# iTrees App vs Certified Arborist Exam Prep

The clearest difference is in-app purchases: iTrees App at none against Certified Arborist Exam Prep's 12. iTrees App also leads on iOS requirement (13.4 vs 15.1). Certified Arborist Exam Prep's advantage is update cadence (every 3 months vs every 16 months). On price, ads and device support there is nothing between them.

Both are free to download. Certified Arborist Exam Prep sells 12 in-app purchases, starting at $8.99 per 7 days. iTrees App asks for nothing beyond the download.

iTrees App ships an update every 16 months, Certified Arborist Exam Prep every 3 months. The most recent releases landed on September 17, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | iTrees App | Certified Arborist Exam Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (31 ratings)](https://appshunter.io/ios/app/certified-arborist-exam-prep/id6744638124/reviews)** |
| Number of ratings | — | **31** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 3 months** |
| Monetization | — | Free with in-app purchases |
| Size | 64 MB | 57 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [LadyBird Environmental Consulting LLP](https://appshunter.io/developer/1610706833) | [YAUHEN BAHDANOVICH](https://appshunter.io/developer/1711932790) |

## What reviewers say

### iTrees App

[App page](https://appshunter.io/ios/app/itrees-app/id6742198455)

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

**In-app purchases:** none


### Certified Arborist Exam Prep

[App page](https://appshunter.io/ios/app/certified-arborist-exam-prep/id6744638124)

Prepare for the Certified Arborist Exam with a comprehensive test prep program. Access an extensive question bank, detailed explanations, and progress tracking to build confidence and master arboriculture skills for the 2026 exam.

**Highlights:** Up-to-date for 2026 exam content, Extensive ISA-style question bank, Detailed explanations for every answer, Progress tracking and performance analysis, Customizable study plans, Simulated timed exam mode

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Arborist Weekly Full Access | $8.99 | per 7 days |
| Arborist Weekly Full Access | $12.99 | per 7 days |
| Arborist Monthly Full Access | $24.99 | per month |
| Arborist Monthly Full Access | $24.99 | per month |
| Arborist Monthly Full Access | $29.99 | per month |
| Arborist Monthly Full Access | $29.99 | per month |
| Arborist Quarterly Full Access | $55.99 | per 3 months |
| Arborist Quarterly Full Access | $59.99 | per 3 months |
| Arborist Semiannual Access | $75.99 | per 6 months |
| Arborist Semiannual Access | $79.99 | per 6 months |
| Arborist Annual Full Access | $109.99 | per year |
| Arborist Annual Full Access | $119.99 | per year |


## Frequently asked questions

### Is iTrees App free?

iTrees App is free to download, with no in-app purchases.

### Is Certified Arborist Exam Prep free?

Certified Arborist Exam Prep is free to download, with in-app purchases available.

### Do iTrees App or Certified Arborist Exam Prep have ads?

Neither iTrees App nor Certified Arborist Exam Prep shows ads.

### Which is updated more often, iTrees App or Certified Arborist Exam Prep?

iTrees App ships an update every 16 months, and Certified Arborist Exam Prep every 3 months. Most recently, iTrees App was updated on September 17, 2026 and Certified Arborist Exam Prep on September 18, 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.*