Comparison

VOLT by ealloora vs Drag PDF

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

Head to head

VOLT by ealloora

Wireless IoT current detector

About

VOLT by ealloora

Features

Read full description

It constantly monitors the presence of electricity. It sends you a notification if it detects a power outage. It sends you a notification when power is restored.

About

Drag PDF

Features

Read full description

Thanks to Drag PDF you can create PDF documents completely free and privately. Adjust the size of the final PDF document by lowering the resolution of the images, change the order of the files, preview the content, rename the files, add part of the document with the camera thanks to the integrated scanner... All this and much more thanks to an open source initiative fully committed to privacy.

Screenshots

VOLT by ealloora4 screens

Drag PDF4 screens

Verdict

The call

The clearest difference is iOS requirement: VOLT by ealloora at 10.0 against Drag PDF's 13.0. On price, update cadence, ads and in-app purchases 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

VOLT by ealloora ships an update every 3 weeks, Drag PDF monthly. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

Scorecard1 real difference · 5 level

VOLT by ealloora versus Drag PDF: the parameters behind the verdict, then further details
Parameter	VOLT by ealloora	Drag PDF
Price	Free	Free
Update frequency	Every 3 weeks — better	Monthly
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	10.0 — better	13.0
Further details — not scored
Size	19 MB	31 MB
Age rating	4+	4+
Developer	Sayme Wireless Sensor Network	Victor Carreras

In-app purchases

None

VOLT by ealloora

No in-app purchases

None

Drag PDF

No in-app purchases

Questions

Is VOLT by ealloora free?

VOLT by ealloora is free to download, with no in-app purchases.

Is Drag PDF free?

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

Do VOLT by ealloora or Drag PDF have ads?

Neither VOLT by ealloora nor Drag PDF shows ads.

Which is updated more often, VOLT by ealloora or Drag PDF?

VOLT by ealloora ships an update every 3 weeks, and Drag PDF monthly. Most recently, VOLT by ealloora was updated on October 26, 2026 and Drag PDF on October 27, 2026.