# TRTP PISCES vs OctaApp

The clearest difference is chart position: OctaApp at #95 against TRTP PISCES's unranked. OctaApp also leads on device support (3 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

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

TRTP PISCES ships an update every 2 months, OctaApp every 6 weeks. The most recent releases landed on October 22, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | TRTP PISCES | OctaApp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.8 (373 ratings)](https://appshunter.io/ios/app/octaapp-donate-plasma/id6749645627/reviews)** |
| Number of ratings | — | **373** |
| Positive reviews | — | 49.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | — | Free |
| Best chart rank | — | **#95** |
| Size | 36 MB | 86 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [MD Anderson Cancer Center](https://appshunter.io/developer/618340093) | [Octapharma Plasma Inc.](https://appshunter.io/developer/1567406996) |

## What reviewers say

### TRTP PISCES

[App page](https://appshunter.io/ios/app/trtp-pisces/id6504302842)

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

**In-app purchases:** none


### OctaApp

[App page](https://appshunter.io/ios/app/octaapp-donate-plasma/id6749645627)

**Currently charting:** #95 Top Free · Medical (US App Store)

This app simplifies the process of donating plasma, allowing users to find donation centers, track their eligibility for future donations, and complete health questionnaires digitally. Users can also manage their loyalty program, refer friends, and view their earnings and card balances.

**Highlights:** Find plasma donation centers, Track next donation eligibility, Complete health questionnaires digitally, Manage loyalty program and points, Refer friends for bonuses, View earnings and card balance, Check company updates and promotions

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

**In-app purchases:** none


## Frequently asked questions

### Is TRTP PISCES free?

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

### Is OctaApp free?

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

### Do TRTP PISCES or OctaApp have ads?

Neither TRTP PISCES nor OctaApp shows ads.

### Which is updated more often, TRTP PISCES or OctaApp?

TRTP PISCES ships an update every 2 months, and OctaApp every 6 weeks. Most recently, TRTP PISCES was updated on October 22, 2026 and OctaApp on October 25, 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.*