# GE Purify vs RenTTPlus

The clearest difference is update cadence: RenTTPlus at every 8 months against GE Purify's every 66 months. GE Purify's advantage is iOS requirement (9.0 vs 18.0). 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.

GE Purify ships an update every 66 months, RenTTPlus every 8 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | GE Purify | RenTTPlus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ge-purify/id585193212/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 66 months | **Every 8 months** |
| Monetization | Free | — |
| Size | 17 MB | 29 MB |
| Requires iOS | **9.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [General Electric Company](https://appshunter.io/developer/369181842) | [GE Vernova](https://appshunter.io/developer/1850721170) |

## What reviewers say

### GE Purify

[App page](https://appshunter.io/ios/app/ge-purify/id585193212)

This app simplifies protein purification for researchers and developers. It guides users to the right chromatography products based on their needs, offering technical data and compatibility information.

**Highlights:** Protein purification guidance, Product selection tool, Chromatography media information, Technical data summaries, System and column compatibility hints

**Features:** Vision Pro support

**In-app purchases:** none


### RenTTPlus

[App page](https://appshunter.io/ios/app/renttplus/id1555320447)

**In-app purchases:** none


## Frequently asked questions

### Is GE Purify free?

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

### Is RenTTPlus free?

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

### Do GE Purify or RenTTPlus have ads?

Neither GE Purify nor RenTTPlus shows ads.

### Which is updated more often, GE Purify or RenTTPlus?

GE Purify ships an update every 66 months, and RenTTPlus every 8 months. Most recently, GE Purify was updated on November 1, 2026 and RenTTPlus 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.*