# REBvibe vs Noria Academy

The clearest difference is review sentiment: Noria Academy at 100% against REBvibe's 33%. Noria Academy also leads on rating (5.0 vs 3.0) and update cadence (every 4 months vs every 9 months). REBvibe's advantage is iOS requirement (7.0 vs 15.6). 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.

Noria Academy holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews point the same way: 33% of REBvibe's written reviews are positive against 100% of Noria Academy's.

REBvibe ships an update every 9 months, Noria Academy every 4 months. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | REBvibe | Noria Academy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/rebvibe/id445515440/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/noria-academy/id1437646521/reviews)** |
| Number of ratings | 2 | **4** |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 4 months** |
| Monetization | Free | Free |
| Size | 6 MB | 30 MB |
| Requires iOS | **7.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Motionics LLC](https://appshunter.io/developer/424498959) | [Noria Corporation](https://appshunter.io/developer/570003258) |

## 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


### Noria Academy

[App page](https://appshunter.io/ios/app/noria-academy/id1437646521)

Prepare for machinery lubrication certifications with interactive study modes. Features flashcards, practice exams, and comprehensive charts to track mastery and identify areas needing improvement. Aligns with classroom content for effective pre-course and post-course learning.

**Highlights:** Flashcards with topic sorting, Practice exams (simulated or quick review), Confidence level sorting, Comprehensive progress charts, Alignment with classroom content, Preparation for ICML and MLA certifications

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is REBvibe free?

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

### Is Noria Academy free?

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

### Which has better reviews, REBvibe or Noria Academy?

Noria Academy is rated higher. REBvibe averages 3.0 out of 5 from 2 ratings, while Noria Academy averages 5.0 from 4 ratings.

### Do REBvibe or Noria Academy have ads?

Neither REBvibe nor Noria Academy shows ads.

### Which is updated more often, REBvibe or Noria Academy?

REBvibe ships an update every 9 months, and Noria Academy every 4 months. Most recently, REBvibe was updated on October 14, 2026 and Noria Academy on October 7, 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.*