# Sync Energy vs Bolt Boiler

The clearest difference is update cadence: Sync Energy at every 2 weeks against Bolt Boiler's every 9 months. 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.

Sync Energy ships an update every 2 weeks, Bolt Boiler every 9 months. The most recent releases landed on November 5, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Sync Energy | Bolt Boiler |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/sync-energy/id6557075265/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 46.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 9 months |
| Monetization | Free with in-app purchases | — |
| Size | 76 MB | 49 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Luceco plc](https://appshunter.io/developer/1449578711) | [BRITISH R&D LIMITED](https://appshunter.io/developer/1852269303) |

## What reviewers say

### 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


### Bolt Boiler

[App page](https://appshunter.io/ios/app/bolt-boiler/id6755152566)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sync Energy free?

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

### Is Bolt Boiler free?

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

### Do Sync Energy or Bolt Boiler have ads?

Neither Sync Energy nor Bolt Boiler shows ads.

### Which is updated more often, Sync Energy or Bolt Boiler?

Sync Energy ships an update every 2 weeks, and Bolt Boiler every 9 months. Most recently, Sync Energy was updated on November 5, 2026 and Bolt Boiler on October 30, 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.*