# Shockwave Therapy vs Snellen test

The clearest difference is price: Snellen test at $0.99 against Shockwave Therapy's $4.99. Snellen test also leads on device support (3 vs 1). Shockwave Therapy's advantage is iOS requirement (9.3 vs 13.2). On review sentiment, update cadence, ads and in-app purchases there is nothing between them.

Shockwave Therapy costs $4.99 and Snellen test $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on June 5, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Shockwave Therapy | Snellen test |
| --- | --- | --- |
| Price | $4.99 | **$0.99** |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/shockwave-therapy/id479660920/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | Paid | Paid |
| Size | 10 MB | 3 MB |
| Requires iOS | **9.3** | 13.2 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Elvation Medical GmbH](https://appshunter.io/developer/479660923) | [Oleg Drobyshev](https://appshunter.io/developer/607614659) |

## What reviewers say

### Shockwave Therapy

[App page](https://appshunter.io/ios/app/shockwave-therapy/id479660920)

This app offers detailed treatment instructions for 10 common conditions using Extracorporeal Shockwave Therapy (ESWT). It includes energy data, contraindications, and allows users to log treatment notes and energy levels for specific conditions.

**Highlights:** Treatment instructions for 10 conditions, Energy data logging, Contraindication information, 3D body view, Patient education tool, Treatment notes

**Features:** macOS Compatibility

**In-app purchases:** none


### Snellen test

[App page](https://appshunter.io/ios/app/snellen-test/id1514134289)

This app uses augmented reality to display a Snellen eye chart for visual acuity testing. It allows users to adjust the chart's size and position from a distance, simulating a professional eye exam. Ideal for quick vision checks at home.

**Highlights:** Augmented reality Snellen chart, Adjustable chart size and position, Remote control via device camera, Distance simulation for testing, Customizable display options

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Shockwave Therapy free?

Shockwave Therapy costs $4.99, with no in-app purchases.

### Is Snellen test free?

Snellen test costs $0.99, with no in-app purchases.

### Do Shockwave Therapy or Snellen test have ads?

Neither Shockwave Therapy nor Snellen test shows ads.

### Which is updated more often, Shockwave Therapy or Snellen test?

Shockwave Therapy ships an update every 4 months, and Snellen test every 4 months. Most recently, Shockwave Therapy was updated on June 5, 2026 and Snellen test on September 9, 2026.

---

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