# Histo! — Learn Histology Efficiently! > Histology learning and identification tool for medical students. (iPhone/iPad app by John Ash.) - Source: https://appshunter.io/ios/app/histo/id1128927858 (this page in markdown: same URL + `.md`) - Developer: [John Ash](https://appshunter.io/developer/1128927857) - Category: Medical, Education - Price: $9.99 - Rating: 5.00/5 from 29 App Store ratings · 13 written reviews indexed - Age rating: 12+ - Requires: iOS 13.0 · 456 MB - Languages: American English - Released: 2019-06-06 - Data updated: 2026-08-27 - Monetization: paid - User reviews in markdown: https://appshunter.io/ios/app/histo/id1128927858/reviews.md ## What is Histo!? Histo! helps you learn histology and test your knowledge. It is the favorite study aid of medical and dental students in histology courses at the University of Utah. The App currently contains 2179 identification slides, based on 547 photomicrographic images. It is organized into 19 Main Topics and 148 Subtopics. It does not require an internet connection. NAVIGATION •Three navigation menus are provided, one to choose among the Main Topics, a second to select Subtopics of the Main Topics, and a Search feature to find slides using 675 keywords. These meus allow you focus your study as broadly or narrowly as desired. •Once slides are displayed, a one-finger left or right swipe moves forward or backward by one slide, a two-finger swipe jumps 10 slides. LABELED SLIDE MODE •This mode presents 92 micrographs that cover the Main Topics. Important structural features are named, and short explanations are given. These micrographs provide an efficient way for anyone new to a topic to quickly learn the identifications and spatial relationships of the microanatomy that are key for identifying tissues and organs. •The labels can be turned on and off by tapping, allowing immediate self-testing while learning. LEARN, QUIZ, and TEST (LQT) MODES •These modes are based on 2087 questions and answers related to 455 micrographs. •In the Learn mode, each slide displays a question, the answer, and a short explanation. The slides are presented in a logical order that helps you learn the material. •In the Quiz mode, only the question is shown, and the order of presentation is randomized. You can tap to see the answer and explanation. A Quiz persists until the user deletes it. •In the Test mode, you tap to display the built-in keyboard to answer the question, then grade your response. Results for each Main Topic are shown when you have finished a Test. STRUCTURES AND ADDITIONAL FEATURES •Histo! addresses both microanatomy and functional histology. About 70% of the LQT slides ask for identification of structures, the remainder are related to other features of these structures, such as functions, molecular components, or diseases. •From the Main Topic menu, you choose whether to review structures or other features, or both. MARKING AND UNMARKING SLIDES •Slides in any mode may be marked for later review. This happens automatically when you miss a question in the Test mode, and by tapping a button in the Label, Learn, or Quiz modes. •Whenever you return to the Start screen, either during a session or later after exiting, you are offered the chance to review slides marked in any of the four modes. Buttons to review marked slides are also present on the Main and Subtopics menus. •Slides that have been marked can be unmarked during a review by scoring the question as completely correct in the Test mode or tapping a button in the Learn or Quiz modes. SHOWING SPECIFIC SLIDES •Identifiers for slides viewed in the Labeled, Learn or Quiz modes can be recorded and then distributed via electronic documents. Anyone importing these identifiers can view the slides in the Learn mode. •Students can ask for help with a structural or functional question related to a specific slide and instructors can present preselected examples to an individual or group. ## Key features - 2179 identification slides - 19 Main Topics and 148 Subtopics - Offline functionality - Labeled slide mode with interactive labels - Learn, Quiz, and Test modes - Marking and review of slides - Searchable keywords ## Chart rankings - #58 in Top Paid · Medical (US App Store) ## Recent user reviews (10 of 13) All indexed reviews: https://appshunter.io/ios/app/histo/id1128927858/reviews.md ### 5/5 — Good for histo *2024-07-24* I’m a second year medical student. Helped a lot with histology. After studying I would use this app to get a large volume of images. I would like to see a feature in the app to view infectious tissue such as osteomyelitis. ### 5/5 — Awesome for studying *2021-09-06* This app has helped me a ton in class. Make sure to use the learn, quiz, and test features. ### 4/5 — Excellent study tool *2020-10-07* This is a great app to study histology slides and prep for histology labs. It would be nice to be able to zoom in on the slides a little, but not a big deal. ### 5/5 — Amazing App! *2020-09-28* Really grateful for this fabulous resource! Helps cement everything you learn about in histo lab. ### 5/5 — Great app *2020-01-21* Love this app, it’s been a tremendous help studying. Makes it fun. ### 5/5 — Great study resource *2019-11-19* This is a great histology study resource! ### 5/5 — Fantastic *2019-11-11* Lots of examples from different slides to help learn what things are. Great app. ### 5/5 — Great for familiarization and learning functions *2019-10-01* This is a fantastic resource. I wish there was a next and back button. I am not a huge fan of the randomness all the time, I want to cover one specific slide for all 7 labels (if there are that many) right in a a row, but it jumps around to random places. ### 5/5 — Good, but needs zoom. *2019-09-27* Would be better if you could zoom in on pictures. Otherwise, its pretty good. ### 5/5 — Awesome! *2019-08-26* This app is so convenient. It’s a great way to learn and test with so many high quality images and concise explanations. I like that I can use my phone or iPad. It’s an easy way to quiz myself when waiting in line for coffee or on public transit. Great work!! Medical students will find this very helpful in reviewing histology and prepping for Step 1. ## Frequently asked questions about Histo! ### What is Histo!? Histo! is a medical study aid designed to help users learn and test their knowledge of histology. It is particularly favored by medical and dental students for histology courses. ### How much does Histo! cost? Histo! is a paid application priced at $9.99. This one-time purchase grants access to all its features and content. ### Does Histo! require an internet connection? No, Histo! does not require an internet connection to function. This allows for studying anytime, anywhere, without data concerns. ### What kind of content does Histo! offer? Histo! contains 2179 identification slides based on 547 photomicrographic images, organized into 19 Main Topics and 148 Subtopics. It covers both microanatomy and functional histology. ### What are the different learning modes in Histo!? Histo! offers Labeled Slide Mode for quick identification, Learn Mode for guided study, Quiz Mode for randomized practice, and Test Mode for self-graded assessments. ### Can I mark slides for later review in Histo!? Yes, slides in any mode can be marked for later review. This feature automatically marks missed questions in Test mode and can be manually activated in other modes. ### What is the age rating for Histo!? Histo! has an age rating of 12+, making it suitable for older students and adults. ### How often is Histo! updated? Histo! was last updated on September 3, 2024, with version 1.4.03. This indicates active development and support for the application. ## Version history (last 5 releases) ### 1.4.03 — 2024-09-03 •The explanation text for the Label, Learn, and Quiz modes on iPads is now presented in a popup window controlled by a button, rather than being squeezed into a small window at the bottom right. •All Subtopics are now displayed in two scrollable windows on the Subtopic Menu. This replaces the single window of Main topics that required tapping to expand and contract the list of items. •The Search Menu has been reorganized and simplified. •The process for identifying and displaying specific slides has been simplified. ### 1.3.22 — 2023-07-12 •The Search feature presents slides containing images and/or text that are related to keywords, such as aorta, glomerulus, or zona pellucida. •A process for showing any of the 2179 slides has been added. •A link to Instructions on the Start window provides descriptions of all aspects of the app. ### 1.2.3 — 2022-08-06 The layout for iPhones has been updated to accommodate an increase in the font size of image descriptions and instructions, which facilitates readability. This requires text scrolling in some cases. The layout for iPads now allows proper display of micrographs on all models. Navigation buttons to the Start Menu have been added to the Main and Subtopic menus. ### 1.2.2 — 2021-10-05 The layout has been updated so that micrographs display properly on the new iPad mini (6th generation). ### 1.2.1 — 2021-07-20 •A Labeled Mode has been added, which includes 92 micrographs covering highlights of the 19 Main Topics. The names of key items appear on the micrographs. These labels can be removed or replaced by tapping the screen, allowing immediate self-testing. This mode helps anyone new to a topic to quickly learn the microanatomical features needed to identify tissues and organs. •Ten new questions have been added to the Nervous Tissue topic. ## Apps similar to Histo! | App | Rating | Price | Category | | --- | --- | --- | --- | | [TOKA Surgery Simulator](https://appshunter.io/ios/app/toka-surgery-simulator/id1589939900) | 2.0 (6) | Free | Medical | | [ImmerseRx mNSCLC Immunotherapy](https://appshunter.io/ios/app/immerserx-mnsclc-immunotherapy/id1640327940) | 5.0 (1) | Free | Medical | | [Meducator - Medical AI](https://appshunter.io/ios/app/meducator-medical-ai/id1659157660) | 4.8 (27) | Free | Medical | | [MiMed Pharmacy](https://appshunter.io/ios/app/mimed-pharmacy/id1639863000) | 5.0 (1) | Free | Medical | | [misTMJ](https://appshunter.io/ios/app/mistmj/id1592838220) | — | Free | Medical | | [Verifie Health](https://appshunter.io/ios/app/verifie-health/id1594121580) | — | Free | Medical | --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-27.*