# Partial Sums Addition vs Hands

The clearest difference is rating: Partial Sums Addition at 5.0 against Hands's 4.0. Partial Sums Addition also leads on price ($3.99 vs $7.99). Hands's advantage is review sentiment (75% vs 50%) and update cadence (every 3 months vs every 9 months). On ads, in-app purchases, monetization model and device support there is nothing between them.

Partial Sums Addition costs $3.99 and Hands $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Partial Sums Addition holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Hands has 26 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 50% of Partial Sums Addition's written reviews are positive against 75% of Hands's, so the app with the better star average is not the one people write more warmly about.

Partial Sums Addition ships an update every 9 months, Hands every 3 months. The most recent releases landed on October 12, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Partial Sums Addition | Hands |
| --- | --- | --- |
| Price | **$3.99** | $7.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/partial-sums-addition/id351022022/reviews)** | [4.0 (26 ratings)](https://appshunter.io/ios/app/hands-on-equations-3/id541865643/reviews) |
| Number of ratings | 2 | **26** |
| Positive reviews | 50.0% of reviews | **75.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 months** |
| Monetization | Paid | Paid |
| Size | 1 MB | 188 MB |
| Requires iOS | 17.6 | **9.0** |
| Devices | **iPhone, iPad** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Esa Helttula](https://appshunter.io/developer/339440196) | [Hands On Equations](https://appshunter.io/developer/505948225) |

## What reviewers say

### Partial Sums Addition

[App page](https://appshunter.io/ios/app/partial-sums-addition/id351022022)

This app teaches and reinforces the partial sums addition method. It offers an interactive interface with customizable settings, allowing users to solve random or custom addition problems with varying numbers of digits and addends. The app provides immediate feedback and aligns numbers automatically for focused learning.

**Highlights:** Partial sums addition method teaching, Interactive and customizable interface, Random and custom addition problems, Adjustable number of digits and addends, Automatic number alignment, Immediate feedback on answers, Color and animation speed customization

**Features:** macOS Compatibility

**In-app purchases:** none


### Hands

[App page](https://appshunter.io/ios/app/hands-on-equations-3/id541865643)

This app offers a challenging introduction to algebra for students who have completed introductory levels. It introduces negative numbers and new game pieces to solve more complex equations, enhancing self-esteem and understanding.

**Highlights:** Solves equations with negative numbers, Introduces new game pieces for algebraic concepts, Video introductions for each lesson, Includes examples and exercises, Enhances self-esteem through success

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Partial Sums Addition free?

Partial Sums Addition costs $3.99, with no in-app purchases.

### Is Hands free?

Hands costs $7.99, with no in-app purchases.

### Which has better reviews, Partial Sums Addition or Hands?

Partial Sums Addition is rated higher. Partial Sums Addition averages 5.0 out of 5 from 2 ratings, while Hands averages 4.0 from 26 ratings.

### Do Partial Sums Addition or Hands have ads?

Neither Partial Sums Addition nor Hands shows ads.

### Which is updated more often, Partial Sums Addition or Hands?

Partial Sums Addition ships an update every 9 months, and Hands every 3 months. Most recently, Partial Sums Addition was updated on October 12, 2026 and Hands on October 16, 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.*