# Certs365 vs Arduino Modules Pro

The clearest difference is price: Certs365 at Free against Arduino Modules Pro's $4.99. Certs365 also leads on iOS requirement (13.0 vs 16.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Certs365 is free to download; Arduino Modules Pro costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Certs365 ships an update every 4 months, Arduino Modules Pro every 2 months. The most recent releases landed on October 20, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Certs365 | Arduino Modules Pro |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/certs365/id6499526126/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 40 MB | 31 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [AI CERTs](https://appshunter.io/developer/1743787526) | [ALG Software Lab](https://appshunter.io/developer/1650561236) |

## What reviewers say

### Certs365

[App page](https://appshunter.io/ios/app/certs365/id6499526126)

This platform uses blockchain technology to securely manage and verify certificates and credentials. It offers a Universal Verifier with unique QR codes for instant authenticity checks, and an Issuer platform for organizations to manage their own branded certificates.

**Highlights:** Blockchain-based document security, Universal Verifier with QR codes, Issuer platform for organizations, Two-Factor Authentication, Customizable branding options, Web3 integration

**Features:** macOS Compatibility

**In-app purchases:** none


### Arduino Modules Pro

[App page](https://appshunter.io/ios/app/arduino-modules-pro/id6743318515)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Certs365 free?

Certs365 is free to download, with no in-app purchases.

### Is Arduino Modules Pro free?

Arduino Modules Pro costs $4.99, with no in-app purchases.

### Do Certs365 or Arduino Modules Pro have ads?

Neither Certs365 nor Arduino Modules Pro shows ads.

### Which is updated more often, Certs365 or Arduino Modules Pro?

Certs365 ships an update every 4 months, and Arduino Modules Pro every 2 months. Most recently, Certs365 was updated on October 20, 2026 and Arduino Modules Pro on October 25, 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.*