# StableForm vs HIWU

The clearest difference is update cadence: HIWU at every 2 months against StableForm's every 26 months. 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.

StableForm ships an update every 26 months, HIWU every 2 months. The most recent releases landed on September 8, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | StableForm | HIWU |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/hiwu/id6450844736/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 125 MB | 38 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Rowlytics](https://appshunter.io/developer/1218541816) | [HIWU](https://appshunter.io/developer/1695182654) |

## What reviewers say

### StableForm

[App page](https://appshunter.io/ios/app/stableform/id1400542369)

**Features:** Apple Watch app

**In-app purchases:** none


### HIWU

[App page](https://appshunter.io/ios/app/hiwu/id6450844736)

This application provides information and administration for the Horseracing Integrity and Welfare Unit's Anti-Doping and Medication Control Program. It serves to enforce rules and manage medication control within horseracing.

**Highlights:** Administers Anti-Doping and Medication Control Program, Enforces Horseracing Integrity and Safety Authority rules, Established by Drug Free Sport International, Information on medication control in horseracing

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

**In-app purchases:** none


## Frequently asked questions

### Is StableForm free?

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

### Is HIWU free?

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

### Do StableForm or HIWU have ads?

Neither StableForm nor HIWU shows ads.

### Which is updated more often, StableForm or HIWU?

StableForm ships an update every 26 months, and HIWU every 2 months. Most recently, StableForm was updated on September 8, 2026 and HIWU on September 15, 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.*