# Partial Sums Addition vs Hands

The clearest difference is review sentiment: Hands at 87% against Partial Sums Addition's 50%. Hands also leads on ratings volume (78 vs 2) and iOS requirement (13 vs 17.6). Partial Sums Addition's advantage is rating (5.0 vs 4.6) and price ($3.99 vs $7.99). On update cadence, ads, in-app purchases and monetization model 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 4.6. That said, the two scores are not equally well evidenced: Hands has 78 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 87% 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 5 months. The most recent releases landed on October 29, 2026 and November 1, 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)** | [4.6 (78 ratings)](https://appshunter.io/ios/app/hands-on-equations-level-2/id520038983/reviews) |
| Number of ratings | 2 | **78** |
| Positive reviews | 50.0% of reviews | **87.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 5 months** |
| Monetization | Paid | Paid |
| Size | 1 MB | 231 MB |
| Requires iOS | 17.6 | **13** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| 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-level-2/id520038983)

This app introduces algebra concepts for students who have completed Level 1. It teaches how to solve equations involving a white pawn representing an unknown value and its opposite. Engaging video lessons and interactive exercises enhance understanding and build confidence in solving algebraic problems.

**Highlights:** Solve equations with unknown values, Learn about opposite values, Interactive video introductions, Practice with examples and exercises, Visual representation of algebraic concepts, Build confidence in algebra

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to understand algebra
- 💡 Visual and verbal explanations
- 👍 Great for visual learners
- 👍 Makes algebra click
- 👍 Fun and engaging for kids

**What reviewers complain about**

- 🐛 Buggy completion streaks
- 🐛 Glitchy tutorials
- 🐛 Lesson 12 equations too hard
- 🐛 Lesson 9 won't accept correct answer
- 🐛 App crashes on iOS 9

**Reported bugs**

- Bug in number wheel slows completion streaks
- Tutorials have too much jargon
- Lesson 12 equations too hard
- Lesson 8 tutorials have too much jargon
- Lesson 9 glitch, won't accept correct answer

**Requested features**

- Make lessons harder
- Add more challenges
- Add video explanation after each problem
- More advanced concepts


## 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 4.6 from 78 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 5 months. Most recently, Partial Sums Addition was updated on October 29, 2026 and Hands on November 1, 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.*