Comparison

Volten vs REFUview

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

Head to head

Monitoring for REFU inverters

Free

🔧 Utilities

No ratingsView app →

About

Volten

Read full description

Volten is a new generation of intelligent household cloud camera free application, can easily realize the remote video monitoring and management. 1. By this software can view the process of real-time video anytime and anywhere. 2. Support remote PTZ control, camera direction of rotation performed by touching the screen. 3. Support network live audio monitoring. 4. Support network remote video playback and image capture. 5. Support site motion detection alarm, and save the server to view 6. Support voice intercom and video calls 7. Intelligent cloud streaming transmission technology, 960P million high-definition public network real-time transport. 8. Live Preview increase recording function, you can view the recorded video in an album 8. Video files increase download function，you can examine the downloaded video in an album.

About

REFUview

Features

Read full description

The REFUview app for iOS allows you to monitor your solar system with REFU inverters in real time directly on your iPhone or iPad. The cloud-based application meets highest and latest security standards to ensure the protection of your data.

Screenshots

Volten4 screens

REFUview4 screens

Verdict

The call

The clearest difference is update cadence: REFUview at every 2 months against Volten's every 21 months. Volten's advantage is iOS requirement (8.0 vs 14.0). 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

Volten ships an update every 21 months, REFUview every 2 months. The most recent releases landed on October 13, 2026 and October 3, 2026 respectively.

Scorecard2 real differences · 4 level

Volten versus REFUview: the parameters behind the verdict, then further details
Parameter	Volten	REFUview
Price	Free	Free
Update frequency	Every 21 months	Every 2 months — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	8.0 — better	14.0
Further details — not scored
Size	27 MB	13 MB
Age rating	4+	17+
Developer	庆尧曾	REFU Elektronik GmbH

In-app purchases

None

Volten

No in-app purchases

None

REFUview

No in-app purchases

Questions

Is Volten free?

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

Is REFUview free?

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

Do Volten or REFUview have ads?

Neither Volten nor REFUview shows ads.

Which is updated more often, Volten or REFUview?

Volten ships an update every 21 months, and REFUview every 2 months. Most recently, Volten was updated on October 13, 2026 and REFUview on October 3, 2026.