# Lab Values Reference Guide vs Straight Nursing

The clearest difference is rating: Straight Nursing at 4.5 against Lab Values Reference Guide's 2.9. Straight Nursing also leads on update cadence (fortnightly vs every 7 months) and review sentiment (100% vs 89%). Lab Values Reference Guide's advantage is in-app purchases (none vs 2) and iOS requirement (9.3 vs 12.4). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Straight Nursing sells 2 in-app purchases, starting at $5.99 per month. Lab Values Reference Guide asks for nothing beyond the download.

Straight Nursing holds the better App Store score, 4.5 against 2.9. Both are backed by a comparable volume of ratings — 9 and 11 respectively. Written reviews point the same way: 89% of Lab Values Reference Guide's written reviews are positive against 100% of Straight Nursing's.

Lab Values Reference Guide ships an update every 7 months, Straight Nursing fortnightly. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Lab Values Reference Guide | Straight Nursing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.9 (9 ratings)](https://appshunter.io/ios/app/lab-values-reference-guide/id1071740731/reviews) | **[4.5 (11 ratings)](https://appshunter.io/ios/app/straight-nursing/id6450931211/reviews)** |
| Number of ratings | 9 | **11** |
| Positive reviews | 88.9% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 27 MB | 33 MB |
| Requires iOS | **9.3** | 12.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [William Wyatt](https://appshunter.io/developer/1071740730) | [Digital Health Education LLC](https://appshunter.io/developer/1695762532) |

## 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


### Straight Nursing

[App page](https://appshunter.io/ios/app/straight-nursing/id6450931211)

Prepare for nursing school exams and the NCLEX with a vast collection of flashcards. Study key nursing topics conveniently on your mobile device, anytime and anywhere. This app acts as a personal study companion for students.

**Highlights:** 5000+ nurse educator-written flashcards, Covers Med Surg, Pediatrics, Maternal-Newborn, Fundamentals, Mental Health, Easy tap-to-flip navigation, Lite version available for free, Upgrade for full access and missed question review, Ideal for nursing school exams and NCLEX

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Straight A Nursing | $5.99 | per month |
| Straight A Nursing | $49.99 | 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 Straight Nursing free?

Straight Nursing is free to download, with in-app purchases available.

### Which has better reviews, Lab Values Reference Guide or Straight Nursing?

Straight Nursing is rated higher. Lab Values Reference Guide averages 2.9 out of 5 from 9 ratings, while Straight Nursing averages 4.5 from 11 ratings.

### Do Lab Values Reference Guide or Straight Nursing have ads?

Neither Lab Values Reference Guide nor Straight Nursing shows ads.

### Which is updated more often, Lab Values Reference Guide or Straight Nursing?

Lab Values Reference Guide ships an update every 7 months, and Straight Nursing fortnightly. Most recently, Lab Values Reference Guide was updated on October 2, 2026 and Straight Nursing on October 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.*