# ENABLE (SHP643 vs Doc42

The clearest difference is update cadence: Doc42 at every 3 months against ENABLE (SHP643's every 8 months. ENABLE (SHP643's advantage is iOS requirement (12.1 vs 16.6). 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.

ENABLE (SHP643 ships an update every 8 months, Doc42 every 3 months. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | ENABLE (SHP643 | Doc42 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 months** |
| Size | 42 MB | 41 MB |
| Requires iOS | **12.1** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [ERT, INC](https://appshunter.io/developer/1160214546) | [G42 HEALTHCARE TECHNOLOGY SOLUTIONS L.L.C.](https://appshunter.io/developer/1623374168) |

## What reviewers say

### ENABLE (SHP643

[App page](https://appshunter.io/ios/app/enable-shp643-402/id1475471821)

**In-app purchases:** none


### Doc42

[App page](https://appshunter.io/ios/app/doc42/id6502351723)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ENABLE (SHP643 free?

ENABLE (SHP643 is free to download, with no in-app purchases.

### Is Doc42 free?

Doc42 is free to download, with no in-app purchases.

### Do ENABLE (SHP643 or Doc42 have ads?

Neither ENABLE (SHP643 nor Doc42 shows ads.

### Which is updated more often, ENABLE (SHP643 or Doc42?

ENABLE (SHP643 ships an update every 8 months, and Doc42 every 3 months. Most recently, ENABLE (SHP643 was updated on November 6, 2026 and Doc42 on November 4, 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.*