# BITZER SPOT APP vs Arrco Compressor

The clearest difference is rating: Arrco Compressor at 5.0 against BITZER SPOT APP's 4.5. Arrco Compressor also leads on iOS requirement (12.0 vs 17.6). BITZER SPOT APP's advantage is update cadence (every 2 months vs every 7 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Arrco Compressor holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

BITZER SPOT APP ships an update every 2 months, Arrco Compressor every 7 months. The most recent releases landed on September 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | BITZER SPOT APP | Arrco Compressor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (2 ratings)](https://appshunter.io/ios/app/bitzer-spot-app/id1434285448/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/arrco-compressor/id1558858191/reviews)** |
| Number of ratings | 2 | **4** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 7 months |
| Monetization | Free | Free |
| Size | 6 MB | 42 MB |
| Requires iOS | 17.6 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [BITZER SE](https://appshunter.io/developer/1224090796) | [AMP Microcomputer Inc.](https://appshunter.io/developer/402507347) |

## What reviewers say

### BITZER SPOT APP

[App page](https://appshunter.io/ios/app/bitzer-spot-app/id1434285448)

Verify the authenticity of refrigeration products by scanning QR codes. Access detailed product documentation, find service locations, and get directions, even offline. Protect against counterfeit products and system failures.

**Highlights:** QR code scanning for product authenticity, Access to extensive product documentation, Offline document access, Site directory with contact details, Route planning to service points, Add documentation to favorites

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

**In-app purchases:** none


### Arrco Compressor

[App page](https://appshunter.io/ios/app/arrco-compressor/id1558858191)

Access a database of over 5,000 HVAC system components to find the correct replacement compressor. View performance, electrical, and mechanical data, along with contact and warranty information.

**Highlights:** Cross-reference over 5,000 HVAC components, Find correct compressor replacements, Access performance data, View electrical and mechanical specs, Check warranty information, Find contact details

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BITZER SPOT APP free?

BITZER SPOT APP is free to download, with no in-app purchases.

### Is Arrco Compressor free?

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

### Which has better reviews, BITZER SPOT APP or Arrco Compressor?

Arrco Compressor is rated higher. BITZER SPOT APP averages 4.5 out of 5 from 2 ratings, while Arrco Compressor averages 5.0 from 4 ratings.

### Do BITZER SPOT APP or Arrco Compressor have ads?

Neither BITZER SPOT APP nor Arrco Compressor shows ads.

### Which is updated more often, BITZER SPOT APP or Arrco Compressor?

BITZER SPOT APP ships an update every 2 months, and Arrco Compressor every 7 months. Most recently, BITZER SPOT APP was updated on September 24, 2026 and Arrco Compressor on October 14, 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.*