# Partial Product Multiplication vs TheDLA

The clearest difference is price: TheDLA at Free against Partial Product Multiplication's $3.99. TheDLA also leads on rating (4.3 vs 2.5) and update cadence (every 3 months vs every 8 months). Partial Product Multiplication's advantage is chart position (#193 vs unranked). On ratings volume, ads, in-app purchases and device support there is nothing between them.

TheDLA is free to download; Partial Product Multiplication costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

TheDLA holds the better App Store score, 4.3 against 2.5. Both are backed by a comparable volume of ratings — 2 and 3 respectively.

Partial Product Multiplication ships an update every 8 months, TheDLA every 3 months. The most recent releases landed on October 8, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Partial Product Multiplication | TheDLA |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [2.5 (2 ratings)](https://appshunter.io/ios/app/partial-product-multiplication/id351024135/reviews) | **[4.3 (3 ratings)](https://appshunter.io/ios/app/thedla/id506499656/reviews)** |
| Number of ratings | 2 | **3** |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 months** |
| Monetization | Paid | **Free** |
| Best chart rank | **#193** | — |
| Size | 1 MB | 10 MB |
| Requires iOS | 17.6 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Esa Helttula](https://appshunter.io/developer/339440196) | [Daishin Ueyama](https://appshunter.io/developer/495395197) |

## What reviewers say

### Partial Product Multiplication

[App page](https://appshunter.io/ios/app/partial-product-multiplication/id351024135)

**Currently charting:** #193 Top Paid · Education (US App Store)

This educational tool teaches and reinforces the partial products multiplication method. It offers an intuitive, interactive interface with customizable settings and animations to illustrate step-by-step understanding. Designed to help students grasp multiplication strategies.

**Highlights:** Teaches partial products multiplication method, Interactive and intuitive interface, Customizable colors and settings, Animations for step-by-step understanding, Supports custom and random problems, Adjustable difficulty levels

**Features:** macOS Compatibility

**In-app purchases:** none


### TheDLA

[App page](https://appshunter.io/ios/app/thedla/id506499656)

Explore pattern formation in nature with this app. It visualizes Diffusion Limited Aggregation, allowing you to create unique, complex dendritic patterns. Experiment with different interactions to generate artistic and scientific designs.

**Highlights:** Visualize Diffusion Limited Aggregation, Create complex dendritic patterns, Interactive pattern generation, Color selection for branches, Export images to photo library, Twitter, Facebook, GIF animation export, Face detection for particle placement

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Partial Product Multiplication free?

Partial Product Multiplication costs $3.99, with no in-app purchases.

### Is TheDLA free?

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

### Which has better reviews, Partial Product Multiplication or TheDLA?

TheDLA is rated higher. Partial Product Multiplication averages 2.5 out of 5 from 2 ratings, while TheDLA averages 4.3 from 3 ratings.

### Do Partial Product Multiplication or TheDLA have ads?

Neither Partial Product Multiplication nor TheDLA shows ads.

### Which is updated more often, Partial Product Multiplication or TheDLA?

Partial Product Multiplication ships an update every 8 months, and TheDLA every 3 months. Most recently, Partial Product Multiplication was updated on October 8, 2026 and TheDLA on October 19, 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.*