# Graves’ Disease Study vs Thyrowise

Graves’ Disease Study and Thyrowise are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Graves’ Disease Study ships an update every 3 weeks, Thyrowise every 2 weeks. The most recent releases landed on October 25, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Graves’ Disease Study | Thyrowise |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 97 MB | 6 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 12+ | 12+ |
| Developer | [ERT, INC](https://appshunter.io/developer/1160214546) | [ENES AYKUT AYDEMIR](https://appshunter.io/developer/6782291739) |

## What reviewers say

### Graves’ Disease Study

[App page](https://appshunter.io/ios/app/graves-disease-study/id6758835928)

**Features:** Vision Pro support

**In-app purchases:** none


### Thyrowise

[App page](https://appshunter.io/ios/app/thyrowise-thyroid-tracker/id6788131267)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Graves’ Disease Study free?

Graves’ Disease Study is free to download, with no in-app purchases.

### Is Thyrowise free?

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

### Do Graves’ Disease Study or Thyrowise have ads?

Neither Graves’ Disease Study nor Thyrowise shows ads.

### Which is updated more often, Graves’ Disease Study or Thyrowise?

Graves’ Disease Study ships an update every 3 weeks, and Thyrowise every 2 weeks. Most recently, Graves’ Disease Study was updated on October 25, 2026 and Thyrowise on October 20, 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.*