# CSIS Exam Prep 2026 vs Sterile Processing Prep 2026

The clearest difference is iOS requirement: CSIS Exam Prep 2026 at 15.1 against Sterile Processing Prep 2026's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. CSIS Exam Prep 2026 sells 9 in-app purchases, starting at $8.99 per 7 days and Sterile Processing Prep 2026 sells 3 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | CSIS Exam Prep 2026 | Sterile Processing Prep 2026 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (4 ratings)](https://appshunter.io/ios/app/sterile-processing-prep-2026/id6758952508/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 50 MB | 5 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Exam Prep OU](https://appshunter.io/developer/1689642184) | [Deeun Inc.](https://appshunter.io/developer/1691824695) |

## What reviewers say

### CSIS Exam Prep 2026

[App page](https://appshunter.io/ios/app/csis-exam-prep-2026/id6754504559)

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CSIS Weekly Full Access | $8.99 | per 7 days |
| CSIS Monthly Full Access | $19.99 | per month |
| CSIS Monthly Full Access | $19.99 | per month |
| CSIS Quarterly Full Access | $44.99 | per 3 months |
| CSIS Quarterly Full Access | $44.99 | per 3 months |
| CSIS Semiannual Full Access | $75.99 | per 6 months |
| CSIS Semiannual Full Access | $75.99 | per 6 months |
| CSIS Annual Full Access | $109.99 | per year |
| CSIS Annual Full Access | $109.99 | per year |


### Sterile Processing Prep 2026

[App page](https://appshunter.io/ios/app/sterile-processing-prep-2026/id6758952508)

Prepare for sterile processing certification exams with this comprehensive tool. It offers practice questions, calculators for sterilization and chemical dilutions, and quick reference cards for regulations and terms. Master the knowledge and tools needed for success in the SPD department.

**Highlights:** Sterilization Cycle Calculator, Instrument Tray Builder, Chemical Concentration Calculator, Regulation Quick Cards (AAMI, OSHA, FDA, CDC/TJC), SPD Terms and Acronyms Glossary, 700+ Practice Questions, Covers CRCST (HSPA) Certification

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro - Monthly | $9.99 | per month |
| Prep Pro Annual | $24.99 | per year |
| Pro - Lifetime Access | $49.99 | one-time |


## Frequently asked questions

### Is CSIS Exam Prep 2026 free?

CSIS Exam Prep 2026 is free to download, with in-app purchases available.

### Is Sterile Processing Prep 2026 free?

Sterile Processing Prep 2026 is free to download, with in-app purchases available.

### Do CSIS Exam Prep 2026 or Sterile Processing Prep 2026 have ads?

Neither CSIS Exam Prep 2026 nor Sterile Processing Prep 2026 shows ads.

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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.*