# Floaters Simulation vs Optical Calculator for ECPs

The clearest difference is review sentiment: Floaters Simulation at 100% against Optical Calculator for ECPs's 0%. Floaters Simulation also leads on rating (5.0 vs 4.5) and in-app purchases (none vs 2). Optical Calculator for ECPs's advantage is ratings volume (27 vs 2). On price, ads and device support there is nothing between them.

Both are free to download. Optical Calculator for ECPs sells 2 in-app purchases, starting at $4.99 per month. Floaters Simulation asks for nothing beyond the download.

Floaters Simulation holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Optical Calculator for ECPs has 27 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of Floaters Simulation's written reviews are positive against 0% of Optical Calculator for ECPs's.

Floaters Simulation ships an update fortnightly, Optical Calculator for ECPs every 6 weeks. The most recent releases landed on October 20, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Floaters Simulation | Optical Calculator for ECPs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/floaters-simulation/id1100583078/reviews)** | [4.5 (27 ratings)](https://appshunter.io/ios/app/optical-calculator-for-ecps/id1146297178/reviews) |
| Number of ratings | 2 | **27** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Monetization | **Free** | Freemium |
| Size | 11 MB | 11 MB |
| Requires iOS | **9.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ways AS](https://appshunter.io/developer/1090786667) | [Lens Shapers](https://appshunter.io/developer/1279463389) |

## What reviewers say

### Floaters Simulation

[App page](https://appshunter.io/ios/app/floaters-simulation/id1100583078)

This app allows users to visually demonstrate the experience of eye floaters to others. You can adjust settings to accurately represent your daily visual disturbances and record short clips to share.

**Highlights:** Simulate eye floater appearance, Adjust floater settings, Record video clips, Share experiences on social media, Inform others about eye floaters

**Features:** macOS Compatibility

**In-app purchases:** none


### Optical Calculator for ECPs

[App page](https://appshunter.io/ios/app/optical-calculator-for-ecps/id1146297178)

This medical app provides a suite of specialized optical calculation tools for eye care professionals. It offers features like lens thickness, vertex compensation, and prism compounding, with a focus on accuracy and ease of use. A subscription unlocks all current and future calculators.

**Highlights:** Stock Lens Cutout, Lens Thickness Calculation, Vertex Compensation, Rx Transpose, Prism Compounding, Contact Lens Rx, Tilt & Wrap Compensation

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Yearly | $49.99 | per year |


## Frequently asked questions

### Is Floaters Simulation free?

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

### Is Optical Calculator for ECPs free?

Optical Calculator for ECPs is free to download, with in-app purchases available.

### Which has better reviews, Floaters Simulation or Optical Calculator for ECPs?

Floaters Simulation is rated higher. Floaters Simulation averages 5.0 out of 5 from 2 ratings, while Optical Calculator for ECPs averages 4.5 from 27 ratings.

### Do Floaters Simulation or Optical Calculator for ECPs have ads?

Neither Floaters Simulation nor Optical Calculator for ECPs shows ads.

### Which is updated more often, Floaters Simulation or Optical Calculator for ECPs?

Floaters Simulation ships an update fortnightly, and Optical Calculator for ECPs every 6 weeks. Most recently, Floaters Simulation was updated on October 20, 2026 and Optical Calculator for ECPs on October 9, 2026.

---

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