# ESIS Construction vs PEEK Voltector®

The clearest difference is update cadence: PEEK Voltector® at every 3 months against ESIS Construction's every 50 months. ESIS Construction's advantage is iOS requirement (14.1 vs 16.0). 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.

ESIS Construction ships an update every 50 months, PEEK Voltector® every 3 months. The most recent releases landed on November 11, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | ESIS Construction | PEEK Voltector® |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 50 months | **Every 3 months** |
| Size | 3 MB | 11 MB |
| Requires iOS | **14.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CHUBB INA HOLDINGS INC](https://appshunter.io/developer/672736608) | [Peek GmbH](https://appshunter.io/developer/1580086371) |

## What reviewers say

### ESIS Construction

[App page](https://appshunter.io/ios/app/esis-construction/id1074337449)

**Features:** macOS Compatibility

**In-app purchases:** none


### PEEK Voltector®

[App page](https://appshunter.io/ios/app/peek-voltector/id6752214897)

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

**In-app purchases:** none


## Frequently asked questions

### Is ESIS Construction free?

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

### Is PEEK Voltector® free?

PEEK Voltector® is free to download, with no in-app purchases.

### Do ESIS Construction or PEEK Voltector® have ads?

Neither ESIS Construction nor PEEK Voltector® shows ads.

### Which is updated more often, ESIS Construction or PEEK Voltector®?

ESIS Construction ships an update every 50 months, and PEEK Voltector® every 3 months. Most recently, ESIS Construction was updated on November 11, 2026 and PEEK Voltector® on November 5, 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.*