# ZoomRx vs IOTOX Algorithm

The clearest difference is rating: IOTOX Algorithm at 5.0 against ZoomRx's 4.6. ZoomRx's advantage is ratings volume (407 vs 1) and device support (3 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

IOTOX Algorithm holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: ZoomRx has 407 ratings behind it against 1, so its average is the more settled of the two.

ZoomRx ships an update every 2 months, IOTOX Algorithm every 6 weeks. The most recent releases landed on October 10, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | ZoomRx | IOTOX Algorithm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (407 ratings)](https://appshunter.io/ios/app/zoomrx/id425662620/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/iotox-algorithm/id6744123485/reviews)** |
| Number of ratings | **407** | 1 |
| Positive reviews | 61.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 37 MB | 7 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [ZoomRx Inc.](https://appshunter.io/developer/354912995) | [MD Anderson Cancer Center](https://appshunter.io/developer/618340093) |

## What reviewers say

### ZoomRx

[App page](https://appshunter.io/ios/app/zoomrx/id425662620)

This platform connects doctors, patients, and pharmaceutical companies for real-time data collection through surveys. It aims to improve healthcare system efficiency by accelerating information flow and enhancing user experiences. Surveys are conducted adhering to CASRO guidelines.

**Highlights:** Real-time survey panels, Connects doctors, patients, pharma, Information flow acceleration, CASRO compliant surveys, Data collection from stakeholders

**In-app purchases:** none

**What reviewers like**

- 👍 User-friendly interface
- 👍 Good compensation for surveys
- 👍 Interesting survey topics
- 👍 Fast and honest compensation
- 👍 Organized survey presentation

**What reviewers complain about**

- 🐛 Technical design issues
- 🐛 Small print, no zoom
- 🐛 Stops headphone playback
- 🐛 Exclusion due to practice duration
- 🐛 Ageism in surveys

**Reported bugs**

- App no longer loads
- Surveys are buggy and freeze
- Cannot access payment
- Surveys stop headphone playback
- Print too small and cannot zoom

**Requested features**

- Ability to zoom on survey print
- Option to combine medication usage
- Better tracking of medication combinations
- More surveys for pediatricians/general providers
- More surveys for specific conditions


### IOTOX Algorithm

[App page](https://appshunter.io/ios/app/iotox-algorithm/id6744123485)

This app provides clinical management algorithms for evaluating, diagnosing, and treating toxicities associated with cancer immunotherapies. It guides physicians on best practices for managing side effects that can arise during cancer treatment.

**Highlights:** Clinical management algorithms, Evaluation of toxicities, Diagnosis of side effects, Treatment of immunotherapy toxicities, Best practices for patient care

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

**In-app purchases:** none


## Frequently asked questions

### Is ZoomRx free?

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

### Is IOTOX Algorithm free?

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

### Which has better reviews, ZoomRx or IOTOX Algorithm?

IOTOX Algorithm is rated higher. ZoomRx averages 4.6 out of 5 from 407 ratings, while IOTOX Algorithm averages 5.0 from 1 ratings.

### Do ZoomRx or IOTOX Algorithm have ads?

Neither ZoomRx nor IOTOX Algorithm shows ads.

### Which is updated more often, ZoomRx or IOTOX Algorithm?

ZoomRx ships an update every 2 months, and IOTOX Algorithm every 6 weeks. Most recently, ZoomRx was updated on October 10, 2026 and IOTOX Algorithm on September 30, 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.*