# Mobile Helix Link vs PrebillViewer

The clearest difference is update cadence: Mobile Helix Link at weekly against PrebillViewer's every 18 months. 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.

Mobile Helix Link ships an update weekly, PrebillViewer every 18 months. The most recent releases landed on June 7, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Mobile Helix Link | PrebillViewer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 18 months |
| Monetization | Free | — |
| Size | 85 MB | 78 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mobile Helix](https://appshunter.io/developer/773898345) | [BigHand](https://appshunter.io/developer/363744436) |

## What reviewers say

### Mobile Helix Link

[App page](https://appshunter.io/ios/app/mobile-helix-link/id773898342)

This encrypted app streamlines legal workflows by integrating document management and email. It allows for quick file access, annotation, comparison, and seamless email integration with popular DMS platforms. Designed for legal professionals to enhance productivity and responsiveness.

**Highlights:** Integrated document management and Outlook email, In-app document review and annotation, File comparison and version control, Predictive and multi-factor email filtering, Seamless integration with iManage, NetDocuments, and OpenText, Encrypted at-rest and in-transit

**Features:** macOS Compatibility

**In-app purchases:** none


### PrebillViewer

[App page](https://appshunter.io/ios/app/prebillviewer/id6648793584)

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

**In-app purchases:** none


## Frequently asked questions

### Is Mobile Helix Link free?

Mobile Helix Link is free to download, with no in-app purchases.

### Is PrebillViewer free?

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

### Do Mobile Helix Link or PrebillViewer have ads?

Neither Mobile Helix Link nor PrebillViewer shows ads.

### Which is updated more often, Mobile Helix Link or PrebillViewer?

Mobile Helix Link ships an update weekly, and PrebillViewer every 18 months. Most recently, Mobile Helix Link was updated on June 7, 2026 and PrebillViewer on September 21, 2026.

---

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