# Surgical Technologist CST Prep vs Surgical Instrument Learning

The clearest difference is update cadence: Surgical Instrument Learning at every 4 days against Surgical Technologist CST Prep's every 12 months. Surgical Technologist CST Prep's advantage is iOS requirement (14.0 vs 16.4). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Surgical Technologist CST Prep sells 2 in-app purchases, starting at $9.99 per month and Surgical Instrument Learning sells 2 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Surgical Technologist CST Prep against 5.0 for Surgical Instrument Learning. Both are backed by a comparable volume of ratings — 5 and 2 respectively.

Surgical Technologist CST Prep ships an update every 12 months, Surgical Instrument Learning every 4 days. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Surgical Technologist CST Prep | Surgical Instrument Learning |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (5 ratings)](https://appshunter.io/ios/app/surgical-technologist-cst-prep/id6473753856/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/surgical-instrument-learning/id6809893449/reviews) |
| Number of ratings | **5** | 2 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 4 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 9 MB | 61 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [FLUENT AAC TECHNOLOGY S.R.L.](https://appshunter.io/developer/1547000580) | [CSTSetup](https://appshunter.io/developer/1886831213) |

## What reviewers say

### Surgical Technologist CST Prep

[App page](https://appshunter.io/ios/app/surgical-technologist-cst-prep/id6473753856)

Prepare for the AST CST exam with over 3000 practice questions and flashcards. Master key areas like surgical procedures, sterilization, and patient safety. This app aims to make studying engaging and effective for aspiring surgical technologists.

**Highlights:** 3000+ exam-like questions, 1000+ flashcards, Multiple practice tests, Covers all exam areas, Real-life scenarios, Engaging study methods

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1-Month Premium | $9.99 | per month |
| 1-Month Premium | $24.99 | per month |


### Surgical Instrument Learning

[App page](https://appshunter.io/ios/app/surgical-instrument-learning/id6809893449)

Master surgical instruments with flashcards and exams based on real photographs. Practice identifying instruments for specific surgeries and trays, track your progress, and even add custom instruments. Pro members get access to interactive 3D models.

**Highlights:** 3,300+ instruments with photos, Flashcards, practice tests, timed exams, 3D instrument models (Pro), Tray and surgery practice, Progress tracking, Custom instrument addition, Instrument of the Day

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CSTSetup Monthly Pro | $12.99 | per month |
| CSTSetup Yearly Pro | $155.99 | per year |


## Frequently asked questions

### Is Surgical Technologist CST Prep free?

Surgical Technologist CST Prep is free to download, with in-app purchases available.

### Is Surgical Instrument Learning free?

Surgical Instrument Learning is free to download, with in-app purchases available.

### Which has better reviews, Surgical Technologist CST Prep or Surgical Instrument Learning?

Surgical Technologist CST Prep and Surgical Instrument Learning are both rated 5.0 out of 5 on the App Store, from 5 and 2 ratings respectively.

### Do Surgical Technologist CST Prep or Surgical Instrument Learning have ads?

Neither Surgical Technologist CST Prep nor Surgical Instrument Learning shows ads.

### Which is updated more often, Surgical Technologist CST Prep or Surgical Instrument Learning?

Surgical Technologist CST Prep ships an update every 12 months, and Surgical Instrument Learning every 4 days. Most recently, Surgical Technologist CST Prep was updated on November 4, 2026 and Surgical Instrument Learning 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.*