Comparison

HistoLogic vs STAFF (GURUKUL)

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

Head to head
About

HistoLogic

Learn tissue microscopy with high-quality images and detailed descriptions. Test your knowledge with multiple-choice quizzes in various game modes, including timed challenges and high-difficulty tests.

Highlights
  • Hundreds of histology images
  • Low and high magnification toggling
  • Detailed cell and tissue outlines
  • Explore mode for organ examination
  • Time Trial quiz mode
  • Hot Streak challenging mode
  • Randomized question order
Features
Read full description

HistoLogic is a free study resource for people trying to learn tissue microscopy. It was designed for students in graduate medical education programs. Users of the app gain access to hundreds of high-quality images and helpful descriptions of the important cells, tissues, and structures in multiple organ systems created by faculty at University of Illinois College of Medicine Peoria. Explore mode allows students to learn about cells in different organs and their functions in the body. Toggle between low and high magnification images of each organ. Specialized cells are clearly highlighted, and the underlying text describes their appearance and role. The app ​also contains Time Trial mode with multiple choice questions at escalating difficulty levels. There are over 350 different questions to test your knowledge across multiple organ systems. The Time Trial questions challenge you to beat your old score with each login. The question order is randomized with each gaming session, and the app adapts to your previous play through. True histology pros can test their skill in Hot Streak mode. This mode forces you to answer all 90 questions for an organ system in a single sitting. One wrong answer boots you back to the beginning and resets the question order. Can you make it all the way to the end? Features: • View hundreds of histology images across multiple organ systems. • Toggle between high quality images at low and high-power magnification. • View hand-drawn outlines for important cells, tissues, and structures. • Examine organs and learn their important histological features with Explore mode. • Review histology questions in Time Trial mode with three difficulty settings. • Strain your brain to answer all 90 questions per organ system in a single run of Hot Streak. • Enjoy endless replays as questions order is randomized for each session. • Detailed rationale for each question is clearly described in case you answer incorrectly. • Randomization adapts to your scores; previously missed items are prioritized in later game sessions. • Additional organ systems to come.

About

STAFF (GURUKUL)

Features
Read full description

This application focuses on the needs of a teacher. The panel contains features to convey proper information between a teacher and a student, also having a smooth user experience and very attractive user interface.

Screenshots

HistoLogic4 screens
STAFF (GURUKUL)4 screens

Verdict

The call

The clearest difference is update cadence: HistoLogic at every 9 days against STAFF (GURUKUL)'s every 23 months. HistoLogic also leads on iOS requirement (12.0 vs 15.6). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

HistoLogic ships an update every 9 days, STAFF (GURUKUL) every 23 months. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

Scorecard2 real differences · 8 level
HistoLogic versus STAFF (GURUKUL): the parameters behind the verdict, then further details
ParameterHistoLogicSTAFF (GURUKUL)
PriceFreeFree
Rating5.0 (6 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings6 — better—
Update frequencyEvery 9 days — betterEvery 23 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.6
Further details — not scored
Size76 MB184 MB
Age rating12+4+
DeveloperOSF Healthcare SystemSuresh Choudhary

In-app purchases

None

HistoLogic

No in-app purchases

None

STAFF (GURUKUL)

No in-app purchases

Questions

Is HistoLogic free?
HistoLogic is free to download, with no in-app purchases.
Is STAFF (GURUKUL) free?
STAFF (GURUKUL) is free to download, with no in-app purchases.
Do HistoLogic or STAFF (GURUKUL) have ads?
Neither HistoLogic nor STAFF (GURUKUL) shows ads.
Which is updated more often, HistoLogic or STAFF (GURUKUL)?
HistoLogic ships an update every 9 days, and STAFF (GURUKUL) every 23 months. Most recently, HistoLogic was updated on October 24, 2026 and STAFF (GURUKUL) on October 16, 2026.

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