Comparison

R Discovery vs SPSS Software Guide

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

SPSS Software Guide

This app provides step-by-step guidance for data analysis using statistical methods. It covers descriptive and inferential statistics, regression models, and data management techniques. Unlock the potential of your data with practical tips and explanations.

Highlights
  • Descriptive statistics guidance
  • Inferential analysis explanations
  • Regression model tutorials
  • Data management techniques
  • Binary logistic regression
  • Poisson regression
  • Multinomial regression
Features
Read full description

Whether you're delving into the realm of descriptive statistics for a clear snapshot of your data, harnessing the power of inferential analysis to draw meaningful conclusions, or navigating the intricacies of regression models, this app has you covered. From data management techniques to exploring binary logistic regression, Poisson regression, multinomial regression, and more, it offers step-by-step guidance, insightful explanations, and practical tips to help you unlock the full potential of your data analysis endeavors. Empower yourself with the knowledge and tools needed to make informed decisions and uncover valuable insights with the SPSS iOS app.

Screenshots

R Discovery4 screens
SPSS Software Guide4 screens

Verdict

The call

The clearest difference is price: R Discovery at Free against SPSS Software Guide's $4.99. R Discovery also leads on review sentiment (57% vs 14%) and rating (4.8 vs 3.0). On in-app purchases, monetization model, 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

R Discovery is free to download; SPSS Software Guide costs $4.99 up front. R Discovery sells 6 in-app purchases, starting at $11.99 per month and SPSS Software Guide sells 3 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

R Discovery holds the better App Store score, 4.8 against 3.0. That said, the two scores are not equally well evidenced: R Discovery has 924 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 57% of R Discovery's written reviews are positive against 14% of SPSS Software Guide's.

UpkeepUpdate frequency

R Discovery ships an update monthly, SPSS Software Guide every 2 months. Both last shipped on October 24, 2026.

Scorecard6 real differences · 4 level
R Discovery versus SPSS Software Guide: the parameters behind the verdict, then further details
ParameterR DiscoverySPSS Software Guide
PriceFree — better$4.99
Rating4.8 (924 ratings) — better3.0 (10 ratings)
Positive reviews56.8% of reviews — better14.3% of reviews
Number of ratings924 — better10
Update frequencyMonthly — betterEvery 2 months
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS1515.0
Further details — not scored
Size56 MB31 MB
Age rating4+17+
DeveloperCACTUS COMMUNICATIONS SERVICES PTE. LTDAshenafi Siyume Girema

Customer experience

R Discovery

All ratings910 ratings
Positive95.5%
Neutral2.1%
Negative2.4%
Written reviews44 reviews
Positive56.8%
Neutral20.5%
Negative22.7%

SPSS Software Guide

All ratings10 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews14 reviews
Positive14.3%
Neutral0.0%
Negative85.7%

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

SPSS Software Guide

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
3 purchases

SPSS Software Guide

Subscriptions2
  • Monthly$5.991 Month
  • Yearly$39.991 Year
One-time1
  • Enable Offline Mode$29.99

Questions

Is R Discovery free?
R Discovery is free to download, with in-app purchases available.
Is SPSS Software Guide free?
SPSS Software Guide costs $4.99, and also offers in-app purchases.
Which has better reviews, R Discovery or SPSS Software Guide?
R Discovery is rated higher. R Discovery averages 4.8 out of 5 from 924 ratings, while SPSS Software Guide averages 3.0 from 10 ratings.
Do R Discovery or SPSS Software Guide have ads?
SPSS Software Guide shows ads; R Discovery does not.
Which is updated more often, R Discovery or SPSS Software Guide?
R Discovery ships an update monthly, and SPSS Software Guide every 2 months. Most recently, R Discovery was updated on October 24, 2026 and SPSS Software Guide on October 24, 2026.

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