# Surgical Technologist Mastery vs SID by LayerJot

The clearest difference is in-app purchases: SID by LayerJot at none against Surgical Technologist Mastery's 7. Surgical Technologist Mastery's advantage is ratings volume (3.2K vs 92) and update cadence (every 3 weeks vs every 3 months). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Surgical Technologist Mastery sells 7 in-app purchases, starting at $17.99 per month. SID by LayerJot asks for nothing beyond the download.

SID by LayerJot holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Surgical Technologist Mastery has 3.2K ratings behind it against 92, so its average is the more settled of the two. Written reviews point the same way: 78% of Surgical Technologist Mastery's written reviews are positive against 80% of SID by LayerJot's.

Surgical Technologist Mastery ships an update every 3 weeks, SID by LayerJot every 3 months. The most recent releases landed on October 17, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Surgical Technologist Mastery | SID by LayerJot |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (3.2K ratings)](https://appshunter.io/ios/app/surgical-technologist-mastery/id1068518021/reviews) | **[5.0 (92 ratings)](https://appshunter.io/ios/app/sid-by-layerjot/id1624017506/reviews)** |
| Number of ratings | **3.2K** | 92 |
| Positive reviews | 78.0% of reviews | **80.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Subscription | **Free** |
| Best chart rank | **#189** | — |
| Size | 91 MB | 302 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 12+ |
| Developer | [Higher Learning Technologies](https://appshunter.io/developer/571804544) | [LayerJot Inc](https://appshunter.io/developer/1444476448) |

## What reviewers say

### Surgical Technologist Mastery

[App page](https://appshunter.io/ios/app/surgical-technologist-mastery/id1068518021)

**Currently charting:** #189 Top Grossing · Medical (US App Store)

Prepare for your CST exam with over 1,800 practice questions and detailed explanations. This app features adaptive learning, expert support, and in-depth performance analysis to help you study smarter and pass your certification.

**Highlights:** 1,800+ exam-like practice questions, Detailed explanations and images, Adaptive learning engine, How-to videos on techniques, Community discussions with experts, In-depth performance analysis, Offline study capability

**Features:** Apple Wallet, Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Surgical Tech Exam - 1 Month | $17.99 | per month |
| Monthly Subscription | $23.99 | per month |
| Surgical Tech Exam - 6 Months | $74.99 | per 6 months |
| 6 month subscription | $99.99 | per 6 months |
| Surgical Tech Exam - 12 Months | $111.99 | per year |
| Surgical Technologist - Yearly | $149.99 | per year |
| Expansion Pack | $64.99 | one-time |

**What reviewers like**

- 👍 User-friendly and intuitive
- 🚀 Comprehensive coverage of exam topics
- 💯 Effective in helping users pass certification exams
- 💰 Affordable compared to other resources

**What reviewers complain about**

- 🐛 App crashes or freezes after updates
- 🤖 Inaccurate or outdated questions
- 🤔 Inconsistent performance across devices

**Reported bugs**

- Subscription cancellation issues
- Compatibility problems on certain devices

**Requested features**

- Quick review feature like the book
- Improved customer support responsiveness


### SID by LayerJot

[App page](https://appshunter.io/ios/app/sid-by-layerjot/id1624017506)

Quickly identify surgical instruments using AI-powered scanning or a vast catalog. Access detailed information, including IFUs and descriptions, to enhance accuracy in medical settings.

**Highlights:** AI visual instrument identification, Barcode and SKU scanning, Extensive instrument catalog (3.5M+ items), Detailed instrument descriptions, Integrated IFUs (Instructions for Use), High-resolution images

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Surgical Technologist Mastery free?

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

### Is SID by LayerJot free?

SID by LayerJot is free to download, with no in-app purchases.

### Which has better reviews, Surgical Technologist Mastery or SID by LayerJot?

SID by LayerJot is rated higher. Surgical Technologist Mastery averages 4.8 out of 5 from 3.2K ratings, while SID by LayerJot averages 5.0 from 92 ratings.

### Do Surgical Technologist Mastery or SID by LayerJot have ads?

Neither Surgical Technologist Mastery nor SID by LayerJot shows ads.

### Which is updated more often, Surgical Technologist Mastery or SID by LayerJot?

Surgical Technologist Mastery ships an update every 3 weeks, and SID by LayerJot every 3 months. Most recently, Surgical Technologist Mastery was updated on October 17, 2026 and SID by LayerJot on October 11, 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.*