# Hudu Mobile vs FourStage

The clearest difference is update cadence: Hudu Mobile at every 2 months against FourStage's every 4 months. FourStage's advantage is 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.

Hudu Mobile ships an update every 2 months, FourStage every 4 months. The most recent releases landed on October 25, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Hudu Mobile | FourStage |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.9 (7 ratings)](https://appshunter.io/ios/app/hudu-mobile/id1636549436/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 14.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free | — |
| Size | 53 MB | 149 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Hudu Technologies, Inc.](https://appshunter.io/developer/1636549438) | [Vertical Axion, LLC](https://appshunter.io/developer/1697138155) |

## What reviewers say

### Hudu Mobile

[App page](https://appshunter.io/ios/app/hudu-mobile/id1636549436)

Access client details, passwords, and knowledge base articles securely from your mobile device. This app allows technicians to manage documentation and processes on the go, requiring an active Hudu account for full functionality.

**Highlights:** Biometric authentication, Multi-instance switching, Client and password management, Global search, Knowledge base access, Process creation and management, Password autofill

**Features:** macOS Compatibility

**In-app purchases:** none


### FourStage

[App page](https://appshunter.io/ios/app/fourstage/id6451203518)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Hudu Mobile free?

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

### Is FourStage free?

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

### Do Hudu Mobile or FourStage have ads?

Neither Hudu Mobile nor FourStage shows ads.

### Which is updated more often, Hudu Mobile or FourStage?

Hudu Mobile ships an update every 2 months, and FourStage every 4 months. Most recently, Hudu Mobile was updated on October 25, 2026 and FourStage on October 5, 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.*