# Peri Trial vs CKD Tracker

The clearest difference is in-app purchases: Peri Trial at none against CKD Tracker's 10. Peri Trial also leads on update cadence (weekly vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CKD Tracker sells 10 in-app purchases, starting at $9.99 per month. Peri Trial asks for nothing beyond the download.

Peri Trial ships an update weekly, CKD Tracker every 5 months. The most recent releases landed on October 30, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Peri Trial | CKD Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (17 ratings)](https://appshunter.io/ios/app/ckd-tracker/id6769186973/reviews)** |
| Number of ratings | — | **17** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 5 months |
| Monetization | — | Free with in-app purchases |
| Size | 53 MB | 217 MB |
| Requires iOS | 15.6 | **15.5** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 17+ | +4 |
| Developer | [identifyHer](https://appshunter.io/developer/1756877025) | [Digital Therapeutics](https://appshunter.io/developer/1721663167) |

## What reviewers say

### Peri Trial

[App page](https://appshunter.io/ios/app/peri-trial/id6744154626)

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

**In-app purchases:** none


### CKD Tracker

[App page](https://appshunter.io/ios/app/ckd-tracker/id6769186973)

This app helps individuals manage chronic kidney disease by tracking vital health metrics, medications, and dialysis sessions. It provides insights into trends and allows for easy data export to share with healthcare providers. Designed for organized, proactive kidney health management.

**Highlights:** Track eGFR, creatinine, and blood pressure, Log dialysis sessions and fluid intake, Monitor medications and daily symptoms, View trend charts and lab result graphs, Build a care plan with reminders, Export data as PDF or CSV, Apple Watch and Home Screen widget support

**Features:** macOS Compatibility, Siri integration, Apple Watch app, iMessage stickers, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| steady pass | $9.99 | per month |
| weather max | $9.99 | per 3 months |
| monthly access | $9.99 | per month |
| carey ai max | $19.99 | per month |
| carey ai ultra | $29.99 | per month |
| extended access | $39.99 | per year |
| free trial | $59.99 | per year |
| Lite Yearly | $59.99 | per year |
| carey ai credits | $8.99 | one-time |
| Lifetime Upgrade | $119.99 | one-time |


## Frequently asked questions

### Is Peri Trial free?

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

### Is CKD Tracker free?

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

### Do Peri Trial or CKD Tracker have ads?

Neither Peri Trial nor CKD Tracker shows ads.

### Which is updated more often, Peri Trial or CKD Tracker?

Peri Trial ships an update weekly, and CKD Tracker every 5 months. Most recently, Peri Trial was updated on October 30, 2026 and CKD Tracker on November 1, 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.*