# RAyTools vs FabCalc

The clearest difference is in-app purchases: RAyTools at none against FabCalc's 4. FabCalc's advantage is update cadence (weekly vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. FabCalc sells 4 in-app purchases, starting at $4.99 per month. RAyTools asks for nothing beyond the download.

RAyTools ships an update every 4 months, FabCalc weekly. Both last shipped on October 5, 2026.

## The numbers

| Metric | RAyTools | FabCalc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Size | 38 MB | 3 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [RACOM s.r.o.](https://appshunter.io/developer/1279358254) | [Double Vision USA LLC](https://appshunter.io/developer/1894678139) |

## What reviewers say

### RAyTools

[App page](https://appshunter.io/ios/app/raytools/id1667871328)

**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 RAyTools free?

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

### Is FabCalc free?

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

### Do RAyTools or FabCalc have ads?

Neither RAyTools nor FabCalc shows ads.

### Which is updated more often, RAyTools or FabCalc?

RAyTools ships an update every 4 months, and FabCalc weekly. Most recently, RAyTools was updated on October 5, 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.*