Comparison

SupplyMaster vs Sync Energy

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

SupplyMaster

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
Read full description

Timeguard Supplymaster can be used to provide convenient, easy programming of your immersion heater or lighting from your phone or tablet. Changes to programmes can be made from any location, which will enable the user to save money by cancelling unwanted programmes during periods of unexpected absence. There are 4 operating modes, Auto, Permanent off, permanent on, and holiday. There are also advance and boost functions. For use with the Timeguard FSTWiFi and FSTWiFiTGV WiFi controlled fused connection units.

About

Sync Energy

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
Read full description

We've rebranded: Sync Energy is the new name for BG SyncEV! If you are an installer of our products, you will use the Sync Energy App for all installations whether the Charger is branded Sync Energy or BG SyncEV. • Sync Energy Branded products will use the New Sync Energy home user App. • BG Sync EV Branded products will continue to use Monta for the home user App. Always consult the in-box paperwork which will confirm which home user app should be used, if you need any further assistance, Our UK Technical Support team are always on hand to help. Sync Energy App – A single App from installation through to everyday use! **For the Home user** Take full control of your home energy setup – from EV charging to energy management – with the Sync Energy App. Whether you’re using the Wall Charger 2, the Link EV Charger, or the Flow Home Energy Management System, you’re covered. Key Features: • One Connected Solution: Whether you have just an EV Charger or a full home energy management system, the Sync Energy App brings everything together in one easy to use app and you can expand your system at any time. • Streamlined Installation: a single app from installation to day-to-day use with a smooth handover from the installer to end-user, ensures that you'll be up and running in no time, without any complications. • Auto Solar for Sustainable Charging: allowing you to utilise excess solar power to charge your EV, ensuring you maximise the benefits of clean, renewable energy while reducing your energy bills. • Tariff Sense – Energy Management: Unlock the full potential of intelligent charging with Tariff Sense which connects to any UK tariff, making it easier than ever to optimise energy usage and reduce your energy bills. **For the Installer** Built to save you time on site, the Sync Energy App now supports installs of the Wall Charger 2, Link EV Charger, and Flow Home Energy Management products. Key Features: • Effortless Setup: Seamlessly configure your Sync Energy products with just a few taps. Get up and running in no time. • Seamless Account Management: Create and manage your account with ease. Keep a detailed history of all your installations and track them effortlessly. • Installer-Centric Design: Our newly revamped interface is built with your workflow in mind. Everything you need is available through a new side-menu, ensuring smoother, more intuitive navigation. • Enhanced Help Resources: Comprehensive in-app guides help you breeze through the commissioning process, saving you valuable time. • Instant Access to Support: Quick links to installation manuals, technical support, quick tips, and simple charger LED guides are all within the App. • Customisable Light & Dark Mode: Choose between light and dark themes to suit your personal preference. Download the New Sync Energy app today!

Screenshots

SupplyMaster4 screens
Sync Energy4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 6 level
SupplyMaster versus Sync Energy: the parameters behind the verdict, then further details
ParameterSupplyMasterSync Energy
PriceFreeFree
Rating3.0 (2 ratings) — better—
Positive reviews11.4% of reviews40.0% of reviews — better
Number of ratings2 — better—
Update frequencyEvery 5 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS11.0 — better13.0
Further details — not scored
Size18 MB73 MB
Age rating4+4+
DeveloperTIMEGUARD LTDLuceco plc

Customer experience

SupplyMaster

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews88 reviews
Positive11.4%
Neutral4.5%
Negative84.1%

Sync Energy

Written reviews55 reviews
Positive40.0%
Neutral3.6%
Negative56.4%

In-app purchases

None

SupplyMaster

No in-app purchases

None

Sync Energy

No in-app purchases

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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