# Partial Sums Addition vs Algebra Fun 2

The clearest difference is review sentiment: Algebra Fun 2 at 87% against Partial Sums Addition's 50%. Algebra Fun 2 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 Algebra Fun 2 $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: Algebra Fun 2 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 Algebra Fun 2'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, Algebra Fun 2 every 5 months. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Partial Sums Addition | Algebra Fun 2 |
| --- | --- | --- |
| 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/algebra-fun-2-kids-math/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


### Algebra Fun 2

[App page](https://appshunter.io/ios/app/algebra-fun-2-kids-math/id520038983)

This app offers a visual and intuitive approach to learning advanced algebra concepts. It introduces new game pieces to help students solve increasingly complex equations, fostering a deeper understanding of mathematical principles.

**Highlights:** Visual equation solving, Introduction of white pawn for negative x, Solves complex equations like 3x = -x + 4, Teaches additive inverses and equality properties, Develops intuitive understanding of algebra, Suitable for grades 2 and above

**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 Algebra Fun 2 free?

Algebra Fun 2 costs $7.99, with no in-app purchases.

### Which has better reviews, Partial Sums Addition or Algebra Fun 2?

Partial Sums Addition is rated higher. Partial Sums Addition averages 5.0 out of 5 from 2 ratings, while Algebra Fun 2 averages 4.6 from 78 ratings.

### Do Partial Sums Addition or Algebra Fun 2 have ads?

Neither Partial Sums Addition nor Algebra Fun 2 shows ads.

### Which is updated more often, Partial Sums Addition or Algebra Fun 2?

Partial Sums Addition ships an update every 9 months, and Algebra Fun 2 every 5 months. Most recently, Partial Sums Addition was updated on November 1, 2026 and Algebra Fun 2 on November 6, 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.*