# CDL Prep° vs Math Problem Solver. by Photo

The clearest difference is review sentiment: CDL Prep° at 100% against Math Problem Solver. by Photo's 0%. CDL Prep° also leads on rating (4.8 vs 4.6). Math Problem Solver. by Photo's advantage is update cadence (every 2 days vs every 8 days). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. CDL Prep° sells 2 in-app purchases, starting at $14.99 per month and Math Problem Solver. by Photo sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

CDL Prep° holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 73 and 25 respectively. Written reviews point the same way: 100% of CDL Prep°'s written reviews are positive against 0% of Math Problem Solver. by Photo's.

CDL Prep° ships an update every 8 days, Math Problem Solver. by Photo every 2 days. The most recent releases landed on September 19, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | CDL Prep° | Math Problem Solver. by Photo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (73 ratings)](https://appshunter.io/ios/app/cdl-prep/id6499182714/reviews)** | [4.6 (25 ratings)](https://appshunter.io/ios/app/math-problem-solver-by-photo/id6503018777/reviews) |
| Number of ratings | **73** | 25 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 2 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 152 MB | 44 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | +4 |
| Developer | [CDL Prep , Ltd](https://appshunter.io/developer/1742680114) | [Julia Kucharska](https://appshunter.io/developer/1747807368) |

## What reviewers say

### CDL Prep°

[App page](https://appshunter.io/ios/app/cdl-prep/id6499182714)

Prepare for your Commercial Driver's License (CDL) exam with practice tests, subject drills, and flashcards. Track errors, bookmark questions, and study anytime, anywhere to ensure you're fully prepared for success.

**Highlights:** Simulated practice exams, Subject-specific drills, Error tracking with explanations, Question bookmarking, Flashcard learning mode, Comprehensive study resources

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CDL Prep Monthly | $14.99 | per month |
| CDL Prep Yearly | $39.99 | per year |


### Math Problem Solver. by Photo

[App page](https://appshunter.io/ios/app/math-problem-solver-by-photo/id6503018777)

Instantly solve math problems by taking a photo. Get detailed, step-by-step solutions with explanations for all levels of mathematics, from basic to advanced. Perfect for students and educators needing homework help or a deeper understanding of math concepts.

**Highlights:** Photo-based problem solving, Step-by-step solutions, Explanations of rules and steps, Covers all math levels, Solves equations and word problems, User-friendly interface

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| Annual Premium | $39.99 | per year |


## Frequently asked questions

### Is CDL Prep° free?

CDL Prep° is free to download, with in-app purchases available.

### Is Math Problem Solver. by Photo free?

Math Problem Solver. by Photo is free to download, with in-app purchases available.

### Which has better reviews, CDL Prep° or Math Problem Solver. by Photo?

CDL Prep° is rated higher. CDL Prep° averages 4.8 out of 5 from 73 ratings, while Math Problem Solver. by Photo averages 4.6 from 25 ratings.

### Do CDL Prep° or Math Problem Solver. by Photo have ads?

Neither CDL Prep° nor Math Problem Solver. by Photo shows ads.

### Which is updated more often, CDL Prep° or Math Problem Solver. by Photo?

CDL Prep° ships an update every 8 days, and Math Problem Solver. by Photo every 2 days. Most recently, CDL Prep° was updated on September 19, 2026 and Math Problem Solver. by Photo on October 2, 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.*