# Revor vs NIH Toolbox

The clearest difference is rating: Revor at 4.9 against NIH Toolbox's 1.0. Revor also leads on in-app purchases (none vs 4) and update cadence (every 4 weeks vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. NIH Toolbox sells 4 in-app purchases, starting at $0.99 per 7 days. Revor asks for nothing beyond the download.

Revor holds the better App Store score, 4.9 against 1.0. That said, the two scores are not equally well evidenced: Revor has 9 ratings behind it against 1, so its average is the more settled of the two.

Revor ships an update every 4 weeks, NIH Toolbox every 4 months. The most recent releases landed on November 11, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Revor | NIH Toolbox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (9 ratings)](https://appshunter.io/ios/app/revor/id770970975/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/nih-toolbox/id1002228307/reviews) |
| Number of ratings | **9** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 4 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 640 MB | 715 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | **iPhone, iPad** | iPad |
| Age rating | 17+ | 4+ |
| Developer | [Epic](https://appshunter.io/developer/348308666) | [Glinberg & Associates, Inc](https://appshunter.io/developer/981361720) |

## What reviewers say

### Revor

[App page](https://appshunter.io/ios/app/revor/id770970975)

This application allows project team members and system administrators to preview upcoming development for organizations using Epic Rover. It requires a licensed Rover account and an Epic version of 2010 or later. Specific features depend on your organization's configuration.

**Highlights:** Preview upcoming development, For project team members, For system administrators, Requires licensed Rover, Supports Epic 2010+

**Features:** Siri integration

**In-app purchases:** none


### NIH Toolbox

[App page](https://appshunter.io/ios/app/nih-toolbox/id1002228307)

This legacy app provides a comprehensive set of measures for cognitive, emotional, motor, and sensory function in individuals aged 3-85. Designed for research and clinical use, it offers streamlined workflows for over 50 tests. Note: this version will be retired in June 2028.

**Highlights:** Cognitive, emotional, motor, sensory function assessment, Ages 3-85, Research and clinical use, Streamlined workflows, Over 50 tests, Crosswalk among measures

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NIH Toolbox Assessments | $0.99 | per 7 days |
| NIH Toolbox Assessments | $499.99 | per year |
| NIH Toolbox Assessments | $499.99 | per year |
| NIH Toolbox Assessments | $1299.99 | per year |


## Frequently asked questions

### Is Revor free?

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

### Is NIH Toolbox free?

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

### Which has better reviews, Revor or NIH Toolbox?

Revor is rated higher. Revor averages 4.9 out of 5 from 9 ratings, while NIH Toolbox averages 1.0 from 1 ratings.

### Do Revor or NIH Toolbox have ads?

Neither Revor nor NIH Toolbox shows ads.

### Which is updated more often, Revor or NIH Toolbox?

Revor ships an update every 4 weeks, and NIH Toolbox every 4 months. Most recently, Revor was updated on November 11, 2026 and NIH Toolbox on November 1, 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.*