# INR Diary vs INRatio

The clearest difference is price: INRatio at Free against INR Diary's $1.99. INRatio also leads on rating (5.0 vs 4.3) and iOS requirement (13.0 vs 18.0). INR Diary's advantage is ratings volume (6 vs 1). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

INRatio is free to download; INR Diary costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

INRatio holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: INR Diary has 6 ratings behind it against 1, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | INR Diary | INRatio |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [4.3 (6 ratings)](https://appshunter.io/ios/app/inr-diary/id1540505030/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/inratio/id6605932374/reviews)** |
| Number of ratings | **6** | 1 |
| Positive reviews | 79.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Monetization | Free | Free |
| Size | 23 MB | 25 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Web Factor BV](https://appshunter.io/developer/1505203235) | [Radouane EZ ZAGGAB](https://appshunter.io/developer/1761021001) |

## What reviewers say

### INR Diary

[App page](https://appshunter.io/ios/app/inr-diary/id1540505030)

This app helps manage your anticoagulation therapy by tracking medication doses and INR measurements. It provides reminders for daily medication and upcoming INR tests, and visualizes your INR trends over time. Data can be exported for medical consultation.

**Highlights:** Track blood thinner medication doses, Record and visualize INR measurements, Daily medication reminders, INR test reminders, Dose confirmation with timestamps, Data export and import

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

**In-app purchases:** none


### INRatio

[App page](https://appshunter.io/ios/app/inratio/id6605932374)

This app helps users manage anticoagulant treatments by tracking INR levels, providing reminders for medication and tests, and offering guidance on dietary and drug interactions. It serves as a practical guide to support treatment adherence and discussion with healthcare professionals.

**Highlights:** INR level tracking, Medication and test reminders, Historical INR data visualization, Dietary interaction guidance, Drug interaction identification

**In-app purchases:** none


## Frequently asked questions

### Is INR Diary free?

INR Diary costs $1.99, with no in-app purchases.

### Is INRatio free?

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

### Which has better reviews, INR Diary or INRatio?

INRatio is rated higher. INR Diary averages 4.3 out of 5 from 6 ratings, while INRatio averages 5.0 from 1 ratings.

### Do INR Diary or INRatio have ads?

Neither INR Diary nor INRatio shows ads.

### Which is updated more often, INR Diary or INRatio?

INR Diary ships an update every 6 weeks, and INRatio every 6 weeks. Most recently, INR Diary was updated on November 3, 2026 and INRatio 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.*