# Lab Test Values vs Chest X

The clearest difference is rating: Lab Test Values at 4.5 against Chest X's 1.5. Lab Test Values also leads on in-app purchases (none vs 4) and ratings volume (319 vs 2). Chest X's advantage is update cadence (every 15 months vs every 42 months) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Chest X sells 4 in-app purchases, starting at $2.99 per month. Lab Test Values asks for nothing beyond the download.

Lab Test Values holds the better App Store score, 4.5 against 1.5. That said, the two scores are not equally well evidenced: Lab Test Values has 319 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 14% of Lab Test Values's written reviews are positive against 0% of Chest X's.

Lab Test Values ships an update every 42 months, Chest X every 15 months. The most recent releases landed on October 31, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Lab Test Values | Chest X |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (319 ratings)](https://appshunter.io/ios/app/lab-test-values/id1484865553/reviews)** | [1.5 (2 ratings)](https://appshunter.io/ios/app/chest-x-ray-cxr-made-easy/id6475587499/reviews) |
| Number of ratings | **319** | 2 |
| Positive reviews | **14.3% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 42 months | **Every 15 months** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 9 MB | 64 MB |
| Requires iOS | 16.2 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Ahmad Nakore](https://appshunter.io/developer/1467917019) | [RER MedApps](https://appshunter.io/developer/1720150558) |

## What reviewers say

### Lab Test Values

[App page](https://appshunter.io/ios/app/lab-test-values/id1484865553)

This app offers general information on common laboratory tests, including normal ranges for blood and other body fluid analyses. It covers a wide array of lab disciplines like hematology, biochemistry, and microbiology, serving as an educational resource for students and technicians. It explicitly states it is not for diagnostic purposes.

**Highlights:** Commonly used lab test information, Normal ranges for various tests, Covers hematology, biochemistry, hormones, and more, Includes urinalysis and fecal tests, Information on body fluid and microbiology tests

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

**In-app purchases:** none


### Chest X

[App page](https://appshunter.io/ios/app/chest-x-ray-cxr-made-easy/id6475587499)

Learn to interpret chest X-rays with a comprehensive library of normal and abnormal images. Features detailed annotations, differential diagnoses, and interactive tools for medical students and professionals.

**Highlights:** Extensive Chest X-ray Library, Interactive AP and Lateral Xrays, Detailed Annotations and Overlays, Normal and Abnormal Findings, Differential Diagnoses Guidance, Case Mode for Interpretation Practice

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $2.99 | per month |
| Yearly Subscription | $19.99 | per year |
| Premium 50% Off | $24.99 | one-time |
| Premium Version | $49.99 | one-time |


## Frequently asked questions

### Is Lab Test Values free?

Lab Test Values is free to download, with no in-app purchases.

### Is Chest X free?

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

### Which has better reviews, Lab Test Values or Chest X?

Lab Test Values is rated higher. Lab Test Values averages 4.5 out of 5 from 319 ratings, while Chest X averages 1.5 from 2 ratings.

### Do Lab Test Values or Chest X have ads?

Neither Lab Test Values nor Chest X shows ads.

### Which is updated more often, Lab Test Values or Chest X?

Lab Test Values ships an update every 42 months, and Chest X every 15 months. Most recently, Lab Test Values was updated on October 31, 2026 and Chest X on October 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.*