# VibraUnits vs Mobius iVibe

The clearest difference is rating: VibraUnits at 4.6 against Mobius iVibe's 3.7. VibraUnits also leads on update cadence (every 10 months vs every 50 months) and review sentiment (88% vs 67%). 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.

VibraUnits holds the better App Store score, 4.6 against 3.7. Both are backed by a comparable volume of ratings — 9 and 7 respectively. Written reviews point the same way: 88% of VibraUnits's written reviews are positive against 67% of Mobius iVibe's.

VibraUnits ships an update every 10 months, Mobius iVibe every 50 months. The most recent releases landed on October 14, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | VibraUnits | Mobius iVibe |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (9 ratings)](https://appshunter.io/ios/app/vibraunits/id445231670/reviews)** | [3.7 (7 ratings)](https://appshunter.io/ios/app/mobius-ivibe/id482836743/reviews) |
| Number of ratings | **9** | 7 |
| Positive reviews | **87.5% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 months** | Every 50 months |
| Monetization | Free | Free |
| Size | 8 MB | 38 MB |
| Requires iOS | **7.0** | 13 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Motionics LLC](https://appshunter.io/developer/424498959) | [Mobius Insitute](https://appshunter.io/developer/482836746) |

## What reviewers say

### VibraUnits

[App page](https://appshunter.io/ios/app/vibraunits/id445231670)

This application facilitates the conversion of mechanical vibration analysis units. It supports conversions between displacement, velocity, and acceleration, along with frequency and various amplitude scales.

**Highlights:** Velocity, acceleration, displacement conversion, Frequency conversion (Hz to CPM), Displacement conversion (mils to microns), Velocity conversion (inch/s to mm/s), Acceleration conversion (G's to m/s^2)

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

**In-app purchases:** none


### Mobius iVibe

[App page](https://appshunter.io/ios/app/mobius-ivibe/id482836743)

This app helps identify machine fault conditions by analyzing spectrum symptoms and machine types. It offers explanations, sample spectra, and diagnostic guidance, functioning like a portable reference guide for troubleshooting. Users can navigate through symptoms, machine types, or fault types to find potential issues.

**Highlights:** Identify machine faults by spectrum symptoms, Browse by machine type to find likely faults, View sample spectral images, Detailed diagnostic information, Scroll through 80 spectral images, Drill down through symptom lists

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

**In-app purchases:** none


## Frequently asked questions

### Is VibraUnits free?

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

### Is Mobius iVibe free?

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

### Which has better reviews, VibraUnits or Mobius iVibe?

VibraUnits is rated higher. VibraUnits averages 4.6 out of 5 from 9 ratings, while Mobius iVibe averages 3.7 from 7 ratings.

### Do VibraUnits or Mobius iVibe have ads?

Neither VibraUnits nor Mobius iVibe shows ads.

### Which is updated more often, VibraUnits or Mobius iVibe?

VibraUnits ships an update every 10 months, and Mobius iVibe every 50 months. Most recently, VibraUnits was updated on October 14, 2026 and Mobius iVibe on October 9, 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.*