# ViCare vs Symphony by GeoStar

The clearest difference is rating: ViCare at 4.5 against Symphony by GeoStar's 2.0. ViCare also leads on review sentiment (41% vs 0%) and update cadence (every 9 days vs every 4 months). Symphony by GeoStar's advantage is in-app purchases (none vs 2). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ViCare sells 2 in-app purchases, starting at $3.99 per month. Symphony by GeoStar asks for nothing beyond the download.

ViCare holds the better App Store score, 4.5 against 2.0. That said, the two scores are not equally well evidenced: ViCare has 1.3K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 41% of ViCare's written reviews are positive against 0% of Symphony by GeoStar's.

ViCare ships an update every 9 days, Symphony by GeoStar every 4 months. The most recent releases landed on November 11, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | ViCare | Symphony by GeoStar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (1.3K ratings)](https://appshunter.io/ios/app/vicare/id964468260/reviews)** | [2.0 (4 ratings)](https://appshunter.io/ios/app/symphony-by-geostar/id1161399121/reviews) |
| Number of ratings | **1.3K** | 4 |
| Positive reviews | **40.6% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 727 MB | 17 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Viessmann IT Service GmbH](https://appshunter.io/developer/1801739683) | [WaterFurnace International](https://appshunter.io/developer/940139733) |

## What reviewers say

### ViCare

[App page](https://appshunter.io/ios/app/vicare/id964468260)

Remotely manage your home heating system with an intuitive interface. Monitor system status, adjust temperatures, and set schedules to save energy and ensure comfort. Offers convenient shortcuts for common actions like hot water requests or vacation mode.

**Highlights:** Remote heating system control, Temperature adjustment, Daily scheduling for energy saving, System status monitoring, Hot water and away shortcuts, Holiday program settings

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.99 | per month |
| Yearly | $33.99 | per year |

**What reviewers like**

- 🚀 Great app to control heating and hot water
- 📊 Useful data and analytics on energy usage
- 🌟 Intuitive and easy to use interface
- ⏱️ Convenient remote access and control

**What reviewers complain about**

- 🐛 Frequent connection issues and app crashes
- 🔌 Unreliable sync with boiler, settings not always applied
- 🕰️ Limited scheduling and timer options
- 🤔 Confusing and unintuitive user experience

**Reported bugs**

- App fails to load or gets stuck on loading screen
- Settings changes not syncing properly with boiler
- Incorrect time zone and DST adjustments
- Frequent loss of connectivity to boiler

**Requested features**

- Add a simple 'boost' or 'quick on' heating mode
- Provide more granular control over heating and hot water schedules
- Enable integration with smart home platforms like Alexa or HomeKit
- Improve data visualization and historical energy usage tracking


### Symphony by GeoStar

[App page](https://appshunter.io/ios/app/symphony-by-geostar/id1161399121)

Control and monitor your geothermal comfort system remotely. View real-time system feedback, track energy usage, and receive alerts for maintenance. Access your entire geothermal system, not just the thermostat, from any internet-connected device.

**Highlights:** Remote system monitoring, Real-time feedback, Temperature and program control, Energy usage tracking, Equipment alerts and reminders, Cloud-based access

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

**In-app purchases:** none


## Frequently asked questions

### Is ViCare free?

ViCare is free to download, with in-app purchases available.

### Is Symphony by GeoStar free?

Symphony by GeoStar is free to download, with no in-app purchases.

### Which has better reviews, ViCare or Symphony by GeoStar?

ViCare is rated higher. ViCare averages 4.5 out of 5 from 1.3K ratings, while Symphony by GeoStar averages 2.0 from 4 ratings.

### Do ViCare or Symphony by GeoStar have ads?

Neither ViCare nor Symphony by GeoStar shows ads.

### Which is updated more often, ViCare or Symphony by GeoStar?

ViCare ships an update every 9 days, and Symphony by GeoStar every 4 months. Most recently, ViCare was updated on November 11, 2026 and Symphony by GeoStar on November 2, 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.*