# ProblemSum vs A Plus

The clearest difference is rating: ProblemSum at 5.0 against A Plus's 3.0. ProblemSum also leads on review sentiment (100% vs 82%) and update cadence (every 3 weeks vs every 2 months). A Plus's advantage is price ($1.99 vs $6.99). On ratings volume, ads and in-app purchases there is nothing between them.

ProblemSum costs $6.99 and A Plus $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ProblemSum holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews point the same way: 100% of ProblemSum's written reviews are positive against 82% of A Plus's.

ProblemSum ships an update every 3 weeks, A Plus every 2 months. Both last shipped on October 26, 2026.

## The numbers

| Metric | ProblemSum | A Plus |
| --- | --- | --- |
| Price | $6.99 | **$1.99** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/problemsum/id1273718042/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/a-plus-gpa-and-grade-tracker/id1330224186/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | **100.0% of reviews** | 81.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Paid | **Free** |
| Size | 3 MB | 3 MB |
| Requires iOS | **18.0** | 26.0 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Aeterna Solutions](https://appshunter.io/developer/1273718041) | [ReleCompany](https://appshunter.io/developer/1546958884) |

## What reviewers say

### ProblemSum

[App page](https://appshunter.io/ios/app/problemsum/id1273718042)

Practice math word problems aligned with the Singapore Mathematics syllabus for Primary 6 students. Get detailed solutions for each problem. The app works offline and requires no account.

**Highlights:** Random math word problem generation, Singapore Math syllabus alignment, Detailed step-by-step solutions, Offline functionality, No account required, Ad-free experience

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases:** none


### A Plus

[App page](https://appshunter.io/ios/app/a-plus-gpa-and-grade-tracker/id1330224186)

Manage your college academic life with this app. It offers instant GPA calculation, semester and cumulative tracking, and a visual class schedule planner. Record grades, monitor progress towards graduation, and stay organized with a home screen widget.

**Highlights:** Instant GPA calculation, Semester and cumulative GPA tracking, Class schedule planner, Grade management by semester, Progress toward graduation tracking, Home screen widget for classes

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ProblemSum free?

ProblemSum costs $6.99, with no in-app purchases.

### Is A Plus free?

A Plus costs $1.99, with no in-app purchases.

### Which has better reviews, ProblemSum or A Plus?

ProblemSum is rated higher. ProblemSum averages 5.0 out of 5 from 1 ratings, while A Plus averages 3.0 from 2 ratings.

### Do ProblemSum or A Plus have ads?

Neither ProblemSum nor A Plus shows ads.

### Which is updated more often, ProblemSum or A Plus?

ProblemSum ships an update every 3 weeks, and A Plus every 2 months. Most recently, ProblemSum was updated on October 26, 2026 and A Plus on October 26, 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.*