# CRT/RRT Flash Cards vs Pulmonary Technologist Exam

The clearest difference is price: Pulmonary Technologist Exam at Free against CRT/RRT Flash Cards's $57.00. Pulmonary Technologist Exam also leads on update cadence (every 3 months vs every 29 months). CRT/RRT Flash Cards's advantage is in-app purchases (none vs 9). On ads, device support and iOS requirement there is nothing between them.

Pulmonary Technologist Exam is free to download; CRT/RRT Flash Cards costs $57.00 up front. Pulmonary Technologist Exam sells 9 in-app purchases, starting at $8.99 per 7 days. CRT/RRT Flash Cards asks for nothing beyond the download.

CRT/RRT Flash Cards ships an update every 29 months, Pulmonary Technologist Exam every 3 months. The most recent releases landed on November 11, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | CRT/RRT Flash Cards | Pulmonary Technologist Exam |
| --- | --- | --- |
| Price | $57.00 | **Free** |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/pulmonary-technologist-exam/id6744002981/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 29 months | **Every 3 months** |
| Monetization | — | Free with in-app purchases |
| Size | 13 MB | 51 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [RTS Publishing Co Inc](https://appshunter.io/developer/604916069) | [Exam Prep OU](https://appshunter.io/developer/1689642184) |

## What reviewers say

### CRT/RRT Flash Cards

[App page](https://appshunter.io/ios/app/crtrrt-flash-cards/id1492505979)

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

**In-app purchases:** none


### Pulmonary Technologist Exam

[App page](https://appshunter.io/ios/app/pulmonary-technologist-exam/id6744002981)

Prepare for the Registered Pulmonary Function Technologist exam with up-to-date content, an extensive question bank, and detailed explanations. Track your progress, create custom study plans, and take simulated exams to build confidence for certification.

**Highlights:** Up-to-date exam content, Extensive question bank, Detailed explanations, Progress tracking, Customizable study plans, Simulated exam mode

**Features:** macOS Compatibility

**In-app purchases (9)**

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


## Frequently asked questions

### Is CRT/RRT Flash Cards free?

CRT/RRT Flash Cards costs $57.00, with no in-app purchases.

### Is Pulmonary Technologist Exam free?

Pulmonary Technologist Exam is free to download, with in-app purchases available.

### Do CRT/RRT Flash Cards or Pulmonary Technologist Exam have ads?

Neither CRT/RRT Flash Cards nor Pulmonary Technologist Exam shows ads.

### Which is updated more often, CRT/RRT Flash Cards or Pulmonary Technologist Exam?

CRT/RRT Flash Cards ships an update every 29 months, and Pulmonary Technologist Exam every 3 months. Most recently, CRT/RRT Flash Cards was updated on November 11, 2026 and Pulmonary Technologist Exam on November 4, 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.*