# A vs MOP38

The clearest difference is update cadence: MOP38 at every 2 months against A's every 13 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

A ships an update every 13 months, MOP38 every 2 months. The most recent releases landed on October 6, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | A | MOP38 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/a-gas-fsa/id1629674614/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 35 MB | 38 MB |
| Requires iOS | 15.0 | **14.0.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [A-Gas Ltd](https://appshunter.io/developer/946481085) | [Nay Lin Aung](https://appshunter.io/developer/1690773269) |

## What reviewers say

### A

[App page](https://appshunter.io/ios/app/a-gas-fsa/id1629674614)

This app helps business development leaders and field technicians manage jobs, track recovered gas, and update tank inventory. It's designed for on-the-go use to simplify tasks and ensure compliance with EPA regulations.

**Highlights:** Job scheduling and receiving, Gas recovery documentation, Tank inventory management, EPA regulation compliance, Mobile field use

**Features:** macOS Compatibility

**In-app purchases:** none


### MOP38

[App page](https://appshunter.io/ios/app/mop38/id6449845874)

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

**In-app purchases:** none


## Frequently asked questions

### Is A free?

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

### Is MOP38 free?

MOP38 is free to download, with no in-app purchases.

### Do A or MOP38 have ads?

Neither A nor MOP38 shows ads.

### Which is updated more often, A or MOP38?

A ships an update every 13 months, and MOP38 every 2 months. Most recently, A was updated on October 6, 2026 and MOP38 on October 27, 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.*