Knowledge from OnlineObjects vs ScreenKing
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Knowledge from OnlineObjects
Organize your thoughts and information with a personal knowledge base. Save web pages, highlight text, and sync across devices. Create questions and link answers to build a comprehensive understanding of any topic.
- Save web pages
- Highlight text
- Ad-free viewing
- Sync between devices
- Create questions and answers
- Pose hypotheses
- Share extension
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A personal knowledge base · Save web pages · Highlight text on pages · View without ads or navigation · Sync between devices · Create questions and link answers · Pose hypotheses with for/against · A share-extension to add pages Other platforms - free · Mac app called "OnlineObjects" · Web app on https://knowledge.onlineobjects.com Please note: · Information is stored in the cloud · You will be asked to create a free account in order to use the app · We do not share your info with others
ScreenKing
Enhance your web browsing with an ad blocker, custom scripts, and dark mode. Enjoy faster video playback, privacy protection, and efficient searching. Customize your online experience with various themes and filtering rules.
- Automatic ad removal
- Manual ad blocking with Tagit
- Video playback enhancements
- Customizable dark mode and themes
- Super Search for quick results
- UserScript support for customization
- Continuous scrolling for search results
- Privacy protection with network filter
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ScreenKing is a Safari browser extension that can automatically remove ads on web pages and allows users to use Tagit to remove ads manually to improve the user's web browsing experience. Core Features: [Video Sniffer ] Allows playing videos at 16 times speed, PIP, full screen and screen projection. [Tagit to Block Ads] Remove whatever ads you want. Banner ads, pop-up ads, and hover ads...any ads you see can be removed or hidden. [Dark Mode] Add dark effects to the web page to make the internet experience more comfortable at night. There are also dozens of web page themes to choose. [Super Search] Enter "Trigger words+Space+ Keyword" in the Safari search bar, and it will quickly jump to the pre-set search engine's results page for the keywords. [Ads Filter] Import ads filtering rules to automatically remove ads on the web page. [UserScript] Userscript is a great browser extension tool. You can do anything by adding unique scripts! [Continuous Scrolling] On the search result pages of Google, Bing, etc., scroll continuously without having to switch pages. [Privacy Protection] Prevent web pages from getting personal information. Built-in network filter will protect your privacy. Terms of Use(EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is rating: Knowledge from OnlineObjects at 5.0 against ScreenKing's 3.7. Knowledge from OnlineObjects also leads on in-app purchases (none vs 24) and iOS requirement (13.0 vs 15.0). ScreenKing's advantage is update cadence (weekly vs every 4 months) and ratings volume (32 vs 2). On price, ads 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. ScreenKing sells 21 in-app purchases, starting at $2.99 per 7 days. Knowledge from OnlineObjects asks for nothing beyond the download.
Knowledge from OnlineObjects holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: ScreenKing has 32 ratings behind it against 2, so its average is the more settled of the two.
Knowledge from OnlineObjects ships an update every 4 months, ScreenKing weekly. The most recent releases landed on June 1, 2026 and June 2, 2026 respectively.
| Parameter | Knowledge from OnlineObjects | ScreenKing |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | 3.7 (32 ratings) |
| Positive reviews | — | 42.9% of reviews |
| Number of ratings | 2 | 32 — better |
| Update frequency | Every 4 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 4 MB | 75 MB |
| Age rating | 17+ | 4+ |
| Developer | Jonas Munk | UU Momentum Network Technology Co., Ltd. |
Customer experience
Knowledge from OnlineObjects
ScreenKing
In-app purchases
Knowledge from OnlineObjects
No in-app purchases
ScreenKing
- ScreenKing Pro3 Days trial$2.997 Days
- 1 Month Subscription7 Days trial$3.991 Month
- ScreenKing Pro3 Days trial$3.997 Days
Show 18 moreShow fewer
- ScreenKing Pro3 Days trial2 variants$4.997 Days
- ScreenKing Pro$5.997 Days
- ScreenKing Pro3 Days trial$6.997 Days
- ScreenKing Pro7 Days trial$6.997 Days
- ScreenKing Pro3 Days trial$7.997 Days
- ScreenKing Pro7 Days trial$7.997 Days
- ScreenKing Pro7 Days trial2 variants$8.997 Days
- ScreenKing Pro3 Days trial$9.997 Days
- ScreenKing Pro7 Days trial$9.997 Days
- ScreenKing Pro2 variants$9.997 Days
- ScreenKing Pro$19.991 Month
- 6 Month Subscription7 Days trial$21.996 Months
- 1 Year Subscription$24.991 Year
- ScreenKing Pro$24.991 Year
- ScreenKing Pro$29.991 Year
- ScreenKing Pro$34.991 Year
- ScreenKing Pro$49.991 Year
- ScreenKing Pro$59.991 Year







