HistoLogic vs HistoGrams⁺
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
HistoGrams⁺
This app offers a quick reference and revision guide for students, covering histology, physiology, biochemistry, and pathology. It features comprehensive notes and hand-drawn diagrams to simplify complex topics and prepare for exams.
- Histology revision notes
- Hand-drawn diagrams
- Neuroanatomy demos
- Physiology practical details
- Video links for concepts
- Regular updates
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Hello... Dear students, It has always been a tough task to finish entire syllabus before exams. Many things go unread or unrevised due to time constrain. Let's make it simple now with "HistoGrams+"...! In this new update apart from Histology; many other subjects and topics particularly practical point of view will be included like physiology, biochemistry, pathology etc. *In Histology*- almost all the topics are covered under 19 Chapters. A comprehensive note and a related hand-drawn diagrams will surely make each topic easy and quick to revise in a short period of time. Total 130+ such diagrams ( more will be added regularly ) will also provide a reference point for preparing workbooks. Similarly, in *Neuroanatomy demo* - all concerned demo topics are covered with hand drawn diagrams, real images and video links. *In Physiology Practicals* - details of practicals including experimental, haematology and clinical have been included. Each topic is having relevant notes and video links which will make it comprehensive. Overall, we have tried to include everything which is concerned and important. Definitely a quick reference cum revision guide before exams. Your feedbacks are precious and welcome. Stay tuned for regular updates. Wishes for studies..!! Regards, Team HistoGrams
Screenshots
Verdict
The clearest difference is review sentiment: HistoLogic at 100% against HistoGrams⁺'s 67%. HistoLogic also leads on update cadence (every 9 days vs every 2 months) and rating (5.0 vs 4.7). On price, ratings volume, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
HistoLogic holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 5 and 3 respectively. Written reviews point the same way: 100% of HistoLogic's written reviews are positive against 67% of HistoGrams⁺'s.
HistoLogic ships an update every 9 days, HistoGrams⁺ every 2 months. The most recent releases landed on September 14, 2026 and September 11, 2026 respectively.
| Parameter | HistoLogic | HistoGrams⁺ |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) — better | 4.7 (3 ratings) |
| Positive reviews | 100.0% of reviews — better | 66.7% of reviews |
| Number of ratings | 5 — better | 3 |
| Update frequency | Every 9 days — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 76 MB | 28 MB |
| Age rating | 12+ | 17+ |
| Developer | OSF Healthcare System | Viren Kariya |
Customer experience
HistoLogic
HistoGrams⁺
In-app purchases
HistoLogic
No in-app purchases
HistoGrams⁺
No in-app purchases







