# XStudy vs Inkulus

The clearest difference is review sentiment: XStudy at 83% against Inkulus's 0%. XStudy also leads on rating (4.1 vs 3.0) and update cadence (every 3 days vs monthly). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. XStudy sells 10 in-app purchases, starting at $0.99 per month and Inkulus sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

XStudy holds the better App Store score, 4.1 against 3.0. That said, the two scores are not equally well evidenced: XStudy has 14 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 83% of XStudy's written reviews are positive against 0% of Inkulus's.

XStudy ships an update every 3 days, Inkulus monthly. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | XStudy | Inkulus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (14 ratings)](https://appshunter.io/ios/app/xstudy-all-in-one-ai-mentor/id6544795245/reviews)** | [3.0 (1 ratings)](https://appshunter.io/ios/app/inkulus/id6760616214/reviews) |
| Number of ratings | **14** | 1 |
| Positive reviews | **83.3% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 34 MB | 4 MB |
| Requires iOS | **15.6** | 26 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [XStudy AI Inc.](https://appshunter.io/developer/1757391011) | [Teksum Development](https://appshunter.io/developer/1689891632) |

## What reviewers say

### XStudy

[App page](https://appshunter.io/ios/app/xstudy-all-in-one-ai-mentor/id6544795245)

This AI-powered academic mentor helps students learn faster and research smarter with over 30 advanced tools. It offers personalized support, essay assistance, language translation, and problem-solving capabilities, all while promoting academic integrity.

**Highlights:** Adaptive Learning Engine for personalized support, Source-Finder for research papers, Smart Writing Suite for essays, Line-by-Line Translator (100+ languages), AI Photo Solver for math problems, Curriculum-aligned and hallucination-resistant content

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| limited  plan | $0.99 | per month |
| Monthly Unlimited | $1.99 | per month |
| Monthly Limited Plan | $6.99 | per month |
| Monthly Unlimited Plan | $11.49 | per month |
| Quarterly Unlimited Plan | $36.99 | per 3 months |
| Annually Limited Plan | $99.99 | per year |
| Annually Unlimited Plan | $119.99 | per year |
| 300 Diamonds | $9.99 | one-time |
| 600 Diamonds | $19.99 | one-time |
| 1000 Diamonds | $29.99 | one-time |


### 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 |


## Frequently asked questions

### Is XStudy free?

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

### Is Inkulus free?

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

### Which has better reviews, XStudy or Inkulus?

XStudy is rated higher. XStudy averages 4.1 out of 5 from 14 ratings, while Inkulus averages 3.0 from 1 ratings.

### Do XStudy or Inkulus have ads?

Neither XStudy nor Inkulus shows ads.

### Which is updated more often, XStudy or Inkulus?

XStudy ships an update every 3 days, and Inkulus monthly. Most recently, XStudy was updated on November 4, 2026 and Inkulus on November 5, 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.*