# iRotorBalance vs Wiser Vibe

The clearest difference is price: Wiser Vibe at Free against iRotorBalance's $4.99. Wiser Vibe also leads on update cadence (fortnightly vs every 5 months). iRotorBalance's advantage is iOS requirement (7.1 vs 16.0). On ads, in-app purchases and device support there is nothing between them.

Wiser Vibe is free to download; iRotorBalance costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iRotorBalance ships an update every 5 months, Wiser Vibe fortnightly. The most recent releases landed on October 9, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | iRotorBalance | Wiser Vibe |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/irotorbalance/id430978753/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Fortnightly** |
| Monetization | Paid | — |
| Size | 16 MB | 63 MB |
| Requires iOS | **7.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Motionics LLC](https://appshunter.io/developer/424498959) | [Erbessd Instruments LLC](https://appshunter.io/developer/1310045994) |

## What reviewers say

### iRotorBalance

[App page](https://appshunter.io/ios/app/irotorbalance/id430978753)

This technical calculator assists in balancing rotating machinery by determining correction weights and angular positions based on vibration measurements. It offers various balancing techniques and allows users to email detailed reports.

**Highlights:** Single-Plane Balancing (Vector Method), Single-Plane Balancing (4-Runs Method), Two-Plane Balancing (Influence Coefficient Method), Angular Mass Distribution Calculation, Permissible Residual Unbalance Determination, Email results as a report

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

**In-app purchases:** none


### Wiser Vibe

[App page](https://appshunter.io/ios/app/wiser-vibe/id1580431886)

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

**In-app purchases:** none


## Frequently asked questions

### Is iRotorBalance free?

iRotorBalance costs $4.99, with no in-app purchases.

### Is Wiser Vibe free?

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

### Do iRotorBalance or Wiser Vibe have ads?

Neither iRotorBalance nor Wiser Vibe shows ads.

### Which is updated more often, iRotorBalance or Wiser Vibe?

iRotorBalance ships an update every 5 months, and Wiser Vibe fortnightly. Most recently, iRotorBalance was updated on October 9, 2026 and Wiser Vibe on October 20, 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.*