# DEFA vs Ubuden

The clearest difference is update cadence: Ubuden at every 3 weeks against DEFA's every 5 months. DEFA's advantage is iOS requirement (12.0 vs 15.1). 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.

DEFA ships an update every 5 months, Ubuden every 3 weeks. The most recent releases landed on October 10, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | DEFA | Ubuden |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/defa/id542334548/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 53 MB | 43 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DEFA AS](https://appshunter.io/developer/452232242) | [JOHN HAAVARD HOEIBY SKUNDBERG](https://appshunter.io/developer/6807522479) |

## What reviewers say

### DEFA

[App page](https://appshunter.io/ios/app/defa/id542334548)

Control DEFA vehicle and home heating, security, and alarm systems remotely. Monitor temperatures, battery voltage, and receive alerts for theft or speed limit breaches. Manage multiple heating zones and integrate with car alarms.

**Highlights:** Remote engine and interior heater control, Monitor battery voltage and temperature, GPS tracking and theft alerts, Burglar alarm notifications, Control up to 6 heating zones, Weather forecast display

**In-app purchases:** none


### Ubuden

[App page](https://appshunter.io/ios/app/ubuden/id6807522477)

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

**In-app purchases:** none


## Frequently asked questions

### Is DEFA free?

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

### Is Ubuden free?

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

### Do DEFA or Ubuden have ads?

Neither DEFA nor Ubuden shows ads.

### Which is updated more often, DEFA or Ubuden?

DEFA ships an update every 5 months, and Ubuden every 3 weeks. Most recently, DEFA was updated on October 10, 2026 and Ubuden 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.*