# UpToDate vs ACHO

The clearest difference is review sentiment: ACHO at 100% against UpToDate's 28%. ACHO also leads on monetization model (free vs subscription) and iOS requirement (15.1 vs 18.0). UpToDate's advantage is chart position (#187 vs unranked). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpToDate ships an update every 5 weeks, ACHO every 2 months. The most recent releases landed on September 25, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | UpToDate | ACHO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (579 ratings)](https://appshunter.io/ios/app/uptodate/id334265345/reviews)** | — |
| Number of ratings | **579** | — |
| Positive reviews | 28.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Subscription | **Free** |
| Best chart rank | **#187** | — |
| Size | 56 MB | 45 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [UpToDate, Inc.](https://appshunter.io/developer/334265348) | [ASOCIACION COLOMBIANA DE HEMATOLOGIA Y ONCOLOGIA](https://appshunter.io/developer/1529369148) |

## What reviewers say

### UpToDate

[App page](https://appshunter.io/ios/app/uptodate/id334265345)

**Currently charting:** #187 Top Free · Medical (US App Store)

This clinical decision support tool provides healthcare professionals with evidence-based guidance to improve patient care. It features AI-powered conversational answers, continuously updated medical content, and tools for drug reference, calculations, and patient education.

**Highlights:** Expert AI conversational guidance, Gold standard clinical content, Practice-changing updates, Patient education materials, Drug reference and interactions, Clinical calculators, Kidney dosing guidance

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 💎 Invaluable medical resource
- 🚀 Quick and easy to use
- 🔍 Comprehensive and up-to-date content

**What reviewers complain about**

- 🐛 Frequent crashes and freezing issues
- 🔌 Unreliable offline functionality
- 💰 Expensive subscription cost

**Reported bugs**

- Inability to download offline content
- Constant need to re-authenticate
- Incompatibility with recent iOS updates

**Requested features**

- Highlight and annotate content
- Improved institutional login support
- Dark mode and font size options


### ACHO

[App page](https://appshunter.io/ios/app/acho/id6736631927)

This app provides medical professionals with the latest news, academic posters, and event information in hematology and oncology. Engage with content through voting and real-time notifications during events.

**Highlights:** Latest news and updates, Academic poster database, Poster voting system, Event and webinar calendar, Real-time event notifications, Downloadable PDF content

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is UpToDate free?

UpToDate is free to download, with no in-app purchases.

### Is ACHO free?

ACHO is free to download, with no in-app purchases.

### Do UpToDate or ACHO have ads?

Neither UpToDate nor ACHO shows ads.

### Which is updated more often, UpToDate or ACHO?

UpToDate ships an update every 5 weeks, and ACHO every 2 months. Most recently, UpToDate was updated on September 25, 2026 and ACHO on June 1, 2026.

---

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