Comparison

AnSo vs Guide Dose

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

Head to head
About

AnSo

This app helps anesthesiologists quickly identify sonoanatomy for various procedures. It offers detailed images, landmark sketches, and innervation data for nerve blocks, along with tips from experienced clinicians. It covers regional anesthesia and other perioperative ultrasound uses.

Highlights
  • Sonoanatomy identification
  • Landmark sketches
  • Nerve block innervation
  • Ergonomic positioning guides
  • Perioperative ultrasound uses
  • Clinical tips and notes
Features
Currently charting
Read full description

AnSo is a convenient resource designed to help anaesthetists identify common sonoanatomy, in a time efficient manner, within the busy operating theatre. It has been created by practicing anaesthetists with an interest in teaching ultrasound and regional anaesthesia. Please note that a subscription is required to access all content for this app. You can purchase a monthly or yearly subscription after signing in. AnSo: - provides multiple examples of the sonoanatomy as every individual is different, - provides landmark sketches useful for developing pattern recognition of landmark structures, and for trainees to draw in exams, - displays the cutaneous, motor, osseous and visceral innervation of the numerous nerve blocks and fascial plane blocks now available, facilitating appropriate block choice and knowledge of expected results, - allows combining and comparing block innervation, - allows images to be flipped to display both L and R sided orientation, - demonstrates functional ergonomics with patient, ultrasound screen and proceduralist positioning essential for efficient practical performance, - provides block notes with sonoanatomy tips and practical tips from experienced clinicians which can be invaluable to the learner. AnSo is not only for regional anaesthesia but includes many other perioperative uses of ultrasound relevant to the anaesthetist, such as: - airway - gastric antrum - vascular access - spine - transthoracic echo - lung signs AnSo contains: - over 250 ultrasound images with over 1500 sonoanatomy colour overlays, - innervation images, - ergonomic images, - landmarks pattern sketches, - loops when required for dynamic sonoanatomy, - notes with tips from experienced clinicians. AnSo helps identify not only the target structures but all the surrounding sonoanatomy. This more comprehensive understanding of the sonoanatomy helps detect anatomical variability, improves the safety and efficacy of procedures, and facilitates learning and teaching. AnSo has been designed in a format that can be easily updated and distributed to users so the information can be kept as current as possible in this rapidly expanding field. AnSo does not require an internet connection to run. Once downloaded all data is stored on your device so it will work anywhere and images will display without any delay. It can be useful both in and out of theatre, when performing procedures, and when learning or teaching ultrasound. There is no advertising in the app making it pleasant and time efficient to use. Terms of use can be found at https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Download AnSo today and always have access to this sonoanatomy and nerve block resource.

About

Guide Dose

This app provides healthcare professionals and students with quick access to clinical information, drug doses, and decision-support tools. It features a structured experience for study, reference, and organizing medical data, including AI-powered informational support.

Highlights
  • Search by medication or indication
  • Patient profile for contextualized readings
  • Organized clinical references and labeling
  • Modules on physiology, medications, and CPR
  • Clinical AI for informational support
  • Protocols and consultation flows
  • Auxiliary clinical tools
Features
Read full description

Guide Dose brings together clinical information, educational references, and clinical decision-support tools in a fast, clear, organized experience for iPhone and iPad. Developed by MedCalc LTDA, a Brazilian medical research and technology company, Guide Dose was created to support study, reference consultation, and the organization of clinical information. The app uses structured content, responsible language, and fluid navigation to help healthcare professionals and advanced students access medical information more clearly. Guide Dose does not replace clinical judgment, individualized prescribing, institutional protocols, official labeling, or government sources. Its purpose is to provide informational and educational support for review, consultation, and clinical workflow organization. FEATURES • Search by medication or indication. • Patient profile with age, weight, height, sex, and age range to contextualize readings and auxiliary tools. • Clinical references and official labeling organized in one environment. • Modules on physiology, medications, intubation pathways, and CPR support. • Clinical AI for informational support, with answers in an educational format. • Protocols and consultation flows for reviewing relevant topics. • Auxiliary tools grouped in a dedicated section, intended for reference use only. • Multilingual support for consultation in different languages. • Dark interface, readable typography, and fluid navigation within the Apple ecosystem. WHO IT IS FOR Physicians, nurses, pharmacists, and advanced students seeking a tool for study, reference consultation, and organization of clinical information. THE DIFFERENCE Guide Dose organizes clinical information, medical references, and support tools into a structured experience. The focus is clarity, review, medical education, and organization of health information. ABOUT MEDCALC LTDA MedCalc LTDA is a Brazilian company dedicated to research and innovation in medical technology. We develop digital tools that connect scientific evidence, medical education, and clinical information organization. CLINICAL CONTENT Guide Dose content is organized using medical literature, guidelines, official labeling, and recognized protocols. Critical information should always be confirmed with official sources, local guidelines, and institutional protocols. SUBSCRIPTIONS Guide Dose offers auto-renewable plans for full access: • Monthly Plan • Annual Plan Payment is charged to your Apple ID account at confirmation of purchase. The subscription renews automatically unless canceled at least 24 hours before the end of the current period. Manage or cancel in Settings > Apple ID > Subscriptions. PRIVACY Your data is treated seriously. Use fictitious data in demonstrations. In clinical settings, follow your institution’s protocols, applicable law, and best practices for data protection. Privacy Policy: https://guidedose.com.br/privacidade Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ UPDATES We continuously improve content, languages, performance, and stability. Download Guide Dose and get an organized tool for study, reference consultation, and clinical workflow support on iPhone and iPad. LEGAL NOTICE Guide Dose is a clinical support, study, and reference tool developed by MedCalc LTDA. It does not replace medical evaluation, prescribing, professional judgment, institutional protocols, official labeling, or official sources. Confirm doses, allergies, interactions, and clinical actions with your team, current guidelines, and primary sources. AI content is informational and educational and may contain inaccuracies. Use implies acceptance of the Terms of Use and Privacy Policy.

Screenshots

AnSo4 screens
Guide Dose4 screens

Verdict

The call

The clearest difference is review sentiment: Guide Dose at 86% against AnSo's 39%. Guide Dose also leads on update cadence (every 5 days vs fortnightly). AnSo's advantage is chart position (#94 vs unranked) and iOS requirement (13.0 vs 15.5). On price, ads, in-app purchases and monetization model 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. AnSo sells 4 in-app purchases, starting at $0.49 per month and Guide Dose sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

AnSo ships an update fortnightly, Guide Dose every 5 days. The most recent releases landed on September 27, 2026 and September 16, 2026 respectively.

Scorecard4 real differences · 7 level
AnSo versus Guide Dose: the parameters behind the verdict, then further details
ParameterAnSoGuide Dose
PriceFreeFree
Rating3.5 (30 ratings) — better—
Positive reviews39.1% of reviews85.7% of reviews — better
Number of ratings30 — better—
Update frequencyFortnightlyEvery 5 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationSubscriptionSubscription
Best chart rank#94 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.5
Further details — not scored
Size72 MB144 MB
Age rating17+12+
DeveloperSumo Enterprises Pty LtdMedCalc

Customer experience

AnSo

All ratings30 ratings
Positive60.0%
Neutral0.0%
Negative40.0%
Written reviews46 reviews
Positive39.1%
Neutral6.5%
Negative54.3%

Guide Dose

Written reviews7 reviews
Positive85.7%
Neutral0.0%
Negative14.3%

In-app purchases

4 purchases

AnSo

Subscriptions4
  • AnSo one month subscription14 Days trial$0.491 Month
  • AnSo Pro one year subscription1 Month trial$5.991 Year
  • AnSo Pro subscription1 Year trial$5.991 Year
Show 1 more
  • AnSo one year subscription14 Days trial$5.991 Year
2 purchases

Guide Dose

Subscriptions2
  • Guide Dose Pro (monthly)7 Days trial$9.991 Month
  • Guide Dose Pro (annual)7 Days trial$69.991 Year

Questions

Is AnSo free?
AnSo is free to download, with in-app purchases available.
Is Guide Dose free?
Guide Dose is free to download, with in-app purchases available.
Do AnSo or Guide Dose have ads?
Neither AnSo nor Guide Dose shows ads.
Which is updated more often, AnSo or Guide Dose?
AnSo ships an update fortnightly, and Guide Dose every 5 days. Most recently, AnSo was updated on September 27, 2026 and Guide Dose on September 16, 2026.

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