# TraceCerto vs Layout Calc Pro

The clearest difference is ads: Layout Calc Pro at none against TraceCerto's shown. Layout Calc Pro also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. TraceCerto sells 3 in-app purchases, starting at $3.99 per month and Layout Calc Pro sells 7 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

TraceCerto ships an update every 4 days, Layout Calc Pro every 6 days. The most recent releases landed on September 28, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | TraceCerto | Layout Calc Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/tracecerto/id6443518276/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 6 days |
| Monetization | Ad-supported | — |
| Size | 55 MB | 49 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thiago Miranda De Souza](https://appshunter.io/developer/1646801042) | [思源 李](https://appshunter.io/developer/1704804704) |

## What reviewers say

### TraceCerto

[App page](https://appshunter.io/ios/app/tracecerto/id6443518276)

This professional app provides essential tracing and calculation tools for metal fabrication professionals. It offers quick access to practical functions for various industrial needs, aiming to increase productivity and reduce errors in the workshop.

**Highlights:** Boca de lobo (90°, 45°, eccentric), Chapéu chinês, Concentric reduction, Segmented curve, Cylinder development, Flange calculations, mm ↔ inch conversion, Sheet metal weight calculation

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $3.99 | per month |
| Annual Plan | $24.99 | per year |
| TraceCerto Lifetime | $119.99 | one-time |


### Layout Calc Pro

[App page](https://appshunter.io/ios/app/layout-calc-pro/id6476074424)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Three Day VIP | $5.00 | one-time |
| 1-Year VIP Membership | $19.99 | one-time |
| 2-Year VIP Membership | $34.99 | one-time |
| 3-Year VIP Membership | $44.99 | one-time |
| 1-Year VIP Membership | $55.00 | one-time |
| 2-Year VIP Membership | $104.99 | one-time |
| 3-Year VIP Membership | $154.99 | one-time |


## Frequently asked questions

### Is TraceCerto free?

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

### Is Layout Calc Pro free?

Layout Calc Pro is free to download, with in-app purchases available.

### Do TraceCerto or Layout Calc Pro have ads?

TraceCerto shows ads; Layout Calc Pro does not.

### Which is updated more often, TraceCerto or Layout Calc Pro?

TraceCerto ships an update every 4 days, and Layout Calc Pro every 6 days. Most recently, TraceCerto was updated on September 28, 2026 and Layout Calc Pro on September 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.*