# Engineering Inc. vs APSR Oman

The clearest difference is update cadence: APSR Oman at every 5 weeks against Engineering Inc.'s every 32 months. Engineering Inc.'s advantage is iOS requirement (12.0 vs 15.0). 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.

Engineering Inc. ships an update every 32 months, APSR Oman every 5 weeks. The most recent releases landed on September 18, 2026 and August 14, 2026 respectively.

## The numbers

| Metric | Engineering Inc. | APSR Oman |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 32 months | **Every 5 weeks** |
| Size | 53 MB | 363 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [ACEC](https://appshunter.io/developer/879147908) | [Authority for Electricity Regulation](https://appshunter.io/developer/1460590446) |

## What reviewers say

### Engineering Inc.

[App page](https://appshunter.io/ios/app/engineering-inc/id879147905)

**Features:** macOS Compatibility

**In-app purchases:** none


### APSR Oman

[App page](https://appshunter.io/ios/app/apsr-oman/id6753577988)

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

**In-app purchases:** none


## Frequently asked questions

### Is Engineering Inc. free?

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

### Is APSR Oman free?

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

### Do Engineering Inc. or APSR Oman have ads?

Neither Engineering Inc. nor APSR Oman shows ads.

### Which is updated more often, Engineering Inc. or APSR Oman?

Engineering Inc. ships an update every 32 months, and APSR Oman every 5 weeks. Most recently, Engineering Inc. was updated on September 18, 2026 and APSR Oman on August 14, 2026.

---

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