# TraceCerto vs Calha Facil

The clearest difference is in-app purchases: Calha Facil at none against TraceCerto's 3. Calha Facil also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. TraceCerto sells 3 in-app purchases, starting at $3.99 per month. Calha Facil asks for nothing beyond the download.

TraceCerto ships an update every 4 days, Calha Facil weekly. The most recent releases landed on September 28, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | TraceCerto | Calha Facil |
| --- | --- | --- |
| 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 | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | Ad-supported | — |
| Size | 55 MB | 30 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thiago Miranda De Souza](https://appshunter.io/developer/1646801042) | [Guilherme Ferrari](https://appshunter.io/developer/1766633423) |

## 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 |


### Calha Facil

[App page](https://appshunter.io/ios/app/calha-facil/id6670519984)

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

**In-app purchases:** none


## Frequently asked questions

### Is TraceCerto free?

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

### Is Calha Facil free?

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

### Do TraceCerto or Calha Facil have ads?

TraceCerto shows ads; Calha Facil does not.

### Which is updated more often, TraceCerto or Calha Facil?

TraceCerto ships an update every 4 days, and Calha Facil weekly. Most recently, TraceCerto was updated on September 28, 2026 and Calha Facil 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.*