# Test Prep for SCSA CSA Exam vs SERG

The clearest difference is update cadence: SERG at fortnightly against Test Prep for SCSA CSA Exam's every 7 months. Test Prep for SCSA CSA Exam'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. Test Prep for SCSA CSA Exam sells 9 in-app purchases, starting at $8.99 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.

Test Prep for SCSA CSA Exam ships an update every 7 months, SERG fortnightly. The most recent releases landed on October 2, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Test Prep for SCSA CSA Exam | SERG |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Fortnightly** |
| Size | 40 MB | 85 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 17+ |
| Developer | [YAUHEN BAHDANOVICH](https://appshunter.io/developer/1711932790) | [Safe with SERG inc](https://appshunter.io/developer/1886728506) |

## What reviewers say

### Test Prep for SCSA CSA Exam

[App page](https://appshunter.io/ios/app/test-prep-for-scsa-csa-exam/id6738328629)

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CSA Weekly Full Access | $8.99 | per 7 days |
| CSA Monthly Full Access | $24.99 | per month |
| CSA Monthly Full Access | $34.99 | per month |
| CSA Quarterly Full Access | $55.99 | per 3 months |
| CSA Quarterly Full Access | $59.99 | per 3 months |
| CSA Semiannual Full Access | $75.99 | per 6 months |
| CSA Semiannual Full Access | $79.99 | per 6 months |
| CSA Annual Full Access | $109.99 | per year |
| CSA Annual Full Access | $119.99 | per year |


### 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 Test Prep for SCSA CSA Exam free?

Test Prep for SCSA CSA Exam is free to download, with in-app purchases available.

### Is SERG free?

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

### Do Test Prep for SCSA CSA Exam or SERG have ads?

Neither Test Prep for SCSA CSA Exam nor SERG shows ads.

### Which is updated more often, Test Prep for SCSA CSA Exam or SERG?

Test Prep for SCSA CSA Exam ships an update every 7 months, and SERG fortnightly. Most recently, Test Prep for SCSA CSA Exam was updated on October 2, 2026 and SERG on October 18, 2026.

---

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