# ROBUS Connect vs Sync Energy

The clearest difference is review sentiment: Sync Energy at 40% against ROBUS Connect's 10%. Sync Energy also leads on update cadence (fortnightly vs every 7 months) and rating (5.0 vs 4.8). ROBUS Connect's advantage is monetization model (free vs free with in-app purchases). On price, ratings volume, 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.

Sync Energy holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 4 and 2 respectively. Written reviews point the same way: 10% of ROBUS Connect's written reviews are positive against 40% of Sync Energy's.

ROBUS Connect ships an update every 7 months, Sync Energy fortnightly. The most recent releases landed on September 23, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | ROBUS Connect | Sync Energy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (4 ratings)](https://appshunter.io/ios/app/robus-connect/id1462172477/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sync-energy/id6557075265/reviews)** |
| Number of ratings | **4** | 2 |
| Positive reviews | 10.0% of reviews | **40.4% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 225 MB | 75 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [ROBUS](https://appshunter.io/developer/1420023114) | [Luceco plc](https://appshunter.io/developer/1449578711) |

## What reviewers say

### ROBUS Connect

[App page](https://appshunter.io/ios/app/robus-connect/id1462172477)

Control your home or office lighting remotely with this smart system. Adjust brightness, select colors, group lights, and set schedules for convenience and energy savings. It integrates with other cloud services for expanded automation possibilities.

**Highlights:** Remote On/Off control, Adjustable dimming, Color temperature and RGB selection, Light grouping, Customizable schedules and timers, Scene creation and automation, Multi-user and multi-location control

**In-app purchases:** none


### Sync Energy

[App page](https://appshunter.io/ios/app/sync-energy/id6557075265)

Manage your home energy, including EV charging and solar power utilization, with a single, integrated application. This app offers streamlined installation, intelligent energy management, and seamless control for both home users and installers.

**Highlights:** Integrated EV charging and energy management, Streamlined installation and handover, Auto solar charging for EVs, Intelligent tariff-based energy optimization, Effortless product setup for installers, Installer account and installation history management, In-app support resources for installers

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

**In-app purchases:** none


## Frequently asked questions

### Is ROBUS Connect free?

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

### Is Sync Energy free?

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

### Which has better reviews, ROBUS Connect or Sync Energy?

Sync Energy is rated higher. ROBUS Connect averages 4.8 out of 5 from 4 ratings, while Sync Energy averages 5.0 from 2 ratings.

### Do ROBUS Connect or Sync Energy have ads?

Neither ROBUS Connect nor Sync Energy shows ads.

### Which is updated more often, ROBUS Connect or Sync Energy?

ROBUS Connect ships an update every 7 months, and Sync Energy fortnightly. Most recently, ROBUS Connect was updated on September 23, 2026 and Sync Energy on October 18, 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.*