# KidneyDiet vs Hemoglobin

The clearest difference is review sentiment: KidneyDiet at 63% against Hemoglobin's 0%. KidneyDiet also leads on rating (4.4 vs 2.6) and ratings volume (321 vs 5). Hemoglobin's advantage is in-app purchases (none vs 2) and update cadence (fortnightly vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. KidneyDiet sells 2 in-app purchases, starting at $7.99 per month. Hemoglobin asks for nothing beyond the download.

KidneyDiet holds the better App Store score, 4.4 against 2.6. That said, the two scores are not equally well evidenced: KidneyDiet has 321 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 63% of KidneyDiet's written reviews are positive against 0% of Hemoglobin's.

KidneyDiet ships an update every 3 months, Hemoglobin fortnightly. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | KidneyDiet | Hemoglobin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (321 ratings)](https://appshunter.io/ios/app/kidneydiet/id373471282/reviews)** | [2.6 (5 ratings)](https://appshunter.io/ios/app/hemoglobin/id1479731928/reviews) |
| Number of ratings | **321** | 5 |
| Positive reviews | **63.4% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Freemium | **Free** |
| Size | 297 MB | 19 MB |
| Requires iOS | 15.1 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Kismetly, Inc.](https://appshunter.io/developer/373471285) | [Neha Rao](https://appshunter.io/developer/1429750938) |

## What reviewers say

### KidneyDiet

[App page](https://appshunter.io/ios/app/kidneydiet/id373471282)

This app assists individuals with kidney disease in monitoring key nutrients like phosphorus, potassium, and protein. It offers personalized daily guidelines, a comprehensive food database, and detailed nutrient tracking to support informed dietary choices. Users can also log favorite foods and share their progress with healthcare providers.

**Highlights:** Track phosphorus, potassium, and protein, Personalized daily guidelines, Extensive food and nutrient database, Detailed nutrient intake charts, Log favorite foods, Email daily diary

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $7.99 | per month |
| Yearly Subscription | $54.99 | per year |

**What reviewers like**

- ✅ Tracks essential kidney nutrients (phosphorus, potassium, protein)
- 📊 Visual daily totals and progress tracking
- 🔍 Barcode scanner for quick food lookup
- ⭐ Favorites list for frequently eaten foods
- 📧 Email diary feature for sharing with healthcare providers

**What reviewers complain about**

- 🐛 App crashes when viewing nutrition details or adding items
- 🔧 Inconsistent measurement units (grams, ounces, cups)
- 📉 Limited food database compared to competitors
- ❌ Cannot delete items from favorites list
- 🔐 Account creation required before trial

**Reported bugs**

- App crashes when clicking 'see all nutrition' or 'add to diary' buttons
- Barcode scanner not functioning (QR code error)
- Many foods display without portion size options
- Cannot add custom portion sizes for preset foods
- Login and password reset emails not sending

**Requested features**

- Add carbohydrates and cholesterol tracking for diabetic patients
- Allow users to edit saved custom foods
- Ability to delete items from favorites without limitation
- Multi-year subscription discounts
- Recipe builder with automatic nutrient calculation


### Hemoglobin

[App page](https://appshunter.io/ios/app/hemoglobin/id1479731928)

This application helps users monitor their hemoglobin levels and provides timely reminders for tracking. It is designed for patients to manage their health status effectively.

**Highlights:** Hemoglobin status tracking, Patient monitoring, Reminder functionality, Health status management

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KidneyDiet free?

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

### Is Hemoglobin free?

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

### Which has better reviews, KidneyDiet or Hemoglobin?

KidneyDiet is rated higher. KidneyDiet averages 4.4 out of 5 from 321 ratings, while Hemoglobin averages 2.6 from 5 ratings.

### Do KidneyDiet or Hemoglobin have ads?

Neither KidneyDiet nor Hemoglobin shows ads.

### Which is updated more often, KidneyDiet or Hemoglobin?

KidneyDiet ships an update every 3 months, and Hemoglobin fortnightly. Most recently, KidneyDiet was updated on November 6, 2026 and Hemoglobin on November 3, 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.*