# TT vs Workup by RadAnalyzer

The clearest difference is in-app purchases: TT at none against Workup by RadAnalyzer's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Workup by RadAnalyzer sells 3 in-app purchases, starting at $2.99 per 7 days. TT asks for nothing beyond the download.

TT ships an update every 2 months, Workup by RadAnalyzer every 5 weeks. The most recent releases landed on October 8, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | TT | Workup by RadAnalyzer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/workup-by-radanalyzer/id6760440746/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | — | Subscription |
| Size | 11 MB | 52 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [田 张](https://appshunter.io/developer/1766038243) | [RadAnalyzer LLC](https://appshunter.io/developer/1610036748) |

## What reviewers say

### TT

[App page](https://appshunter.io/ios/app/tt-ots100/id6747674762)

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

**In-app purchases:** none


### Workup by RadAnalyzer

[App page](https://appshunter.io/ios/app/workup-by-radanalyzer/id6760440746)

This app provides AI-powered veterinary tools for cardiac assessment, kidney function prediction, and drug dosing. It includes clinical calculators, radiograph measurements, and client handouts, with offline access for drug information.

**Highlights:** AI-powered cardiac assessment, Kidney function prediction, Drug dose calculator (300+ drugs), VHS/VLAS radiograph measurement, Clinical calculator suite, Client handouts (PDF export), Dark mode support

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Workup Pro (Weekly) | $2.99 | per 7 days |
| Workup Pro (Monthly) | $9.99 | per month |
| Workup Pro (Annual) | $99.99 | per year |


## Frequently asked questions

### Is TT free?

TT is free to download, with no in-app purchases.

### Is Workup by RadAnalyzer free?

Workup by RadAnalyzer is free to download, with in-app purchases available.

### Do TT or Workup by RadAnalyzer have ads?

Neither TT nor Workup by RadAnalyzer shows ads.

### Which is updated more often, TT or Workup by RadAnalyzer?

TT ships an update every 2 months, and Workup by RadAnalyzer every 5 weeks. Most recently, TT was updated on October 8, 2026 and Workup by RadAnalyzer on October 13, 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.*