Comparison

NUSync vs Knowingo

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

Head to head
About

NUSync

Features
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Browse NUS student events on the go with the NUSync mobile app! From any device, students can: - Participate in activities across NUS - Join organizations, chat and connect with like-minded peers - Showcase your involvement by managing your CCA Transcript - Receive customized notifications regarding your events - Manage your organizations and much more!

About

Knowingo

Features
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Knowingo is a guided book reading app for busy readers. Start with a clear summary, follow the ideas that matter, and ask the book when something is unclear. Explore nonfiction books through carefully prepared summaries. Each summary is organized into parts so you can follow the ideas, pause whenever you need to, and pick up where you left off. When a question comes up as you read, ask the book. The answer is based on what the book says, so you can keep reading without searching elsewhere. Lost track of a name? Tap a person in the text to see who they are and where they have appeared so far. Look up unfamiliar words without leaving the page. With Knowingo, you can: โ€ข Browse and search books by topic โ€ข Read a summary first, then follow its main ideas โ€ข Ask the book a question while you read โ€ข Tap a name to see who that person is โ€ข Look up words as you read โ€ข Resume what you were reading โ€ข Explore available research paper explainers Knowingo provides original summaries and reading guidance. It does not provide the full text of the original books. Available books, languages, questions and person cards depend on the editions published in the app. New accounts can try the reading library for seven days. After the trial, a Knowingo Reading subscription is required to read full summaries. Monthly and annual plans are available. The price is shown before you confirm a purchase. Payment is charged to your Apple Account at confirmation. The subscription renews automatically unless you cancel at least 24 hours before the current period ends. Manage or cancel your subscription in your Apple Account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://knowingo.online/privacy.html

Screenshots

NUSync4 screens
Knowingo4 screens

Verdict

The call

The clearest difference is in-app purchases: NUSync at none against Knowingo's 2. Knowingo's advantage is update cadence (every 2 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Knowingo sells 2 in-app purchases, starting at $2.99 per month. NUSync asks for nothing beyond the download.

UpkeepUpdate frequency

NUSync ships an update every 3 weeks, Knowingo every 2 days. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

Scorecard2 real differences ยท 4 level
NUSync versus Knowingo: the parameters behind the verdict, then further details
ParameterNUSyncKnowingo
PriceFreeFree
Update frequencyEvery 3 weeksEvery 2 days โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.4 โ€” better18.0
Further details โ€” not scored
Size88 MB25 MB
Age rating17+4+
DeveloperNational University of SingaporeSEMANTIG TECH PTE. LTD

In-app purchases

None

NUSync

No in-app purchases

2 purchases

Knowingo

Subscriptions2
  • Reading Monthly$2.991 Month
  • Reading Annual$23.991 Year

Questions

Is NUSync free?
NUSync is free to download, with no in-app purchases.
Is Knowingo free?
Knowingo is free to download, with in-app purchases available.
Do NUSync or Knowingo have ads?
Neither NUSync nor Knowingo shows ads.
Which is updated more often, NUSync or Knowingo?
NUSync ships an update every 3 weeks, and Knowingo every 2 days. Most recently, NUSync was updated on October 24, 2026 and Knowingo on October 26, 2026.

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