Comparison

MP OpenView vs OpenViewer

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

Head to head

MindProber OpenView

PDF, HWP, Word document viewer

Free

📊 Productivity

No ratingsView app →

About

MP OpenView

Read full description

MP OpenView is used by the Mediaprobe Panelist Community for taking part in innovative media measurement sessions. The app collects physiological and declarative data from dial menus and/or surveys, while the Panelists watch multimedia content. Through the MP OpenView app, the members of the Mediaprobe Panelist Community can: - Evaluate the content displayed on TV and contribute to the creation of higher quality multimedia content; - View session participation history. MP OpenView is a proprietary app developed by Mediaprobe (ex-MindProber). Mediaprobe is a media measurement solution that gives content producers, distributors, and brands the ability to measure the emotional impact their content has on consumers to optimize production and commercial decisions. Visit our website to learn more about Mediaprobe: https://mediaprobe.com Learn more about the Terms and Conditions of Use of Mediaprobe’s Platform and MP OpenView App: https://www.mindproberlabs.com/terms-and-conditions-of-use-of-mindprobers-platform-and-mp-openview-app/ Mediaprobe Next Gen Media Measurement

About

OpenViewer

Features

Read full description

OpenViewer is a lightweight viewer for all standard document formats. [Supported formats] PDF · HWP · DOCX · XLSX · PPTX · EPUB · TXT · Images [Key features] • Fast launch • Dark mode • Recent files + favorites • 100% on-device processing • Native HWP support for Korean documents [Why OpenViewer?] - No in-app purchases - No account required - Ad-supported (no ads inside viewer) - English, Korean, Japanese UI Contact: wowpia0127@gmail.com

Screenshots

MP OpenView3 screens

OpenViewer4 screens

Verdict

The call

The clearest difference is ads: MP OpenView at none against OpenViewer's shown. MP OpenView also leads on update cadence (every 4 weeks vs every 2 months). On price, in-app purchases, device support and iOS requirement 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

MP OpenView ships an update every 4 weeks, OpenViewer every 2 months. The most recent releases landed on September 10, 2026 and September 15, 2026 respectively.

Scorecard2 real differences · 4 level

MP OpenView versus OpenViewer: the parameters behind the verdict, then further details
Parameter	MP OpenView	OpenViewer
Price	Free	Free
Update frequency	Every 4 weeks — better	Every 2 months
Ads	No — better	Yes
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	14.5 — better	15.1
Further details — not scored
Size	29 MB	41 MB
Age rating	4+	4+
Developer	Mindprober, Lda	BongJun Park

In-app purchases

None

MP OpenView

No in-app purchases

None

OpenViewer

No in-app purchases

Questions

Is MP OpenView free?

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

Is OpenViewer free?

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

Do MP OpenView or OpenViewer have ads?

OpenViewer shows ads; MP OpenView does not.

Which is updated more often, MP OpenView or OpenViewer?

MP OpenView ships an update every 4 weeks, and OpenViewer every 2 months. Most recently, MP OpenView was updated on September 10, 2026 and OpenViewer on September 15, 2026.