# Complete ABG vs ABGs NOW! Lite

The clearest difference is review sentiment: Complete ABG at 100% against ABGs NOW! Lite's 0%. Complete ABG also leads on rating (5.0 vs 3.2) and ads (none vs shown). ABGs NOW! Lite's advantage is ratings volume (5 vs 1). On price, in-app purchases and device support there is nothing between them.

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

Complete ABG holds the better App Store score, 5.0 against 3.2. That said, the two scores are not equally well evidenced: ABGs NOW! Lite has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of Complete ABG's written reviews are positive against 0% of ABGs NOW! Lite's.

Complete ABG ships an update every 3 weeks, ABGs NOW! Lite every 2 months. The most recent releases landed on October 21, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Complete ABG | ABGs NOW! Lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/complete-abg/id993718869/reviews)** | [3.2 (5 ratings)](https://appshunter.io/ios/app/abgs-now-lite/id1497090235/reviews) |
| Number of ratings | 1 | **5** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | **Free** | Ad-supported |
| Size | 45 MB | 94 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Satish Deopujari](https://appshunter.io/developer/1180072702) | [Bytewise Studios, LLC](https://appshunter.io/developer/1496483402) |

## What reviewers say

### Complete ABG

[App page](https://appshunter.io/ios/app/complete-abg/id993718869)

This medical app simplifies Arterial Blood Gas (ABG) diagnosis by focusing on the Henderson-Hasselbalch equation. It offers bedside interpretation, extended analysis with various gap calculations, and a flowchart for diagnostic approaches.

**Highlights:** Bedside ABG interpretation, Extended ABG analysis, Anion gap calculation, Delta Delta gap calculation, Osmolar gap calculation, Flowchart diagnostic algorithm

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### ABGs NOW! Lite

[App page](https://appshunter.io/ios/app/abgs-now-lite/id1497090235)

Master arterial blood gas interpretation with this engaging medical app. It offers a calculator for quick answers, practice modes with hints, and a challenge mode to test your skills. Detailed analysis is provided for any incorrect interpretations.

**Highlights:** ABG Calculator, Practice Mode with Hints, Challenge Mode, Detailed Analysis, Knowledge Strengthening

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Complete ABG free?

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

### Is ABGs NOW! Lite free?

ABGs NOW! Lite is free to download, with no in-app purchases.

### Which has better reviews, Complete ABG or ABGs NOW! Lite?

Complete ABG is rated higher. Complete ABG averages 5.0 out of 5 from 1 ratings, while ABGs NOW! Lite averages 3.2 from 5 ratings.

### Do Complete ABG or ABGs NOW! Lite have ads?

ABGs NOW! Lite shows ads; Complete ABG does not.

### Which is updated more often, Complete ABG or ABGs NOW! Lite?

Complete ABG ships an update every 3 weeks, and ABGs NOW! Lite every 2 months. Most recently, Complete ABG was updated on October 21, 2026 and ABGs NOW! Lite on October 27, 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.*