# SIE Exam Pro vs PasskeyPrep

The clearest difference is update cadence: PasskeyPrep at every 9 days against SIE Exam Pro's every 6 weeks. PasskeyPrep also leads on iOS requirement (15.1 vs 17.2). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. SIE Exam Pro sells 2 in-app purchases, starting at $7.99 per month and PasskeyPrep sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

SIE Exam Pro ships an update every 6 weeks, PasskeyPrep every 9 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | SIE Exam Pro | PasskeyPrep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sie-exam-pro/id6736676117/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 9 days** |
| Monetization | Subscription | — |
| Size | 9 MB | 65 MB |
| Requires iOS | 17.2 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Cargo Teleport Inc](https://appshunter.io/developer/1761832181) | [CHING TING RUEBEN YU](https://appshunter.io/developer/6788687477) |

## What reviewers say

### SIE Exam Pro

[App page](https://appshunter.io/ios/app/sie-exam-pro/id6736676117)

Prepare for the Securities Industry Essentials (SIE) Exam with a comprehensive finance training tool. Access a vast question bank, detailed explanations, and customizable practice modules to track your progress and refine your study strategy.

**Highlights:** Extensive question repository, In-depth explanations, Customizable practice modules, Real-time performance analytics, Expert study strategies, Intuitive user interface

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly subscription | $7.99 | per month |
| Lifetime version | $19.99 | one-time |


### PasskeyPrep

[App page](https://appshunter.io/ios/app/passkeyprep-cisi-exam-prep/id6788687473)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 90-Day Pass | $59.99 | one-time |


## Frequently asked questions

### Is SIE Exam Pro free?

SIE Exam Pro is free to download, with in-app purchases available.

### Is PasskeyPrep free?

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

### Do SIE Exam Pro or PasskeyPrep have ads?

Neither SIE Exam Pro nor PasskeyPrep shows ads.

### Which is updated more often, SIE Exam Pro or PasskeyPrep?

SIE Exam Pro ships an update every 6 weeks, and PasskeyPrep every 9 days. Most recently, SIE Exam Pro was updated on October 30, 2026 and PasskeyPrep on October 31, 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.*