# REBvibe vs Mobius iVibeXL

The clearest difference is update cadence: REBvibe at every 9 months against Mobius iVibeXL's every 46 months. REBvibe 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.

REBvibe ships an update every 9 months, Mobius iVibeXL every 46 months. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | REBvibe | Mobius iVibeXL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/rebvibe/id445515440/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 months** | Every 46 months |
| Monetization | Free | — |
| Size | 6 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

### REBvibe

[App page](https://appshunter.io/ios/app/rebvibe/id445515440)

This application calculates fundamental vibration frequencies for rolling element bearings. Users can input bearing geometry or model numbers to determine various frequencies like BPFI, BPFO, BSF, and FTF. Results are provided in both CPM and Hz, with options for selection via a manufacturing database or direct geometry input.

**Highlights:** Calculates BPFI, BPFO, BSF, and FTF, Results in CPM and Hz, Bearing selection by geometry, Bearing selection by model number, Uses bearing manufacturing database

**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 REBvibe free?

REBvibe 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 REBvibe or Mobius iVibeXL have ads?

Neither REBvibe nor Mobius iVibeXL shows ads.

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

REBvibe ships an update every 9 months, and Mobius iVibeXL every 46 months. Most recently, REBvibe was updated on November 1, 2026 and Mobius iVibeXL on November 4, 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.*