Visual Assistance vs Voltha
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Visual Assistance
This app connects users with experts for real-time remote support. It allows for live video and audio sharing, photo capture, and interactive markings to aid in troubleshooting. Integrated chat with translation facilitates clear communication and information exchange.
- Live video and audio sharing
- Photo capture and sharing
- Live markings on images
- Chat and voice chat with translation
- Document display (technical drawings, etc.)
- Real-time expert support
Read full descriptionHide full description
Work side by side with the experts of the W&H Information and Diagnostic Centre (IDC). Our service engineers digitally support you during troubleshooting as if they were directly on site – thanks to audio and video transmission in real time. Integrated chat functions and the display of technical documents or instructions facilitate the exchange of information. Benefit from fast support without waiting times, reduce downtime and increase your productivity – with Service Sight by Sight. Your possibilities with Visual Assistance: - Share your live view and audio with W&H experts - Take and share photos - Receive helpful live markings in pictures from our experts - Use chat or voice chat communication with automatic translation functions - Gain insight into documents such as technical drawings or circuit diagrams
Voltha
Read full descriptionHide full description
Mobile and PC-based application for energy flows control and monitoring, software updates, setting up programmable features of the energy storage device and controlling external devices like water cylinder, EV chargers and PV plants. The application allows the users to get the best performance from their energy storage system and therefore achieve the best economical results.
Screenshots
Verdict
The clearest difference is update cadence: Voltha at every 3 weeks against Visual Assistance's every 5 months. 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Visual Assistance ships an update every 5 months, Voltha every 3 weeks. The most recent releases landed on June 4, 2026 and September 14, 2026 respectively.
| Parameter | Visual Assistance | Voltha |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 5 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 43 MB | 71 MB |
| Age rating | 4+ | 4+ |
| Developer | Windmöller & Hölscher | Aton Green Energy |
In-app purchases
Visual Assistance
No in-app purchases
Voltha
No in-app purchases
Questions
Is Visual Assistance free?
Is Voltha free?
Do Visual Assistance or Voltha have ads?
Which is updated more often, Visual Assistance or Voltha?
Other comparisons
