# Sets Challenge vs Symbols

The clearest difference is review sentiment: Symbols at 100% against Sets Challenge's 33%. Symbols also leads on rating (4.5 vs 3.0) and update cadence (every 6 weeks vs every 4 months). Sets Challenge's advantage is in-app purchases (none vs 6) and iOS requirement (9.0 vs 12.0). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Symbols sells 6 in-app purchases, starting at $3.99 per month. Sets Challenge asks for nothing beyond the download.

Symbols holds the better App Store score, 4.5 against 3.0. Both are backed by a comparable volume of ratings — 4 and 8 respectively. Written reviews point the same way: 33% of Sets Challenge's written reviews are positive against 100% of Symbols's.

Sets Challenge ships an update every 4 months, Symbols every 6 weeks. The most recent releases landed on October 21, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Sets Challenge | Symbols |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (4 ratings)](https://appshunter.io/ios/app/sets-challenge/id1164791679/reviews) | **[4.5 (8 ratings)](https://appshunter.io/ios/app/symbols-learn-logic/id1642996557/reviews)** |
| Number of ratings | 4 | **8** |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 8 MB | 78 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Knowledge Platform Pte Ltd](https://appshunter.io/developer/516535412) | [Matthew Rayes](https://appshunter.io/developer/1642996559) |

## What reviewers say

### Sets Challenge

[App page](https://appshunter.io/ios/app/sets-challenge/id1164791679)

Master fundamental set theory concepts through an engaging, multi-level game. Practice operations like intersection, union, and complement individually or with others. Ideal for students and educators, it can even be used for classroom presentations.

**Highlights:** Master set theory basics, Practice intersection, union, complement, Multi-level gameplay, Play solo or in groups, Classroom projector display option

**Features:** macOS Compatibility

**In-app purchases:** none


### Symbols

[App page](https://appshunter.io/ios/app/symbols-learn-logic/id1642996557)

Learn symbolic logic through interactive exercises and visual study cards. Master rules of inference, evaluate arguments, and translate everyday language into formal logic. Progress through various activities to build and solidify your understanding of logical reasoning.

**Highlights:** Comprehensive Studycards with clear explanations, Interactive activities for skill mastery, Validity: Evaluate pre-solved arguments, Justification: Deduce missing argument steps, Inference: Build valid arguments, Translation: Convert statements to logical form

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $3.99 | per month |
| Weekly subscription | $3.99 | per 7 days |
| Monthly Subscription | $6.99 | per month |
| Three Month Subscription | $18.99 | per 3 months |
| Yearly Subscription | $24.99 | per year |
| Annual Subscription | $39.99 | per year |


## Frequently asked questions

### Is Sets Challenge free?

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

### Is Symbols free?

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

### Which has better reviews, Sets Challenge or Symbols?

Symbols is rated higher. Sets Challenge averages 3.0 out of 5 from 4 ratings, while Symbols averages 4.5 from 8 ratings.

### Do Sets Challenge or Symbols have ads?

Neither Sets Challenge nor Symbols shows ads.

### Which is updated more often, Sets Challenge or Symbols?

Sets Challenge ships an update every 4 months, and Symbols every 6 weeks. Most recently, Sets Challenge was updated on October 21, 2026 and Symbols on October 14, 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.*