# CkdCalc vs 腎臓アプリ V3.0

The clearest difference is price: 腎臓アプリ V3.0 at Free against CkdCalc's $1.99. 腎臓アプリ V3.0 also leads on iOS requirement (11.0 vs 17.5). CkdCalc's advantage is update cadence (every 2 months vs every 19 months). On ads, in-app purchases and device support there is nothing between them.

腎臓アプリ V3.0 is free to download; CkdCalc costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

CkdCalc ships an update every 2 months, 腎臓アプリ V3.0 every 19 months. The most recent releases landed on October 11, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | CkdCalc | 腎臓アプリ V3.0 |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 19 months |
| Monetization | Free | — |
| Size | 1 MB | 163 MB |
| Requires iOS | 17.5 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Yusuke Tsukamoto](https://appshunter.io/developer/1558592719) | [satsuki takahashi](https://appshunter.io/developer/1623320537) |

## What reviewers say

### CkdCalc

[App page](https://appshunter.io/ios/app/ckdcalc/id1558592717)

This medical app is designed for physicians and healthcare professionals to aid in CKD patient care. It offers tools for prognosis prediction based on kidney biopsy, calculating risks for renal replacement therapy, and estimating GFR and ACR.

**Highlights:** Prognosis prediction for IgA nephropathy, Renal replacement therapy risk calculation, Estimated GFR calculation, ACR estimation from PCR or urine dipstick, Protein and salt intake calculation

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

**In-app purchases:** none


### 腎臓アプリ V3.0

[App page](https://appshunter.io/ios/app/v30/id1623320535)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CkdCalc free?

CkdCalc costs $1.99, with no in-app purchases.

### Is 腎臓アプリ V3.0 free?

腎臓アプリ V3.0 is free to download, with no in-app purchases.

### Do CkdCalc or 腎臓アプリ V3.0 have ads?

Neither CkdCalc nor 腎臓アプリ V3.0 shows ads.

### Which is updated more often, CkdCalc or 腎臓アプリ V3.0?

CkdCalc ships an update every 2 months, and 腎臓アプリ V3.0 every 19 months. Most recently, CkdCalc was updated on October 11, 2026 and 腎臓アプリ V3.0 on October 5, 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.*