# SupplyMaster vs Sync Energy

The clearest difference is review sentiment: Sync Energy at 40% against SupplyMaster's 11%. Sync Energy also leads on update cadence (every 2 weeks vs every 5 weeks). SupplyMaster's advantage is monetization model (free vs free with in-app purchases) and iOS requirement (11.0 vs 13.0). 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.

SupplyMaster ships an update every 5 weeks, Sync Energy every 2 weeks. The most recent releases landed on June 9, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | SupplyMaster | Sync Energy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/supplymaster/id1204680294/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 11.4% of reviews | **40.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 18 MB | 73 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TIMEGUARD LTD](https://appshunter.io/developer/1204680293) | [Luceco plc](https://appshunter.io/developer/1449578711) |

## What reviewers say

### SupplyMaster

[App page](https://appshunter.io/ios/app/supplymaster/id1204680294)

Control your immersion heater or lighting remotely via your phone or tablet. Save money by adjusting schedules from anywhere, ensuring you only use energy when needed. Offers multiple operating modes for flexible control.

**Highlights:** Remote programming, Energy saving, Auto, Permanent Off, Permanent On modes, Holiday mode, Advance and Boost functions

**Features:** macOS Compatibility

**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 SupplyMaster free?

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

### Is Sync Energy free?

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

### Do SupplyMaster or Sync Energy have ads?

Neither SupplyMaster nor Sync Energy shows ads.

### Which is updated more often, SupplyMaster or Sync Energy?

SupplyMaster ships an update every 5 weeks, and Sync Energy every 2 weeks. Most recently, SupplyMaster was updated on June 9, 2026 and Sync Energy on September 22, 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.*