# A vs InspCorr Pro

The clearest difference is in-app purchases: InspCorr Pro at none against A's 1. InspCorr Pro also leads on update cadence (fortnightly vs every 10 months). A's advantage is device support (4 vs 2) and iOS requirement (13.0 vs 17.6). On price and ads there is nothing between them.

Both are free to download. A sells 1 one-off in-app purchase. InspCorr Pro asks for nothing beyond the download.

A ships an update every 10 months, InspCorr Pro fortnightly. The most recent releases landed on November 3, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | A | InspCorr Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/a-number/id1547102751/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 2 MB | 6 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shabbir Ahmed](https://appshunter.io/developer/1083166021) | [Fahad Alzoabi](https://appshunter.io/developer/1879304005) |

## What reviewers say

### A

[App page](https://appshunter.io/ios/app/a-number/id1547102751)

This utility app calculates the A-Number for deposited weld metal based on its chemical composition. It simplifies the process of comparing weld metal composition against ASME Section IX standards, aiding in procedure qualification and ensuring compliance.

**Highlights:** Determines A-Number from chemical composition, Compares weld metal to ASME Section IX ranges, Aids in procedure qualification, Supports ASME Section IX 2023 Edition, Provides accurate results

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Non-Consumable Subscription | $1.99 | one-time |


### InspCorr Pro

[App page](https://appshunter.io/ios/app/inspcorr-pro/id6759683176)

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

**In-app purchases:** none


## Frequently asked questions

### Is A free?

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

### Is InspCorr Pro free?

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

### Do A or InspCorr Pro have ads?

Neither A nor InspCorr Pro shows ads.

### Which is updated more often, A or InspCorr Pro?

A ships an update every 10 months, and InspCorr Pro fortnightly. Most recently, A was updated on November 3, 2026 and InspCorr Pro on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*