# Inkulus vs SAT Math Prep

The clearest difference is in-app purchases: SAT Math Prep at none against Inkulus's 3. SAT Math Prep also leads on iOS requirement (13.0 vs 26). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Inkulus sells 3 in-app purchases, starting at $2.99 per 7 days. SAT Math Prep asks for nothing beyond the download.

Inkulus ships an update monthly, SAT Math Prep every 3 weeks. The most recent releases landed on July 30, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Inkulus | SAT Math Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/inkulus/id6760616214/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 4 MB | 47 MB |
| Requires iOS | 26 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Teksum Development](https://appshunter.io/developer/1689891632) | [Anul Agarwal](https://appshunter.io/developer/1515910661) |

## What reviewers say

### Inkulus

[App page](https://appshunter.io/ios/app/inkulus/id6760616214)

This app makes learning calculus engaging and effective through interactive tutorials, competitive gameplay, and real-time feedback. It allows users to actively solve problems, track progress, and develop a deeper understanding of mathematical concepts.

**Highlights:** Interactive calculus tutorials, Multiple game modes, 1v1 math battles, XP progression and statistics, Drawing canvas for touch/Apple Pencil, Active learning approach

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Inkulus Pro Weekly | $2.99 | per 7 days |
| Inkulus Pro Monthly | $7.99 | per month |
| Inkulus Pro Yearly | $69.99 | per year |


### SAT Math Prep

[App page](https://appshunter.io/ios/app/sat-math-prep-act-and-calculus/id6799845441)

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

**In-app purchases:** none


## Frequently asked questions

### Is Inkulus free?

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

### Is SAT Math Prep free?

SAT Math Prep is free to download, with no in-app purchases.

### Do Inkulus or SAT Math Prep have ads?

Neither Inkulus nor SAT Math Prep shows ads.

### Which is updated more often, Inkulus or SAT Math Prep?

Inkulus ships an update monthly, and SAT Math Prep every 3 weeks. Most recently, Inkulus was updated on July 30, 2026 and SAT Math Prep on September 21, 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.*