# ESi Centro vs evec

The clearest difference is monetization model: evec at free against ESi Centro's paid. evec also leads on iOS requirement (13.0 vs 15.1). ESi Centro's advantage is update cadence (every 5 weeks vs every 11 months). On price, review sentiment, 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.

ESi Centro ships an update every 5 weeks, evec every 11 months. The most recent releases landed on September 19, 2026 and June 20, 2026 respectively.

## The numbers

| Metric | ESi Centro | evec |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 16.7% of reviews | **17.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 11 months |
| Monetization | Paid | **Free** |
| Size | 42 MB | 206 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [ESI Controls Ltd](https://appshunter.io/developer/1151779580) | [EVEC Ltd](https://appshunter.io/developer/1628523350) |

## What reviewers say

### ESi Centro

[App page](https://appshunter.io/ios/app/esi-centro/id1151779581)

Control your home's heating and cooling remotely with this smart thermostat. It offers sophisticated energy-saving features for enhanced comfort and control.

**Highlights:** Programmable room thermostat, Quick installation, Easy to use, Energy saving features, High level of control, Enhanced comfort

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

**In-app purchases:** none

**What reviewers like**

- 👍 Works well once connected
- 👍 Basic functionality is good
- 👍 Integration with Alexa works well
- 👍 App works perfectly fine
- 👍 Basic functionality is generally good

**What reviewers complain about**

- 🐛 Painful connection process
- 🐛 Frequent connection issues
- 🐛 App cannot find thermostat
- 🐛 Nightmare to connect
- 🐛 Barely works, sometimes not at all

**Reported bugs**

- Connection issues after updates
- App cannot find thermostat
- 5GHz WiFi issues
- Setup requires turning off 5GHz WiFi
- Permissions not requested at outset

**Requested features**

- Option to rename devices
- 15/30 minute boost on heating
- Option for a 15/30 minute boost on heating
- Option to remove Hot Water for combi-boiler users
- Option to rename thermostats


### evec

[App page](https://appshunter.io/ios/app/evec/id1628523348)

Control and monitor your electric car charger remotely. Schedule charging sessions, turn the charger on or off, and review your charging history. This utility app is designed to enhance your EV charging experience.

**Highlights:** Turn charger on/off, Schedule charging sessions, Track charging history, Remote charger management, Electric vehicle charging utility

**In-app purchases:** none


## Frequently asked questions

### Is ESi Centro free?

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

### Is evec free?

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

### Do ESi Centro or evec have ads?

Neither ESi Centro nor evec shows ads.

### Which is updated more often, ESi Centro or evec?

ESi Centro ships an update every 5 weeks, and evec every 11 months. Most recently, ESi Centro was updated on September 19, 2026 and evec on June 20, 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.*