# Curebase vs PI

The clearest difference is update cadence: PI at every 3 weeks against Curebase's every 6 months. Curebase's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Curebase ships an update every 6 months, PI every 3 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Curebase | PI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/curebase/id1437100130/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 16 MB | 14 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Curebase, Inc.](https://appshunter.io/developer/1437100129) | [Refuah Solutions LTD](https://appshunter.io/developer/1473298751) |

## What reviewers say

### Curebase

[App page](https://appshunter.io/ios/app/curebase/id1437100130)

This app helps clinical trial participants manage their study journey. It allows users to sign documents, upload records, schedule appointments, and communicate with telehealth providers, all from a single platform.

**Highlights:** Sign study documents, Upload medical records, Schedule appointments, Telehealth consultations, Complete questionnaires, Receive study compensation

**Features:** macOS Compatibility

**In-app purchases:** none


### PI

[App page](https://appshunter.io/ios/app/pi-support/id1663142410)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Curebase free?

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

### Is PI free?

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

### Do Curebase or PI have ads?

Neither Curebase nor PI shows ads.

### Which is updated more often, Curebase or PI?

Curebase ships an update every 6 months, and PI every 3 weeks. Most recently, Curebase was updated on November 2, 2026 and PI 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.*