# CDL Study Prep vs MathMentor App

The clearest difference is in-app purchases: CDL Study Prep at none against MathMentor App's 10. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. MathMentor App sells 10 one-off in-app purchases. CDL Study Prep asks for nothing beyond the download.

## The numbers

| Metric | CDL Study Prep | MathMentor App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Size | 35 MB | 110 MB |
| Requires iOS | **15.1** | 15.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Damilola Adedeji](https://appshunter.io/developer/1092994289) | [MATHMENTOR LTD](https://appshunter.io/developer/6779202119) |

## What reviewers say

### CDL Study Prep

[App page](https://appshunter.io/ios/app/cdl-study-prep-2026/id6763359347)

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

**In-app purchases:** none


### MathMentor App

[App page](https://appshunter.io/ios/app/mathmentor-app/id6779202117)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buisiness math 1 | $500.00 | one-time |
| Business Math 2 MATH 221 | $500.00 | one-time |
| Numerical Methods | $609.00 | one-time |
| Calculus 1 | $639.00 | one-time |
| Calculus 3 | $669.00 | one-time |
| Calculus 2 MATH2010 | $669.00 | one-time |
| Probability and Statistics | $679.00 | one-time |
| Calculus 1 (lusail university) | $689.00 | one-time |
| LinearAlgebra LusailUniversity | $689.00 | one-time |
| Mathematics For Engineering | $700.00 | one-time |


## Frequently asked questions

### Is CDL Study Prep free?

CDL Study Prep is free to download, with no in-app purchases.

### Is MathMentor App free?

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

### Do CDL Study Prep or MathMentor App have ads?

Neither CDL Study Prep nor MathMentor App shows ads.

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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.*