# ScienceLink vs ACHO

The clearest difference is update cadence: ScienceLink at every 3 weeks against ACHO's every 2 months. ScienceLink also leads on iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

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

ScienceLink ships an update every 3 weeks, ACHO every 2 months. The most recent releases landed on September 10, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | ScienceLink | ACHO |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | — | Free |
| Size | 12 MB | 45 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [SCILINK COMUNICACION CIENTIFICA S.C.](https://appshunter.io/developer/1236647025) | [ASOCIACION COLOMBIANA DE HEMATOLOGIA Y ONCOLOGIA](https://appshunter.io/developer/1529369148) |

## What reviewers say

### ScienceLink

[App page](https://appshunter.io/ios/app/sciencelink/id1236647026)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 ScienceLink free?

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

### Is ACHO free?

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

### Do ScienceLink or ACHO have ads?

Neither ScienceLink nor ACHO shows ads.

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

ScienceLink ships an update every 3 weeks, and ACHO every 2 months. Most recently, ScienceLink was updated on September 10, 2026 and ACHO on June 1, 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.*