# ThirdCatheter vs TaskRN

The clearest difference is price: TaskRN at Free against ThirdCatheter's $1.99. TaskRN also leads on iOS requirement (13.0 vs 26.0). ThirdCatheter's advantage is review sentiment (100% vs 67%) and update cadence (every 4 days vs every 2 months). On ads, in-app purchases, monetization model and device support there is nothing between them.

TaskRN is free to download; ThirdCatheter costs $1.99 up front. ThirdCatheter sells 3 in-app purchases, starting at $0.49 per month and TaskRN sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ThirdCatheter ships an update every 4 days, TaskRN every 2 months. The most recent releases landed on September 23, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | ThirdCatheter | TaskRN |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[4.2 (10 ratings)](https://appshunter.io/ios/app/taskrn/id1485468760/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | **100.0% of reviews** | 66.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#197** | — |
| Size | 26 MB | 58 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Masaaki Hirata](https://appshunter.io/developer/942972055) | [Intuitive RN LLC](https://appshunter.io/developer/1323174937) |

## What reviewers say

### ThirdCatheter

[App page](https://appshunter.io/ios/app/thirdcatheter/id1209823996)

**Currently charting:** #197 Top Paid · Medical (US App Store)

This medical reference tool calculates the theoretical minimum diameter for guiding catheters when using three devices. It offers device data pre-installed in new versions and advanced features like net search and gap imaging evaluation in the paid version. Users are advised to consult device manuals for strategy planning.

**Highlights:** Minimum diameter calculation for guiding catheters, Pre-installed device data, Net search and gap imaging evaluation (paid), Device information sharing via AirDrop, Device data editing with CatheterEditor, Calculates space needed for device function

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Month Device Data Use | $0.49 | per month |
| 6 months Device Data Use | $1.99 | per 6 months |
| Fine-tune and save device info. | $1.99 | one-time |


### TaskRN

[App page](https://appshunter.io/ios/app/taskrn/id1485468760)

This app helps nurses manage their patient care tasks efficiently. It allows for creating reminders, receiving automated notifications, and organizing patient information to improve charting accuracy and reduce stress during shifts.

**Highlights:** Patient care reminders, Automated push notifications, Task prioritization, Patient list management, Accurate charting reference, HIPAA compliant

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| full access to ClockWise RN | $1.99 | per month |
| Monthly Subscription | $4.99 | per month |
| Yearly Subscription | $49.99 | per year |


## Frequently asked questions

### Is ThirdCatheter free?

ThirdCatheter costs $1.99, and also offers in-app purchases.

### Is TaskRN free?

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

### Do ThirdCatheter or TaskRN have ads?

Neither ThirdCatheter nor TaskRN shows ads.

### Which is updated more often, ThirdCatheter or TaskRN?

ThirdCatheter ships an update every 4 days, and TaskRN every 2 months. Most recently, ThirdCatheter was updated on September 23, 2026 and TaskRN on September 8, 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.*