# FSOT Practice Test Prep 2026 vs SERG

The clearest difference is update cadence: SERG at fortnightly against FSOT Practice Test Prep 2026's every 3 months. FSOT Practice Test Prep 2026's advantage is iOS requirement (15.1 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. FSOT Practice Test Prep 2026 sells 12 in-app purchases, starting at $5.99 per 7 days and SERG sells 2 in-app purchases, starting at $35.00 per month. Whichever you choose, the download price is not the number that matters.

FSOT Practice Test Prep 2026 ships an update every 3 months, SERG fortnightly. The most recent releases landed on September 19, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | FSOT Practice Test Prep 2026 | SERG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (10 ratings)](https://appshunter.io/ios/app/fsot-practice-test-prep-2026/id6738946221/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 60 MB | 86 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Exam Prep OU](https://appshunter.io/developer/1689642184) | [Safe with SERG inc](https://appshunter.io/developer/1886728506) |

## What reviewers say

### FSOT Practice Test Prep 2026

[App page](https://appshunter.io/ios/app/fsot-practice-test-prep-2026/id6738946221)

Prepare for the Foreign Service Officer Exam with a comprehensive practice test app. Access an extensive question bank, detailed explanations, and simulated exams to build confidence and track your progress. Study anytime, anywhere with customizable plans and a user-friendly interface.

**Highlights:** Updated for 2026 content, Extensive question bank, Detailed explanations for answers, Progress tracking and performance analysis, Customizable study plans, Simulated exam mode, User-friendly interface

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FSOT Weekly Full Access | $5.99 | per 7 days |
| FSOT Weekly Full Access | $7.99 | per 7 days |
| FSOT Monthly Full Access | $14.99 | per month |
| FSOT Monthly Full Access | $14.99 | per month |
| FSOT Monthly Full Access | $19.99 | per month |
| FSOT Monthly Full Access | $19.99 | per month |
| FSOT Quarterly Full Access | $21.99 | per 3 months |
| FSOT Quarterly Full Access | $29.99 | per 3 months |
| FSOT Semiannual Full Access | $39.99 | per 6 months |
| FSOT Annual Full Access | $55.99 | per year |
| FSOT Annual Full Access | $59.99 | per year |
| FSOT Semiannual Full Access | $59.99 | per 6 months |


### SERG

[App page](https://appshunter.io/ios/app/serg/id6760905097)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $35.00 | per month |
| Yearly Subscription | $300.00 | per year |


## Frequently asked questions

### Is FSOT Practice Test Prep 2026 free?

FSOT Practice Test Prep 2026 is free to download, with in-app purchases available.

### Is SERG free?

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

### Do FSOT Practice Test Prep 2026 or SERG have ads?

Neither FSOT Practice Test Prep 2026 nor SERG shows ads.

### Which is updated more often, FSOT Practice Test Prep 2026 or SERG?

FSOT Practice Test Prep 2026 ships an update every 3 months, and SERG fortnightly. Most recently, FSOT Practice Test Prep 2026 was updated on September 19, 2026 and SERG on October 2, 2026.

---

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