# Fastener Pro vs FabCalc

The clearest difference is price: FabCalc at Free against Fastener Pro's $14.99. FabCalc also leads on update cadence (weekly vs every 5 weeks). Fastener Pro's advantage is in-app purchases (none vs 4). On ads, device support and iOS requirement there is nothing between them.

FabCalc is free to download; Fastener Pro costs $14.99 up front. FabCalc sells 4 in-app purchases, starting at $4.99 per month. Fastener Pro asks for nothing beyond the download.

Fastener Pro ships an update every 5 weeks, FabCalc weekly. The most recent releases landed on September 30, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Fastener Pro | FabCalc |
| --- | --- | --- |
| Price | $14.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Weekly** |
| Size | 30 MB | 3 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jeffrey Andrews](https://appshunter.io/developer/1830329495) | [Double Vision USA LLC](https://appshunter.io/developer/1894678139) |

## What reviewers say

### Fastener Pro

[App page](https://appshunter.io/ios/app/fastener-pro/id6752543947)

**Features:** macOS Compatibility

**In-app purchases:** none


### FabCalc

[App page](https://appshunter.io/ios/app/fabcalc-flat-pattern-dxf/id6781708798)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FabCalc Pro Monthly | $4.99 | per month |
| FabCalc Pro Yearly | $29.99 | per year |
| Fab Shop Bundle | $119.99 | one-time |
| ShopCalc Pro Lifetime | $129.99 | one-time |


## Frequently asked questions

### Is Fastener Pro free?

Fastener Pro costs $14.99, with no in-app purchases.

### Is FabCalc free?

FabCalc is free to download, with in-app purchases available.

### Do Fastener Pro or FabCalc have ads?

Neither Fastener Pro nor FabCalc shows ads.

### Which is updated more often, Fastener Pro or FabCalc?

Fastener Pro ships an update every 5 weeks, and FabCalc weekly. Most recently, Fastener Pro was updated on September 30, 2026 and FabCalc on October 5, 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.*