equilibrians (Lite) have ads?

Neither Skill 15 nor Equilibrians (Lite) shows ads.

### Which is updated more often, Skill 15 or Equilibrians (Lite)?

Skill 15 ships an update every 19 months, and Equilibrians (Lite) every 105 months. Most recently, Skill 15 was updated on November 1, 2026 and Equilibrians (Lite) on November 2, 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.*