# VibraUnits vs Mobius iVibeXL

The clearest difference is update cadence: VibraUnits at every 10 months against Mobius iVibeXL's every 46 months. VibraUnits also leads on device support (3 vs 1) and iOS requirement (7.0 vs 12.0). On price, 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 ships an update every 10 months, Mobius iVibeXL every 46 months. The most recent releases landed on November 1, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | VibraUnits | Mobius iVibeXL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (9 ratings)](https://appshunter.io/ios/app/vibraunits/id445231670/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 87.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 months** | Every 46 months |
| Monetization | Free | — |
| Size | 8 MB | 38 MB |
| Requires iOS | **7.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| 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 iVibeXL

[App page](https://appshunter.io/ios/app/mobius-ivibexl/id1313151859)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is VibraUnits free?

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

### Is Mobius iVibeXL free?

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

### Do VibraUnits or Mobius iVibeXL have ads?

Neither VibraUnits nor Mobius iVibeXL shows ads.

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

VibraUnits ships an update every 10 months, and Mobius iVibeXL every 46 months. Most recently, VibraUnits was updated on November 1, 2026 and Mobius iVibeXL on October 26, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*