# Fastener Calc vs Wireless Balancer

The clearest difference is price: Wireless Balancer at Free against Fastener Calc's $2.99. Fastener Calc's advantage is iOS requirement (8.0 vs 15.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Wireless Balancer is free to download; Fastener Calc costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Fastener Calc ships an update every 4 months, Wireless Balancer every 3 months. The most recent releases landed on October 20, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Fastener Calc | Wireless Balancer |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/fastener-calc/id388420104/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Paid | — |
| Size | 8 MB | 183 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bossard AG](https://appshunter.io/developer/388420107) | [ACOEM Group](https://appshunter.io/developer/1495816959) |

## What reviewers say

### Fastener Calc

[App page](https://appshunter.io/ios/app/fastener-calc/id388420104)

This app provides engineers, technicians, and students with essential tools for bolted joint development. It includes converters for various units and geometrical and mechanical calculators for dimensioning and design in joining technology.

**Highlights:** Unit converters (length, torque, pressure, force), Metric-imperial fastener conversion, Drill hole size calculator, Tapping screw pilot hole design, Bolt size and property class estimation, Disc spring calculator, Thread engagement length calculator

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

**In-app purchases:** none


### Wireless Balancer

[App page](https://appshunter.io/ios/app/wireless-balancer/id6747765790)

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

**In-app purchases:** none


## Frequently asked questions

### Is Fastener Calc free?

Fastener Calc costs $2.99, with no in-app purchases.

### Is Wireless Balancer free?

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

### Do Fastener Calc or Wireless Balancer have ads?

Neither Fastener Calc nor Wireless Balancer shows ads.

### Which is updated more often, Fastener Calc or Wireless Balancer?

Fastener Calc ships an update every 4 months, and Wireless Balancer every 3 months. Most recently, Fastener Calc was updated on October 20, 2026 and Wireless Balancer on October 17, 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.*