# HelicopterSchool vs CDL Zero Permit Practice

The clearest difference is update cadence: CDL Zero Permit Practice at every 2 months against HelicopterSchool's every 9 months. CDL Zero Permit Practice also leads on iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. HelicopterSchool sells 2 in-app purchases, starting at $24.99 per month and CDL Zero Permit Practice sells 4 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

HelicopterSchool ships an update every 9 months, CDL Zero Permit Practice every 2 months. The most recent releases landed on October 7, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | HelicopterSchool | CDL Zero Permit Practice |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cdl-zero-permit-practice/id6757250472/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 months** |
| Monetization | — | Freemium |
| Size | 26 MB | 38 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SIRT6APPS LLC](https://appshunter.io/developer/1571018979) | [Victor Rodriguez](https://appshunter.io/developer/1865544820) |

## What reviewers say

### HelicopterSchool

[App page](https://appshunter.io/ios/app/helicopterschool/id6447078178)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $24.99 | per month |
| Full Access | $179.99 | per year |


### CDL Zero Permit Practice

[App page](https://appshunter.io/ios/app/cdl-zero-permit-practice/id6757250472)

Prepare for your Commercial Driver's License (CDL) permit exam with realistic practice questions and progress tracking. This app offers a focused, distraction-free study experience for aspiring Class A and Class B drivers.

**Highlights:** Practice questions based on official CDL topics, Exam-style question sets, Progress tracking, Distraction-free design, Mobile-friendly learning

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CDL Zero Premium (Monthly) | $9.99 | per month |
| CDL Zero Yearly | $29.99 | per year |
| CDL Zero Standard Pass | $14.99 | one-time |
| CDL Zero Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is HelicopterSchool free?

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

### Is CDL Zero Permit Practice free?

CDL Zero Permit Practice is free to download, with in-app purchases available.

### Do HelicopterSchool or CDL Zero Permit Practice have ads?

Neither HelicopterSchool nor CDL Zero Permit Practice shows ads.

### Which is updated more often, HelicopterSchool or CDL Zero Permit Practice?

HelicopterSchool ships an update every 9 months, and CDL Zero Permit Practice every 2 months. Most recently, HelicopterSchool was updated on October 7, 2026 and CDL Zero Permit Practice on September 24, 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.*