# Lab Values Reference Guide vs MLS Medical Laboratory Exam

The clearest difference is rating: MLS Medical Laboratory Exam at 4.4 against Lab Values Reference Guide's 3.1. MLS Medical Laboratory Exam also leads on update cadence (every 3 months vs every 7 months). Lab Values Reference Guide's advantage is in-app purchases (none vs 9) and iOS requirement (9.3 vs 15.1). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. MLS Medical Laboratory Exam sells 9 in-app purchases, starting at $8.99 per 7 days. Lab Values Reference Guide asks for nothing beyond the download.

MLS Medical Laboratory Exam holds the better App Store score, 4.4 against 3.1. Both are backed by a comparable volume of ratings — 10 and 27 respectively.

Lab Values Reference Guide ships an update every 7 months, MLS Medical Laboratory Exam every 3 months. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Lab Values Reference Guide | MLS Medical Laboratory Exam |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (10 ratings)](https://appshunter.io/ios/app/lab-values-reference-guide/id1071740731/reviews) | **[4.4 (27 ratings)](https://appshunter.io/ios/app/mls-medical-laboratory-exam/id6736375000/reviews)** |
| Number of ratings | 10 | **27** |
| Positive reviews | 88.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 27 MB | 58 MB |
| Requires iOS | **9.3** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [William Wyatt](https://appshunter.io/developer/1071740730) | [YAUHEN BAHDANOVICH](https://appshunter.io/developer/1711932790) |

## What reviewers say

### Lab Values Reference Guide

[App page](https://appshunter.io/ios/app/lab-values-reference-guide/id1071740731)

A quick reference tool for normal lab values and interpretation tips. It's designed for students and clinicians in medical fields, offering sorting by value, system, or panel, and includes helpful diagrams.

**Highlights:** Quick reference for normal lab values, PRO tips for interpretation, Sort by lab value, body system, or panel, Includes diagrams for quick reference, Ever-expanding content

**Features:** macOS Compatibility

**In-app purchases:** none


### MLS Medical Laboratory Exam

[App page](https://appshunter.io/ios/app/mls-medical-laboratory-exam/id6736375000)

Prepare for the Medical Laboratory Scientist certification exam with a comprehensive test prep app. It offers expert-crafted questions, realistic simulations, detailed explanations, and personalized study plans to help you master the material and track your progress.

**Highlights:** Expertly crafted practice questions, Realistic timed simulations, Detailed explanations for answers, Personalized study plans, Progress tracking analytics, Regular content updates, Interactive learning tools

**Features:** Vision Pro support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ASCP MLS Weekly Full Access | $8.99 | per 7 days |
| MLS Monthly Full Access | $24.99 | per month |
| ASCP MLS Monthly Full Access | $24.99 | per month |
| MLS Quarterly Full Access | $55.99 | per 3 months |
| MLS Quarterly Full Access | $59.99 | per 3 months |
| MLS Semiannual Full Access | $75.99 | per 6 months |
| MLS Semiannual Full Access | $79.99 | per 6 months |
| MLS Annual Full Access | $109.99 | per year |
| MLS Annual Full Access | $119.99 | per year |


## Frequently asked questions

### Is Lab Values Reference Guide free?

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

### Is MLS Medical Laboratory Exam free?

MLS Medical Laboratory Exam is free to download, with in-app purchases available.

### Which has better reviews, Lab Values Reference Guide or MLS Medical Laboratory Exam?

MLS Medical Laboratory Exam is rated higher. Lab Values Reference Guide averages 3.1 out of 5 from 10 ratings, while MLS Medical Laboratory Exam averages 4.4 from 27 ratings.

### Do Lab Values Reference Guide or MLS Medical Laboratory Exam have ads?

Neither Lab Values Reference Guide nor MLS Medical Laboratory Exam shows ads.

### Which is updated more often, Lab Values Reference Guide or MLS Medical Laboratory Exam?

Lab Values Reference Guide ships an update every 7 months, and MLS Medical Laboratory Exam every 3 months. Most recently, Lab Values Reference Guide was updated on October 24, 2026 and MLS Medical Laboratory Exam on October 22, 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.*