# ProblemSum vs Ai Language

The clearest difference is price: Ai Language at Free against ProblemSum's $6.99. Ai Language also leads on iOS requirement (15.0 vs 18.0). ProblemSum's advantage is rating (5.0 vs 4.5) and in-app purchases (none vs 1). On ratings volume, update cadence, ads and device support there is nothing between them.

Ai Language is free to download; ProblemSum costs $6.99 up front. Ai Language sells 1 in-app purchase, starting at $1.99 per month. ProblemSum asks for nothing beyond the download.

ProblemSum holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

ProblemSum ships an update monthly, Ai Language every 2 weeks. The most recent releases landed on October 20, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | ProblemSum | Ai Language |
| --- | --- | --- |
| Price | $6.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/problemsum/id1273718042/reviews)** | [4.5 (2 ratings)](https://appshunter.io/ios/app/ai-language-translate-and-chat/id6504449125/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 2 MB | 161 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aeterna Solutions](https://appshunter.io/developer/1273718041) | [Relax Software, LLC](https://appshunter.io/developer/1692483871) |

## 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

**In-app purchases:** none


### Ai Language

[App page](https://appshunter.io/ios/app/ai-language-translate-and-chat/id6504449125)

Translate text, voice, files, and camera images across many languages using advanced AI models. Engage in AI-powered chat lessons to practice and learn new languages efficiently. Supports various text orientations and Chinese character sets.

**Highlights:** AI-powered translation, Voice and text input/output, File and camera translation, AI chat teacher for language practice, Support for multiple AI engines, Vertical and horizontal text support

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Access | $1.99 | per month |


## Frequently asked questions

### Is ProblemSum free?

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

### Is Ai Language free?

Ai Language is free to download, with in-app purchases available.

### Which has better reviews, ProblemSum or Ai Language?

ProblemSum is rated higher. ProblemSum averages 5.0 out of 5 from 1 ratings, while Ai Language averages 4.5 from 2 ratings.

### Do ProblemSum or Ai Language have ads?

Neither ProblemSum nor Ai Language shows ads.

### Which is updated more often, ProblemSum or Ai Language?

ProblemSum ships an update monthly, and Ai Language every 2 weeks. Most recently, ProblemSum was updated on October 20, 2026 and Ai Language on October 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.*