# DEC vs Oncology Cases

The clearest difference is in-app purchases: DEC at none against Oncology Cases's 3. Oncology Cases's advantage is update cadence (every 6 weeks vs every 10 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Oncology Cases sells 3 in-app purchases, starting at $4.99 per 7 days. DEC asks for nothing beyond the download.

DEC ships an update every 10 months, Oncology Cases every 6 weeks. The most recent releases landed on October 18, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | DEC | Oncology Cases |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 6 weeks** |
| Size | 47 MB | 187 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Dougals Education Center](https://appshunter.io/developer/797043308) | [KBT MedTech Ltd](https://appshunter.io/developer/1724033100) |

## What reviewers say

### DEC

[App page](https://appshunter.io/ios/app/dec/id6575382227)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Oncology Cases

[App page](https://appshunter.io/ios/app/oncology-cases-asccp-practice/id6758357231)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Monthly | $14.99 | per month |
| Yearly | $49.99 | per year |


## Frequently asked questions

### Is DEC free?

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

### Is Oncology Cases free?

Oncology Cases is free to download, with in-app purchases available.

### Do DEC or Oncology Cases have ads?

Neither DEC nor Oncology Cases shows ads.

### Which is updated more often, DEC or Oncology Cases?

DEC ships an update every 10 months, and Oncology Cases every 6 weeks. Most recently, DEC was updated on October 18, 2026 and Oncology Cases on October 19, 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.*