# techSampler vs FCC Exam Prep

The clearest difference is rating: FCC Exam Prep at 5.0 against techSampler's 3.0. FCC Exam Prep also leads on update cadence (every 3 days vs every 4 months). techSampler's advantage is iOS requirement (7.0 vs 15.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. techSampler sells 1 one-off in-app purchase and FCC Exam Prep sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

FCC Exam Prep holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

techSampler ships an update every 4 months, FCC Exam Prep every 3 days. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | techSampler | FCC Exam Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/techsampler/id626214040/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fcc-exam-prep/id6757138875/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 38 MB | 29 MB |
| Requires iOS | **7.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Byte Works, Inc.](https://appshunter.io/developer/286319447) | [JINGLUN LI](https://appshunter.io/developer/1795943048) |

## What reviewers say

### techSampler

[App page](https://appshunter.io/ios/app/techsampler/id626214040)

Explore dozens of free, standalone apps with complete source code for electronics, science, math, and graphics. This companion app to a popular book provides executable projects and programming tools for iPhone and iPad.

**Highlights:** Free standalone apps with source code, Electronics and sensor projects, Data collection and analysis, Interactive graphics and programming, Companion to O'Reilly book, Built-in help and debugger, STEM education tools

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Add Editing | $14.99 | one-time |


### FCC Exam Prep

[App page](https://appshunter.io/ios/app/fcc-exam-prep/id6757138875)

Prepare for your amateur radio license exam with a comprehensive study tool. Access a vast question bank, take full-length practice exams, and track your progress. Study efficiently to pass your Technician, General, or Extra class license exams.

**Highlights:** Full question bank for all license levels, Timed practice exams, Progress tracking and statistics, Cross-device access, Instant feedback on answers, Identify weak study areas

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Membership Monthly | $1.99 | per month |
| Premium Membership | $5.99 | one-time |


## Frequently asked questions

### Is techSampler free?

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

### Is FCC Exam Prep free?

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

### Which has better reviews, techSampler or FCC Exam Prep?

FCC Exam Prep is rated higher. techSampler averages 3.0 out of 5 from 2 ratings, while FCC Exam Prep averages 5.0 from 1 ratings.

### Do techSampler or FCC Exam Prep have ads?

Neither techSampler nor FCC Exam Prep shows ads.

### Which is updated more often, techSampler or FCC Exam Prep?

techSampler ships an update every 4 months, and FCC Exam Prep every 3 days. Most recently, techSampler was updated on November 1, 2026 and FCC Exam Prep on October 31, 2026.

---

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