# UPSnut Pro vs Quad Defects

The clearest difference is price: Quad Defects at Free against UPSnut Pro's $1.99. Quad Defects also leads on update cadence (daily vs every 9 months) and iOS requirement (12.0 vs 16.0). On ads, in-app purchases and device support there is nothing between them.

Quad Defects is free to download; UPSnut Pro costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UPSnut Pro ships an update every 9 months, Quad Defects daily. The most recent releases landed on October 11, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | UPSnut Pro | Quad Defects |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/upsnut-pro/id1642151000/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Daily** |
| Monetization | Paid | — |
| Size | 4 MB | 32 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Ioan Moldovan](https://appshunter.io/developer/1887511727) | [Autosys Industrial Solutions Private Limited](https://appshunter.io/developer/1703269777) |

## What reviewers say

### UPSnut Pro

[App page](https://appshunter.io/ios/app/upsnut-pro/id1642151000)

Monitor your Uninterruptible Power Supply (UPS) status remotely. View battery charge, voltage, and time on battery from a compatible server or network management card. Supports SNMP and dark mode.

**Highlights:** Retrieve UPS status information, Monitor battery charge and voltage, View time on battery, Supports SNMP v1/v2c, Dark mode support, Compatible with iOS 16+

**Features:** Vision Pro support

**In-app purchases:** none


### Quad Defects

[App page](https://appshunter.io/ios/app/quad-defects/id6748558117)

**In-app purchases:** none


## Frequently asked questions

### Is UPSnut Pro free?

UPSnut Pro costs $1.99, with no in-app purchases.

### Is Quad Defects free?

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

### Do UPSnut Pro or Quad Defects have ads?

Neither UPSnut Pro nor Quad Defects shows ads.

### Which is updated more often, UPSnut Pro or Quad Defects?

UPSnut Pro ships an update every 9 months, and Quad Defects daily. Most recently, UPSnut Pro was updated on October 11, 2026 and Quad Defects on October 16, 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.*