# iOptibelt vs SKF Axios

The clearest difference is rating: iOptibelt at 5.0 against SKF Axios's 4.5. iOptibelt also leads on iOS requirement (11 vs 14.0.0). SKF Axios's advantage is update cadence (monthly vs every 5 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.

iOptibelt holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

iOptibelt ships an update every 5 months, SKF Axios monthly. The most recent releases landed on October 8, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | iOptibelt | SKF Axios |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ioptibelt/id537184782/reviews)** | [4.5 (2 ratings)](https://appshunter.io/ios/app/skf-axios/id1659834627/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | Free | Free |
| Size | 45 MB | 8 MB |
| Requires iOS | **11** | 14.0.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Arntz Optibelt Group](https://appshunter.io/developer/537184785) | [SKF](https://appshunter.io/developer/472922971) |

## What reviewers say

### iOptibelt

[App page](https://appshunter.io/ios/app/ioptibelt/id537184782)

Scan drive belt barcodes to instantly access product information and data. Find items in the online catalog, order directly, and track your orders. Includes tools for calculating belt tension and vibration frequency.

**Highlights:** Barcode scanning for belt information, Online catalog search, Direct ordering and order tracking, Belt tension calculator, Vibration frequency calculator, Latest product and news updates

**Features:** macOS Compatibility

**In-app purchases:** none


### SKF Axios

[App page](https://appshunter.io/ios/app/skf-axios/id1659834627)

This app provides a wireless and scalable predictive maintenance solution. It collects and analyzes vibration and temperature data to detect equipment anomalies and alert users to potential machinery issues. The cloud-based service is accessible via mobile or web.

**Highlights:** Wireless monitoring system, Scalable end-to-end solution, Cloud-based condition monitoring, Vibration and temperature data analysis, Equipment anomaly detection, Machinery health notifications

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iOptibelt free?

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

### Is SKF Axios free?

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

### Which has better reviews, iOptibelt or SKF Axios?

iOptibelt is rated higher. iOptibelt averages 5.0 out of 5 from 1 ratings, while SKF Axios averages 4.5 from 2 ratings.

### Do iOptibelt or SKF Axios have ads?

Neither iOptibelt nor SKF Axios shows ads.

### Which is updated more often, iOptibelt or SKF Axios?

iOptibelt ships an update every 5 months, and SKF Axios monthly. Most recently, iOptibelt was updated on October 8, 2026 and SKF Axios on October 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.*