# ESENTA vs ULT

The clearest difference is update cadence: ESENTA at every 3 months against ULT's every 14 months. ULT's advantage is iOS requirement (13.0 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.

ESENTA ships an update every 3 months, ULT every 14 months. The most recent releases landed on November 11, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | ESENTA | ULT |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 14 months |
| Monetization | Free | — |
| Size | 82 MB | 11 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ESENTA GmbH](https://appshunter.io/developer/1441207023) | [Stefan Jakschik](https://appshunter.io/developer/1564456337) |

## What reviewers say

### ESENTA

[App page](https://appshunter.io/ios/app/esenta/id1441207024)

Control your smart doorphone system remotely. Receive notifications for visitors, view live video streams, communicate with them, and unlock your door from your smartphone or tablet, no matter where you are.

**Highlights:** Remote doorphone control, Live video streaming, Two-way audio communication, Visitor notifications, Motion detection, Snapshot storage

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

**In-app purchases:** none


### ULT

[App page](https://appshunter.io/ios/app/ult-calculator/id1564456335)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ESENTA free?

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

### Is ULT free?

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

### Do ESENTA or ULT have ads?

Neither ESENTA nor ULT shows ads.

### Which is updated more often, ESENTA or ULT?

ESENTA ships an update every 3 months, and ULT every 14 months. Most recently, ESENTA was updated on November 11, 2026 and ULT on November 7, 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.*