Comparison

RockSpin vs StudyAura

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

Head to head
About

RockSpin

Features
Read full description

RockSpin brings the polarizing microscope to your fingertips. Designed for geology students, researchers, and educators, this app lets you explore petrographic thin sections with full 360-degree rotation. Compare PPL and XPL views, inspect mineral markers, explore 3D crystal structures, browse a curated rock image catalog, and save favorites across your account. Every thin section is available at 300px at no charge. Pro ($4.99/month or $49.99/year) unlocks 500px and 700px viewing. Subscriptions auto-renew and can be cancelled in Apple ID settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://rockspin.app/privacy

About

StudyAura

Features
Read full description

Turn any PDF into brainrot videos, flashcards, quizzes, podcasts, summaries and mindmaps โ€” in seconds. StudyAura is the fastest way to crush exams without burning weekends making study sets from scratch. Drop your lecture notes, slide decks or textbook PDFs and get six ways to study the same material โ€” instantly. SIX STUDY MODES, BUILT FROM YOUR OWN MATERIAL โ€ข Brainrot videos โ€” your notes, over satisfying gameplay. Boring topics finally click. โ€ข Flashcards โ€” spaced repetition, generated for you โ€ข MCQ quizzes โ€” exam-style with answer explanations โ€ข Podcasts โ€” listen to your notes on the way to class โ€ข Summaries โ€” the point of any document in 30 seconds โ€ข Mindmaps โ€” see how every concept connects PLUS โ€ข Aura, your AI tutor โ€” chat about anything in your material WORKS ON IPHONE AND ON WEB Your library, your generated content, your subscription โ€” all in sync with studyaura.app. Start a study set on your laptop, finish it on the train. SUBSCRIPTION Unlock unlimited generations, longer documents and priority processing with a Student subscription, monthly or yearly. The yearly plan starts with a 3-day free trial. โ€ข Student Monthly โ€” $6.99 / month โ€ข Student Yearly โ€” $44.99 / year (3-day free trial for new subscribers) Prices may vary by region. Payment is charged to your Apple ID at confirmation of purchase. Subscriptions auto-renew unless turned off at least 24 hours before the end of the current period. Manage or cancel any time in Settings โ†’ Apple ID โ†’ Subscriptions. Privacy Policy: https://www.studyaura.app/privacy-policy Terms of Service: https://www.studyaura.app/terms-of-service

Screenshots

RockSpin4 screens
StudyAura3 screens

Verdict

The call

RockSpin and StudyAura are too close to call on the numbers: across 6 compared parameters โ€” price, update cadence, ads and in-app purchases among them โ€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. RockSpin sells 3 in-app purchases, starting at $9.99 per month and StudyAura sells 4 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 days. The most recent releases landed on October 4, 2026 and October 16, 2026 respectively.

ScorecardNo meaningful differences
RockSpin versus StudyAura: the parameters behind the verdict, then further details
ParameterRockSpinStudyAura
PriceFreeFree
Update frequencyEvery 2 daysEvery 2 days
AdsNoNo
In-app purchasesYesYes
DevicesiPhoneiPhone, iPad โ€” better
Requires iOS16.0 โ€” better17.6
Further details โ€” not scored
Size81 MB127 MB
Age rating4+4+
DeveloperWOOHYUN JEONHYRE Talent Sourcing and Matching

In-app purchases

3 purchases

RockSpin

Subscriptions2
  • Pro Monthly$9.991 Month
  • Pro Yearly$99.991 Year
One-time1
  • 1,000 Credits$14.99
4 purchases

StudyAura

Subscriptions4
  • Student Monthly3 Days trial$6.991 Month
  • Scholar Monthly3 Days trial$14.991 Month
  • Student Yearly3 Days trial$44.991 Year
Show 1 more
  • Scholar Monthly3 Days trial$89.991 Year

Questions

Is RockSpin free?
RockSpin is free to download, with in-app purchases available.
Is StudyAura free?
StudyAura is free to download, with in-app purchases available.
Do RockSpin or StudyAura have ads?
Neither RockSpin nor StudyAura shows ads.
Which is updated more often, RockSpin or StudyAura?
RockSpin ships an update every 2 days, and StudyAura every 2 days. Most recently, RockSpin was updated on October 4, 2026 and StudyAura on October 16, 2026.

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