# TreeOneOne vs CompTIA Security+ Exam Pro

The clearest difference is in-app purchases: TreeOneOne at none against CompTIA Security+ Exam Pro's 2. TreeOneOne also leads on update cadence (weekly vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CompTIA Security+ Exam Pro sells 2 in-app purchases, starting at $9.99 per month. TreeOneOne asks for nothing beyond the download.

TreeOneOne ships an update weekly, CompTIA Security+ Exam Pro every 6 weeks. Both last shipped on September 11, 2026.

## The numbers

| Metric | TreeOneOne | CompTIA Security+ Exam Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 6 weeks |
| Size | 1 MB | 9 MB |
| Requires iOS | **16.3** | 17.2 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jeremy Gordon](https://appshunter.io/developer/1589115034) | [Cargo Teleport Inc](https://appshunter.io/developer/1761832181) |

## What reviewers say

### TreeOneOne

[App page](https://appshunter.io/ios/app/treeoneone/id6450873900)

**In-app purchases:** none


### CompTIA Security+ Exam Pro

[App page](https://appshunter.io/ios/app/comptia-security-plus-exam-pro/id6670739204)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly subscription | $9.99 | per month |
| Lifetime version | $24.99 | one-time |


## Frequently asked questions

### Is TreeOneOne free?

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

### Is CompTIA Security+ Exam Pro free?

CompTIA Security+ Exam Pro is free to download, with in-app purchases available.

### Do TreeOneOne or CompTIA Security+ Exam Pro have ads?

Neither TreeOneOne nor CompTIA Security+ Exam Pro shows ads.

### Which is updated more often, TreeOneOne or CompTIA Security+ Exam Pro?

TreeOneOne ships an update weekly, and CompTIA Security+ Exam Pro every 6 weeks. Most recently, TreeOneOne was updated on September 11, 2026 and CompTIA Security+ Exam Pro on September 11, 2026.

---

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