# Topsi vs Pulmonary Technologist Prep

The clearest difference is update cadence: Topsi at every 4 days against Pulmonary Technologist Prep's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Topsi sells 2 in-app purchases, starting at $22.99 per month and Pulmonary Technologist Prep sells 9 in-app purchases, starting at $8.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Topsi ships an update every 4 days, Pulmonary Technologist Prep every 4 months. The most recent releases landed on September 21, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Topsi | Pulmonary Technologist Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 4 months |
| Size | 97 MB | 50 MB |
| Requires iOS | 15.5 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [TADEJA FIRMAN ZAJC](https://appshunter.io/developer/1807969354) | [Exam Prep OU](https://appshunter.io/developer/1689642184) |

## What reviewers say

### Topsi

[App page](https://appshunter.io/ios/app/topsi/id6744528079)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stylist | $22.99 | per month |
| Salon | $59.99 | per month |


### Pulmonary Technologist Prep

[App page](https://appshunter.io/ios/app/pulmonary-technologist-prep/id6747882163)

**Features:** macOS Compatibility

**In-app purchases (9)**

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


## Frequently asked questions

### Is Topsi free?

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

### Is Pulmonary Technologist Prep free?

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

### Do Topsi or Pulmonary Technologist Prep have ads?

Neither Topsi nor Pulmonary Technologist Prep shows ads.

### Which is updated more often, Topsi or Pulmonary Technologist Prep?

Topsi ships an update every 4 days, and Pulmonary Technologist Prep every 4 months. Most recently, Topsi was updated on September 21, 2026 and Pulmonary Technologist Prep on September 24, 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.*