Comparison

R Discovery vs EJS Student Kit

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

Head to head
About

R Discovery

Access over 250 million research papers, including open access and preprints, with personalized feeds and curated reading lists. This app simplifies literature searches and helps you stay updated on academic research.

Highlights
  • Access 250M+ research articles
  • Personalized AI-curated feeds
  • Open access article library
  • Institutional access for paywalled papers
  • Collaborative reading lists
  • Audio streaming for papers
  • Research paper translation
Features
Read full description

R Discovery is your #1 place to discover research literature, stay current, and read what matters faster. Built for students, researchers, clinicians, educators, and academics, R Discovery helps you find relevant papers without spending hours searching across scattered sources. With research-grade AI workflows, R Discovery accelerates every step of your literature journey: discover papers, understand key findings, chat with PDFs, listen to research, translate papers, and build a personalized academic library around your interests. We search, curate, summarize, and organize the literature so you can spend more time on meaningful research and more time with the people you love. R Discovery gives you access to: • 150M+ journal articles • 78M+ open access papers • 10M+ conference documents • 5M+ preprints • 7.5M+ patents • 8M+ summaries and highlights • 9.5M+ research topics • 14M+ authors • 64K+ journals • 120K+ universities and institutions Why researchers use R Discovery: • Personalized research feeds based on your interests • Fast literature search for papers, journals, authors, topics, and institutions • Reliable, clean research database built to reduce duplication and low-quality content • Open access discovery so you can quickly find papers you can read • Full-text access with institutional login through GetFTR and LibKey integrations • Alerts for newly published papers in your field • Summaries and highlights to assess relevance faster • Bookmarks and reading lists to organize your library Upgrade to R Discovery Prime to accelerate your research further with unlimited access for research-grade AI workflows • Ask R Discovery for reference-backed answers from research papers • Chat with PDFs and get instant answers from full papers • Listen to papers with audio streaming for research on the go • Translate research papers into your preferred language • Sync your saved papers with Zotero and Mendeley R Discovery partners with leading global publishers, societies, and research platforms including Wiley, IOP Publishing, Springer Nature, Sage, Taylor & Francis, Hindawi, NEJM, Emerald Publishing, Duke University Press, IntechOpen, AIAA, Karger, Underline.io, J-STAGE, and more. Join 3M+ academics on R Discovery, the highest rated app in this space with a 4.6+ App Store rating. Free to use, or upgrade to R Discovery Prime for unlimited premium access. Get it now! Privacy Policy: https://cactusglobal.com/privacy-policy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

EJS Student Kit

Features
Read full description

EJS Student Kit is a comprehensive app that allows students to access and manage their courses smoothly. It facilitates course collaboration, browsing and notifications across assigned courses.

Screenshots

R Discovery4 screens
EJS Student Kit4 screens

Verdict

The call

The clearest difference is in-app purchases: EJS Student Kit at none against R Discovery's 6. EJS Student Kit also leads on iOS requirement (12.0 vs 15). R Discovery's advantage is update cadence (monthly vs every 6 months). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. R Discovery sells 6 in-app purchases, starting at $11.99 per month. EJS Student Kit asks for nothing beyond the download.

UpkeepUpdate frequency

R Discovery ships an update monthly, EJS Student Kit every 6 months. The most recent releases landed on September 22, 2026 and May 19, 2026 respectively.

Scorecard3 real differences · 7 level
R Discovery versus EJS Student Kit: the parameters behind the verdict, then further details
ParameterR DiscoveryEJS Student Kit
PriceFreeFree
Rating4.8 (910 ratings) — better—
Positive reviews56.8% of reviews—
Number of ratings910 — better—
Update frequencyMonthly — betterEvery 6 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS1512.0 — better
Further details — not scored
Size56 MB93 MB
Age rating4+4+
DeveloperCACTUS COMMUNICATIONS SERVICES PTE. LTDITWORX Education

Bugs and requests

R Discovery

Reported bugs

4 issues
  • Home screen takes a long time to load
  • Audio translation feature doesn't work
  • Buttons are extremely slow
  • Switching between dark and light mode is glitchy

Requested features

5 requests
  • Add option to view author information in preview
  • Enable screen rotation for iPad users
  • Add more advanced search functionality
  • Allow canceling of export in progress
  • Improve integration with Zotero

EJS Student Kit

Not enough reviews yet to summarise bugs or requests.

In-app purchases

6 purchases

R Discovery

Subscriptions6
  • Monthly$11.991 Month
  • Monthly$24.991 Month
  • Monthly$25.001 Month
Show 3 more
  • Yearly$69.001 Year
  • Yearly$139.991 Year
  • Yearly$143.991 Year
None

EJS Student Kit

No in-app purchases

Questions

Is R Discovery free?
R Discovery is free to download, with in-app purchases available.
Is EJS Student Kit free?
EJS Student Kit is free to download, with no in-app purchases.
Do R Discovery or EJS Student Kit have ads?
Neither R Discovery nor EJS Student Kit shows ads.
Which is updated more often, R Discovery or EJS Student Kit?
R Discovery ships an update monthly, and EJS Student Kit every 6 months. Most recently, R Discovery was updated on September 22, 2026 and EJS Student Kit on May 19, 2026.

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