Comparison

kuStudy vs CodeX

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

Head to head
About

kuStudy

Find available study spaces and empty seats in university libraries in real-time. Access information quickly through widgets on your phone, watch, or even spatial computing devices. Seamlessly share status updates and navigate without interrupting your workflow.

Highlights
  • Real-time seat availability
  • Home screen and lock screen widgets
  • Apple Watch complications
  • Handoff support across devices
  • Split View and Slide Over for iPad
  • Spatial computing vision support
Features
Read full description

Looking for a place to go between classes? Searching for empty seats in libraries? kuStudy is an unofficial app that provides real time reading room seats information of Seoul Campus of KU. Have a quick glance from iOS app, Today widget or Apple Watch, and you can easily decide where to go. This app contains no ads or promotion - it just shows you what you need. That's all. iPhone: • Concise information: just see what you need. • Home screen & lock screen widgets, also supporting StandBy when locked. • Use Handoff to continue view what you are looking on your other Apple devices. • Share reading room status using text or images. iPad: • Use Split View and Slide Over to view information without disrupting your current work. • Use hardware keyboard shortcuts to quickly navigate through app. Home screen & lock screen widget: • Quick access from anywhere without launching the app. Vision: • Check the reading room status in spatial computing. • Familiar interface from iPad app. Apple Watch: • Glance what you need right on your wrist. • Watch face complications for even faster glance. • Use Handoff to continue view what you are looking on your iPhone. This app doesn't use any third party analytics to collect your data. Study hard! :)

About

CodeX

Read full description

CodeX is a solution that uses standard QR codes to verify the authenticity and integrity of various documents issued on paper. It is fully integrated into reporting tools, enabling rapid and convenient development, and it can be easily read in a mobile environment. Provide customers with a convenient verification service through QR code scanning, enhancing the trustworthiness and stability of paper document issuing institutions and businesses.

Screenshots

kuStudy4 screens
CodeX4 screens

Verdict

The call

The clearest difference is in-app purchases: CodeX at none against kuStudy's 10. kuStudy's advantage is update cadence (every 4 weeks vs every 4 months). On price, ads, 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. kuStudy sells 10 in-app purchases, starting at $2.99 per 7 days. CodeX asks for nothing beyond the download.

UpkeepUpdate frequency

kuStudy ships an update every 4 weeks, CodeX every 4 months. The most recent releases landed on September 7, 2026 and September 14, 2026 respectively.

Scorecard2 real differences · 8 level
kuStudy versus CodeX: the parameters behind the verdict, then further details
ParameterkuStudyCodeX
PriceFreeFree
Rating4.4 (7 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings7 — better—
Update frequencyEvery 4 weeks — betterEvery 4 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Apple Watch, Vision Pro — betteriPhone, iPad, iPod
Requires iOS16.0 — better16.6
Further details — not scored
Size4 MB8 MB
Age rating4+4+
DeveloperBummo.DevHANCOM INNOSTREAM CO., LTD.

In-app purchases

10 purchases

kuStudy

Subscriptions5
  • Weekly Subscription$2.997 Days
  • Monthly Subscription$4.991 Month
  • Quarterly Subscription$9.993 Months
Show 2 more
  • Semiannual Subscription$12.996 Months
  • Yearly Subscription$14.991 Year
One-time5
  • Gratitude$0.99
  • Chocolate$1.99
  • Coffee$2.99
Show 2 more
  • Lunch$4.99
  • Special Thanks$8.99
None

CodeX

No in-app purchases

Questions

Is kuStudy free?
kuStudy is free to download, with in-app purchases available.
Is CodeX free?
CodeX is free to download, with no in-app purchases.
Do kuStudy or CodeX have ads?
Neither kuStudy nor CodeX shows ads.
Which is updated more often, kuStudy or CodeX?
kuStudy ships an update every 4 weeks, and CodeX every 4 months. Most recently, kuStudy was updated on September 7, 2026 and CodeX on September 14, 2026.

Other comparisons