# Monoxer vs SortCal

The clearest difference is review sentiment: SortCal at 100% against Monoxer's 16%. SortCal also leads on monetization model (free vs free with in-app purchases) and rating (5.0 vs 4.7). Monoxer's advantage is update cadence (weekly vs every 5 months) and ratings volume (151 vs 2). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SortCal holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Monoxer has 151 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 16% of Monoxer's written reviews are positive against 100% of SortCal's.

Monoxer ships an update weekly, SortCal every 5 months. The most recent releases landed on September 25, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | Monoxer | SortCal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (151 ratings)](https://appshunter.io/ios/app/monoxer/id1288435689/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sortcal/id1563242104/reviews)** |
| Number of ratings | **151** | 2 |
| Positive reviews | 16.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 5 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 91 MB | 3 MB |
| Requires iOS | **17.0** | 17.5 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [monoxer, Inc](https://appshunter.io/developer/1275906182) | [Jaekeun Sung](https://appshunter.io/developer/1563197906) |

## What reviewers say

### Monoxer

[App page](https://appshunter.io/ios/app/monoxer/id1288435689)

This app analyzes your learning habits to create personalized exercises for effective knowledge acquisition. It generates questions automatically from your custom lists and tracks your memory status, adjusting difficulty to optimize learning.

**Highlights:** Automatic question generation, Customizable learning books, Memory status tracking, Adaptive difficulty levels, Multiple question formats, Learning habit analysis

**Features:** Vision Pro support

**In-app purchases:** none


### SortCal

[App page](https://appshunter.io/ios/app/sortcal/id1563242104)

This app combines calculator functionality with note-taking and flashcard study tools. It allows users to review past calculations and easily delete digits. It's designed for everyday math tasks and educational support.

**Highlights:** Previous calculations history, Digit deletion button, Note taking functionality, Flashcard study mode

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Monoxer free?

Monoxer is free to download, with no in-app purchases.

### Is SortCal free?

SortCal is free to download, with no in-app purchases.

### Which has better reviews, Monoxer or SortCal?

SortCal is rated higher. Monoxer averages 4.7 out of 5 from 151 ratings, while SortCal averages 5.0 from 2 ratings.

### Do Monoxer or SortCal have ads?

Neither Monoxer nor SortCal shows ads.

### Which is updated more often, Monoxer or SortCal?

Monoxer ships an update weekly, and SortCal every 5 months. Most recently, Monoxer was updated on September 25, 2026 and SortCal on June 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*