# CDL Prep vs Scan Coin

The clearest difference is monetization model: CDL Prep at free with in-app purchases against Scan Coin's subscription. CDL Prep also leads on review sentiment (33% vs 14%) and update cadence (every 4 months vs every 15 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. CDL Prep sells 3 in-app purchases, starting at $5.99 per 7 days and Scan Coin sells 2 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

CDL Prep holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 186 and 358 respectively. Written reviews point the same way: 33% of CDL Prep's written reviews are positive against 14% of Scan Coin's.

CDL Prep ships an update every 4 months, Scan Coin every 15 months. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | CDL Prep | Scan Coin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (186 ratings)](https://appshunter.io/ios/app/cdl-prep-practice-test-2026/id6478266679/reviews)** | [4.5 (358 ratings)](https://appshunter.io/ios/app/scan-coin-identifier-scanner/id6740811215/reviews) |
| Number of ratings | 186 | **358** |
| Positive reviews | **33.3% of reviews** | 14.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 15 months |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 50 MB | 226 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Chutima Busaraprapakul](https://appshunter.io/developer/1706710113) | [Georgi Dimitrov](https://appshunter.io/developer/1870767698) |

## What reviewers say

### CDL Prep

[App page](https://appshunter.io/ios/app/cdl-prep-practice-test-2026/id6478266679)

Prepare for your Commercial Driver's License (CDL) exam with practice tests and expert-designed content. This app offers a scientific study system, simulated exams, and detailed explanations to boost your confidence and help you pass on your first attempt.

**Highlights:** Scientific study system, 2,200+ practice questions, Detailed explanations, Simulated exams, Categorized by exam subjects, AI-powered tracking and analysis

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Weekly) | $5.99 | per 7 days |
| Premium (Monthly) | $17.99 | per month |
| Premium (Lifetime) | $99.99 | one-time |


### Scan Coin

[App page](https://appshunter.io/ios/app/scan-coin-identifier-scanner/id6740811215)

This app uses AI to identify coins from photos, providing detailed information like origin, year, and estimated value. It helps collectors manage their digital archives and stay updated on market trends.

**Highlights:** AI-powered coin recognition, Detailed coin profiles, Real-time market valuations, Digital coin collection management, Identification of mint errors and foreign currency

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coin ID Weekly | $7.99 | per 7 days |
| Quarter Coin ID | $39.99 | per 3 months |


## Frequently asked questions

### Is CDL Prep free?

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

### Is Scan Coin free?

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

### Which has better reviews, CDL Prep or Scan Coin?

CDL Prep is rated higher. CDL Prep averages 4.7 out of 5 from 186 ratings, while Scan Coin averages 4.5 from 358 ratings.

### Do CDL Prep or Scan Coin have ads?

Neither CDL Prep nor Scan Coin shows ads.

### Which is updated more often, CDL Prep or Scan Coin?

CDL Prep ships an update every 4 months, and Scan Coin every 15 months. Most recently, CDL Prep was updated on October 24, 2026 and Scan Coin on October 23, 2026.

---

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