# PKD日記+ vs たいちょうメモリー

The clearest difference is review sentiment: たいちょうメモリー at 100% against PKD日記+'s 0%. たいちょうメモリー also leads on update cadence (fortnightly vs every 8 months). PKD日記+'s advantage is in-app purchases (none vs 4) and iOS requirement (13.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. たいちょうメモリー sells 4 in-app purchases, starting at $5.99 per month. PKD日記+ asks for nothing beyond the download.

PKD日記+ ships an update every 8 months, たいちょうメモリー fortnightly. The most recent releases landed on October 5, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | PKD日記+ | たいちょうメモリー |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 10 MB | 124 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [大塚製薬株式会社](https://appshunter.io/developer/392187188) | [Ai Takaki](https://appshunter.io/developer/1832284401) |

## What reviewers say

### PKD日記+

[App page](https://appshunter.io/ios/app/pkd-plus/id1639840248)

Easily record water intake, urine output, kidney function, and health information to track treatment progress. Visualize trends with graphs and sync with Apple Health for enhanced usability. A tool to help manage daily treatment effectively.

**Highlights:** Record water and urine output, Track kidney function (eGFR, creatinine), Log medication with alarms, Monitor health data (weight, steps, blood pressure), Visualize progress with graphs, Access disease information for ADPKD, Sync with Apple Health

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

**In-app purchases:** none


### たいちょうメモリー

[App page](https://appshunter.io/ios/app/id6749819642)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $5.99 | per month |
| Premium | $59.99 | per year |
| Stool Type Top 3 | $2.99 | one-time |
| Top 3 Types | $2.99 | one-time |


## Frequently asked questions

### Is PKD日記+ free?

PKD日記+ is free to download, with no in-app purchases.

### Is たいちょうメモリー free?

たいちょうメモリー is free to download, with in-app purchases available.

### Do PKD日記+ or たいちょうメモリー have ads?

Neither PKD日記+ nor たいちょうメモリー shows ads.

### Which is updated more often, PKD日記+ or たいちょうメモリー?

PKD日記+ ships an update every 8 months, and たいちょうメモリー fortnightly. Most recently, PKD日記+ was updated on October 5, 2026 and たいちょうメモリー on October 18, 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.*