# The IVF Project vs Rainbow data

The clearest difference is update cadence: Rainbow data at every 3 weeks against The IVF Project's every 3 months. Rainbow data also leads on iOS requirement (13.0 vs 15.0). 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.

The IVF Project ships an update every 3 months, Rainbow data every 3 weeks. The most recent releases landed on September 18, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | The IVF Project | Rainbow data |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/the-ivf-project/id1224024079/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 214 MB | 29 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [CRT Capital PTY LTD](https://appshunter.io/developer/1506156562) | [Various MB](https://appshunter.io/developer/1540440733) |

## What reviewers say

### The IVF Project

[App page](https://appshunter.io/ios/app/the-ivf-project/id1224024079)

This app provides personalized exercise programs designed to support individuals undergoing fertility treatments. It offers clear 3D demonstrations, allows tracking of fitness activities and body metrics, and synchronizes with your calendar for at-home or gym workouts.

**Highlights:** Customized daily exercise programs, Tailored programs for fertility treatment stages, Track daily fitness activities, Track weight and body metrics, 3D exercise demonstrations, Calendar synchronization, Apple Health App integration

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

**In-app purchases:** none


### Rainbow data

[App page](https://appshunter.io/ios/app/rainbow-data/id1540440731)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is The IVF Project free?

The IVF Project is free to download, with no in-app purchases.

### Is Rainbow data free?

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

### Do The IVF Project or Rainbow data have ads?

Neither The IVF Project nor Rainbow data shows ads.

### Which is updated more often, The IVF Project or Rainbow data?

The IVF Project ships an update every 3 months, and Rainbow data every 3 weeks. Most recently, The IVF Project was updated on September 18, 2026 and Rainbow data on September 10, 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.*