# Blood pH vs Ecodoc

The clearest difference is price: Ecodoc at Free against Blood pH's $1.99. Ecodoc also leads on iOS requirement (12.0 vs 26). On update cadence, ads, in-app purchases and device support there is nothing between them.

Ecodoc is free to download; Blood pH costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Blood pH ships an update every 2 months, Ecodoc every 3 months. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Blood pH | Ecodoc |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (28 ratings)](https://appshunter.io/ios/app/blood-ph/id969869431/reviews)** | — |
| Number of ratings | **28** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Paid | — |
| Size | 7 MB | 383 MB |
| Requires iOS | 26 | **12.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Remarkable Edge, Lda](https://appshunter.io/developer/532882990) | [Helton Marinho](https://appshunter.io/developer/1657500928) |

## What reviewers say

### Blood pH

[App page](https://appshunter.io/ios/app/blood-ph/id969869431)

This medical app helps healthcare professionals quickly diagnose acid-base disorders in patients. It visualizes patient data on an interactive graph and offers tools to calculate Anion Gap and A-a Difference for better characterization of disturbances. Users can store and track patient evolutions graphically and share reports as PDFs.

**Highlights:** Interactive color graph for acid-base disorders, Graphical tracking of patient evolution, Anion Gap and A-a Difference calculators, Store and compare previous disturbances, Share graphs as PDF reports, Support for mmHg or KPa pressure units

**Features:** Vision Pro support

**In-app purchases:** none


### Ecodoc

[App page](https://appshunter.io/ios/app/ecodoc/id6444870212)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Blood pH free?

Blood pH costs $1.99, with no in-app purchases.

### Is Ecodoc free?

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

### Do Blood pH or Ecodoc have ads?

Neither Blood pH nor Ecodoc shows ads.

### Which is updated more often, Blood pH or Ecodoc?

Blood pH ships an update every 2 months, and Ecodoc every 3 months. Most recently, Blood pH was updated on October 24, 2026 and Ecodoc on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*