Comparison

Indigo vs Washington Manual Bundle App

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

Head to head
About

Indigo

A comprehensive medical reference for internal medicine, covering conditions from anemia to HIV/AIDS. It offers guidance for managing common ward and ICU cases, plus essential tips for new residents on consults and H&Ps. Designed for educational purposes for medical students and residents.

Highlights
  • Internal medicine management
  • Anemia and lab abnormalities
  • Chronic condition management (e.g., AIDS/HIV)
  • Ward and ICU case management
  • Tips for new residents
  • Consultation and H&P guidance
Features
Read full description

This is a comprehensive mobile medicine reference that includes management of everything in internal medicine ranging from anemia, lab abnormalities, to complicated chronic conditions such as AIDS/HIV. This includes all the common cases you'll see on a medicine ward / ICU and how to manage them. In addition, it offers amazing tips on how to survive on being a new resident - such as how to properly call consults, how to write H&Ps etc. A must have for anyone new to residency and even anyone who's a practicing physician. THE APP DOES NOT PROVIDE MEDICAL ADVICE. The contents of this App ("Content") are for informational and educational purposes only. The Content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. This app is geared for further education of medical students and residents only, and is not meant to replace medical advice from a trained professional. Always seek the advice of state accredited Attendings or Subspecialists with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this App. If you think your patient may have a medical emergency, call a rapid response or appropriate code immediately. This App does not recommend or endorse any specific tests, physicians, products, procedures, opinions, or other information that may be mentioned. Reliance on any information provided in this App is solely at your own risk. THE USE OF THIS APP AND THE CONTENT IS AT YOUR OWN RISK. This App and the Content are provided on an "as is" basis. THE PROVIDERS OF THIS APP, TO THE FULLEST EXTENT PERMITTED BY LAW, DISCLAIM ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, STATUTORY OR OTHERWISE, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, NON-INFRINGEMENT OF THIRD PARTIES' RIGHTS, AND FITNESS FOR PARTICULAR PURPOSE. Without limiting the foregoing, the Providers of the App make no representations or warranties about the accuracy, reliability, completeness, currentness, or timeliness of the Content. In no event shall the Providers of the App be liable for any damages (including, without limitation, incidental and consequential damages, personal injury/wrongful death, lost profits, adverse consequences due to invasive procedures, or damages resulting from lost data or business interruption) resulting from the use of or inability to use this App or the Content, whether based on warranty, contract, tort, or any other legal theory, and whether or not the Providers of the App are advised of the possibility of such damages. The Providers of the App are not liable for any personal injury, including death, caused by your use or misuse of this App. By using this App, you agree to defend, indemnify, and hold the Providers of the App harmless from and against any claims, actions or demands, liabilities and settlements including without limitation, reasonable legal and accounting fees, resulting from, or alleged to result from, your violation of these Terms and Conditions. Questions or comments regarding this App should be submitted to: indigotheapp@gmail.com ©2025 David Fink MD, Wei Yang MD

About

Washington Manual Bundle App

This medical reference app provides essential resources for residents, including diagnostic tools, drug information, and clinical calculators. Access critical patient care information offline, ensuring quick and accurate decision-making on rounds or during emergencies.

Highlights
  • Differential diagnosis tool
  • Drug guide with dosing calculators
  • Clinical lab test descriptions
  • Medical formulae calculator
  • Offline access to resources
  • SmartSearch technology
Features
Read full description

Your best friend anytime day or night: Skyscape’s Washington Manual Bundle. It contains 5 essential resources curated specifically for your medical residency. Carry all the knowledge you need for those middle-of-the night head-scratchers and crises on your phone or tablet, and be a pro on rounds in the morning. In the middle of the night (and throughout the day), you will be able to find the critical information you need to provide the best care to your patients. And because these are stand-alone apps, you will be able to use them anywhere on your campus, even in the deepest bowels of the hospital where the Wi-Fi just doesn’t reach. Skyscape’s patented SmartSearch technology will help you find the right diagnosis, treatment options, dosage and more faster (and more accurately) than Google or any other online search engine. What you get: * The Washington Manual of Medical Therapeutics - For over 40 years, the medical intern and resident’s go-to source for answers to clinical questions found on the wards and in the clinic. Short, quick and to the point, it helps you diagnose and treat hundreds of medical conditions with easy-to-read articles and procedure instructions. * DrDrugs®: Drug Guide for Physicians - Always get the right drug for the right patient at the right time with comprehensive coverage on over 1,000 drug monographs, plus 800 built in drug dosing calculation tools. * MobileDDx Differential Diagnosis Tool – Got a head-scratcher? Look it up by signs and symptoms. Based on 4th Edition of Diagnosaurus – is an authoritative, quick reference tool that allows you to explore topics by organ system, symptoms or diseases only, or search across all topics to make accurate, informed and confident differential diagnoses at point of care. * Skyscape Labs™: rapidly obtain a description of the test; understand its clinical utility; understand what a high or low value might mean and how the test can aide in clinical diagnosis and treatment. * Skyscape Clinical Calculator PLUS™: With over 200 preprogrammed medical formulae, the Clinical Calculator includes tools such as glomerular filtration rates, BMI, peak flow, narcotic equivalence, pregnancy dating, syncope decision trees, rules, scoring systems, and hundreds more. Find the calculator you need in just 1-3 clicks in most cases. Skyscape’s Washington Manual Bundle – featuring Washington Manual will be your guiding light in the middle of the night!

Screenshots

Indigo4 screens
Washington Manual Bundle App4 screens

Verdict

The call

The clearest difference is in-app purchases: Indigo at none against Washington Manual Bundle App's 16. Indigo also leads on update cadence (every 2 months vs every 21 months). Washington Manual Bundle App's advantage is review sentiment (100% vs 67%) and rating (4.7 vs 4.5). On price, ratings volume, ads 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. Washington Manual Bundle App sells 16 one-off in-app purchases. Indigo asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Washington Manual Bundle App holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 15 and 37 respectively. Written reviews point the same way: 67% of Indigo's written reviews are positive against 100% of Washington Manual Bundle App's.

UpkeepUpdate frequency

Indigo ships an update every 2 months, Washington Manual Bundle App every 21 months. Both last shipped on October 24, 2026.

Scorecard5 real differences · 5 level
Indigo versus Washington Manual Bundle App: the parameters behind the verdict, then further details
ParameterIndigoWashington Manual Bundle App
PriceFreeFree
Rating4.5 (15 ratings)4.7 (37 ratings) — better
Positive reviews66.7% of reviews100.0% of reviews — better
Number of ratings1537 — better
Update frequencyEvery 2 months — betterEvery 21 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.09.0 — better
Further details — not scored
Size23 MB57 MB
Age rating17+17+
DeveloperINDIGOMED LLCSkyscape Medpresso Inc

Customer experience

Indigo

All ratings14 ratings
Positive92.9%
Neutral0.0%
Negative7.1%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

Washington Manual Bundle App

All ratings37 ratings
Positive91.9%
Neutral2.7%
Negative5.4%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Indigo

No in-app purchases

16 purchases

Washington Manual Bundle App

One-time16
  • MobileDDx$4.99
  • Washington Manual™ Hematology$49.99
  • Washington Manual Neurology$49.99
Show 13 more
  • Washington Manual Cardiology$49.99
  • Washington MNL Outpatient Medi$49.99
  • Washington Manual Geriatrics$49.99
  • WashMnl Pul Med Subspe Consult$49.99
  • WashMnl Psych Survival Guide$49.99
  • Washington Manual Ob/Gy Guide$49.99
  • Washington Manual of Oncology$49.99
  • Washington Manual Surgery$49.99
  • Skyscape Labs™$49.99
  • Washington Manu. Critical Care$59.99
  • Washington Manual-Medical Ther$74.99
  • Washington Manual Bundle 2022$99.99
  • Washington Manual Bundle 2024$99.99

Questions

Is Indigo free?
Indigo is free to download, with no in-app purchases.
Is Washington Manual Bundle App free?
Washington Manual Bundle App is free to download, with in-app purchases available.
Which has better reviews, Indigo or Washington Manual Bundle App?
Washington Manual Bundle App is rated higher. Indigo averages 4.5 out of 5 from 15 ratings, while Washington Manual Bundle App averages 4.7 from 37 ratings.
Do Indigo or Washington Manual Bundle App have ads?
Neither Indigo nor Washington Manual Bundle App shows ads.
Which is updated more often, Indigo or Washington Manual Bundle App?
Indigo ships an update every 2 months, and Washington Manual Bundle App every 21 months. Most recently, Indigo was updated on October 24, 2026 and Washington Manual Bundle App on October 24, 2026.

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