# EVOHD vs Engineering Inc.

The clearest difference is update cadence: EVOHD at every 4 months against Engineering Inc.'s every 32 months. EVOHD also leads on iOS requirement (7.0 vs 12.0). Engineering Inc.'s advantage is device support (3 vs 1). On price, ads and in-app purchases there is nothing between them.

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

EVOHD ships an update every 4 months, Engineering Inc. every 32 months. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | EVOHD | Engineering Inc. |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 32 months |
| Monetization | Free | — |
| Size | 49 MB | 53 MB |
| Requires iOS | **7.0** | 12.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Bydemes](https://appshunter.io/developer/522581434) | [ACEC](https://appshunter.io/developer/879147908) |

## What reviewers say

### EVOHD

[App page](https://appshunter.io/ios/app/evohd/id522581431)

This iPad application provides remote surveillance capabilities for compatible DVR systems. It allows users to monitor live video feeds, review recorded footage, and receive push alerts for security events. Advanced features include gesture controls and window sliding for enhanced usability.

**Highlights:** Push Alarm notifications, Video Playback, Task wheel functionality, Finger Gesture controls, Windows Slide feature, Remote DVR monitoring

**In-app purchases:** none


### Engineering Inc.

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EVOHD free?

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

### Is Engineering Inc. free?

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

### Do EVOHD or Engineering Inc. have ads?

Neither EVOHD nor Engineering Inc. shows ads.

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

EVOHD ships an update every 4 months, and Engineering Inc. every 32 months. Most recently, EVOHD was updated on November 1, 2026 and Engineering Inc. on November 6, 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.*