# LunaSolCal vs VBus®Touch FK

The clearest difference is review sentiment: LunaSolCal at 95% against VBus®Touch FK's 0%. LunaSolCal also leads on monetization model (free vs paid) and update cadence (every 2 months vs every 48 months). On price, ads, in-app purchases and device support there is nothing between them.

LunaSolCal costs $4.99 and VBus®Touch FK $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

LunaSolCal ships an update every 2 months, VBus®Touch FK every 48 months. The most recent releases landed on September 27, 2026 and August 24, 2026 respectively.

## The numbers

| Metric | LunaSolCal | VBus®Touch FK |
| --- | --- | --- |
| Price | $4.99 | $4.99 |
| Rating | **[4.9 (1.2K ratings)](https://appshunter.io/ios/app/lunasolcal/id390175338/reviews)** | — |
| Number of ratings | **1.2K** | — |
| Positive reviews | **95.5% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 48 months |
| Monetization | **Free** | Paid |
| Size | 79 MB | 8 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Volker Voecking Software Engineering](https://appshunter.io/developer/390175341) | [RESOL GmbH](https://appshunter.io/developer/369420321) |

## What reviewers say

### LunaSolCal

[App page](https://appshunter.io/ios/app/lunasolcal/id390175338)

This app calculates precise times for sun and moon events, including sunrise, sunset, moonrise, and moonset, for any location and date. It also provides detailed astronomical data and tracks celestial movements. View daily information in the notification center.

**Highlights:** Sunrise and sunset times, Moonrise and moonset times, Day length calculation, Moon phase tracking, Twilight times (civil, nautical, astronomical), Solar and lunar eclipse dates, Location-based calculations via GPS or city database

**In-app purchases:** none

**What reviewers like**

- 👍 Great app
- 🚀 Accurate and reliable information
- 💡 Useful for photography and planning
- 👍 Easy to use and navigate
- 👍 Comprehensive data and features

**What reviewers complain about**

- 🐛 Notifications/alarms not working consistently
- 🐛 Occasional crashes or bugs
- 🔧 Place/location selection could be improved

**Reported bugs**

- Notifications not working properly
- Crashes when using map layer select

**Requested features**

- Add lockscreen widget
- Implement automatic light/dark mode switching
- Integrate with calendar for event planning


### VBus®Touch FK

[App page](https://appshunter.io/ios/app/vbustouch-fk/id1001429231)

Transform your mobile device into a remote display for your boiler controller. Monitor boiler temperature, storage temperatures, and loading status with animated graphics and color-coded visualizations. Receive alerts for potential technical malfunctions.

**Highlights:** Remote boiler controller display, Animated graphic visualizations, Temperature and loading status monitoring, Color-coded temperature layers, Sensor monitoring and malfunction alerts

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

**In-app purchases:** none


## Frequently asked questions

### Is LunaSolCal free?

LunaSolCal costs $4.99, with no in-app purchases.

### Is VBus®Touch FK free?

VBus®Touch FK costs $4.99, with no in-app purchases.

### Do LunaSolCal or VBus®Touch FK have ads?

Neither LunaSolCal nor VBus®Touch FK shows ads.

### Which is updated more often, LunaSolCal or VBus®Touch FK?

LunaSolCal ships an update every 2 months, and VBus®Touch FK every 48 months. Most recently, LunaSolCal was updated on September 27, 2026 and VBus®Touch FK on August 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*