# Prime Factorization Deluxe vs Soundiverse

The clearest difference is price: Soundiverse at Free against Prime Factorization Deluxe's $1.99. Soundiverse also leads on update cadence (every 4 weeks vs every 38 months). Prime Factorization Deluxe's advantage is in-app purchases (none vs 1) and iOS requirement (12.0 vs 16.3). On ads and device support there is nothing between them.

Soundiverse is free to download; Prime Factorization Deluxe costs $1.99 up front. Soundiverse sells 1 one-off in-app purchase. Prime Factorization Deluxe asks for nothing beyond the download.

Prime Factorization Deluxe ships an update every 38 months, Soundiverse every 4 weeks. The most recent releases landed on June 11, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Prime Factorization Deluxe | Soundiverse |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/prime-factorization-deluxe/id971807388/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 4 weeks** |
| Monetization | Paid | — |
| Size | 15 MB | 427 MB |
| Requires iOS | **12.0** | 16.3 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Ventura Educational Systems](https://appshunter.io/developer/371324172) | [Sound Scouts HQ Pty Ltd](https://appshunter.io/developer/1255821225) |

## What reviewers say

### Prime Factorization Deluxe

[App page](https://appshunter.io/ios/app/prime-factorization-deluxe/id971807388)

Explore prime factorization, GCF, and LCM with an interactive factor tree. Select numbers up to 100 to build factor trees and learn mathematical concepts visually. Ideal for students learning number theory.

**Highlights:** Interactive prime factorization tool, Factor tree visualization, Greatest Common Factor (GCF) calculation, Least Common Multiple (LCM) calculation, Number selection up to 100, Visual distinction between prime and composite numbers

**Features:** macOS Compatibility

**In-app purchases:** none


### Soundiverse

[App page](https://appshunter.io/ios/app/soundiverse/id6449693639)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Licence | $29.99 | one-time |


## Frequently asked questions

### Is Prime Factorization Deluxe free?

Prime Factorization Deluxe costs $1.99, with no in-app purchases.

### Is Soundiverse free?

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

### Do Prime Factorization Deluxe or Soundiverse have ads?

Neither Prime Factorization Deluxe nor Soundiverse shows ads.

### Which is updated more often, Prime Factorization Deluxe or Soundiverse?

Prime Factorization Deluxe ships an update every 38 months, and Soundiverse every 4 weeks. Most recently, Prime Factorization Deluxe was updated on June 11, 2026 and Soundiverse on September 8, 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.*