# PVA ePubs vs OrthoAxis

The clearest difference is in-app purchases: OrthoAxis at none against PVA ePubs's 12. PVA ePubs's advantage is update cadence (every 4 months vs every 14 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PVA ePubs sells 11 one-off in-app purchases. OrthoAxis asks for nothing beyond the download.

PVA ePubs ships an update every 4 months, OrthoAxis every 14 months. The most recent releases landed on October 29, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | PVA ePubs | OrthoAxis |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 14 months |
| Monetization | Free with in-app purchases | — |
| Size | 40 MB | 5 MB |
| Requires iOS | **11.0** | 12.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Paralyzed Veterans of America](https://appshunter.io/developer/596481960) | [OrthoAxis, LLC](https://appshunter.io/developer/1475345186) |

## What reviewers say

### PVA ePubs

[App page](https://appshunter.io/ios/app/pva-epubs/id596481957)

Access specialized medical information and self-help guides for individuals with spinal cord injuries. This reader app provides clinical practice guidelines and publications from the Paralyzed Veterans of America.

**Highlights:** Reader for PVA publications, Access clinical practice guidelines, Self-help guides for spinal cord injury, Information for healthcare professionals, Purchasable individual publications

**Features:** macOS Compatibility

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sexuality and Reproductive Health in Adults with Spinal Cord Injury | $5.99 | one-time |
| Preservation of Upper Limb Function Following Spinal Cord Injury | $5.99 | one-time |
| Respiratory Management Following Spinal Cord Injury | $5.99 | one-time |
| Yes You Can - Fourth Edition | $5.99 | one-time |
| Early Acute Management in Adults with Spinal Cord Injury | $5.99 | one-time |
| Bladder Managment for Adults with Spinal Cord Injury | $5.99 | one-time |
| Autonomic Dysreflexia | $5.99 | one-time |
| Pressure Ulcer Prevention and Treatment | $5.99 | one-time |
| Spinal Cord Medicine CPG | $5.99 | one-time |
| Neurogenic Bowel Dysfunction | $5.99 | one-time |
| MGMT of Mental Health Disorder | $5.99 | one-time |


### OrthoAxis

[App page](https://appshunter.io/ios/app/orthoaxis/id1475345187)

**In-app purchases:** none


## Frequently asked questions

### Is PVA ePubs free?

PVA ePubs is free to download, with in-app purchases available.

### Is OrthoAxis free?

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

### Do PVA ePubs or OrthoAxis have ads?

Neither PVA ePubs nor OrthoAxis shows ads.

### Which is updated more often, PVA ePubs or OrthoAxis?

PVA ePubs ships an update every 4 months, and OrthoAxis every 14 months. Most recently, PVA ePubs was updated on October 29, 2026 and OrthoAxis on October 26, 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.*