# Indigo vs Washington Manual Bundle App

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.

Both are free to download. Washington Manual Bundle App sells 16 one-off in-app purchases. Indigo asks for nothing beyond the download.

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.

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

## The numbers

| Metric | Indigo | Washington Manual Bundle App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (15 ratings)](https://appshunter.io/ios/app/indigo-medical-reference/id1384600751/reviews) | **[4.7 (37 ratings)](https://appshunter.io/ios/app/washington-manual-bundle-app/id1398706447/reviews)** |
| Number of ratings | 15 | **37** |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 21 months |
| Monetization | Free | Free |
| Size | 23 MB | 57 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [INDIGOMED LLC](https://appshunter.io/developer/1245963707) | [Skyscape Medpresso Inc](https://appshunter.io/developer/818609416) |

## What reviewers say

### Indigo

[App page](https://appshunter.io/ios/app/indigo-medical-reference/id1384600751)

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:** macOS Compatibility

**In-app purchases:** none


### Washington Manual Bundle App

[App page](https://appshunter.io/ios/app/washington-manual-bundle-app/id1398706447)

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:** macOS Compatibility

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MobileDDx | $4.99 | one-time |
| Washington Manual™ Hematology | $49.99 | one-time |
| Washington Manual Neurology | $49.99 | one-time |
| Washington Manual Cardiology | $49.99 | one-time |
| Washington MNL Outpatient Medi | $49.99 | one-time |
| Washington Manual Geriatrics | $49.99 | one-time |
| WashMnl Pul Med Subspe Consult | $49.99 | one-time |
| WashMnl Psych Survival Guide | $49.99 | one-time |
| Washington Manual Ob/Gy Guide | $49.99 | one-time |
| Washington Manual of Oncology | $49.99 | one-time |
| Washington Manual Surgery | $49.99 | one-time |
| Skyscape Labs™ | $49.99 | one-time |
| Washington Manu. Critical Care | $59.99 | one-time |
| Washington Manual-Medical Ther | $74.99 | one-time |
| Washington Manual Bundle 2022 | $99.99 | one-time |
| Washington Manual Bundle 2024 | $99.99 | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*