# Elsypet vs Refractive Foundations

The clearest difference is in-app purchases: Refractive Foundations at none against Elsypet's 3. Elsypet's advantage is iOS requirement (12.4 vs 16.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Elsypet sells 3 in-app purchases, starting at $4.99 per month. Refractive Foundations asks for nothing beyond the download.

Both ship on a similar rhythm, roughly daily. The most recent releases landed on September 9, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Elsypet | Refractive Foundations |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Daily | Daily |
| Size | 32 MB | 19 MB |
| Requires iOS | **12.4** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 12+ |
| Developer | [MEDILIS SYSTEMS LTD](https://appshunter.io/developer/1763644541) | [Gurpal Virdi](https://appshunter.io/developer/1626671897) |

## What reviewers say

### Elsypet

[App page](https://appshunter.io/ios/app/elsypet/id6642709239)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Patient Plan | $4.99 | per month |
| Provider Plan | $17.99 | per month |
| Linked Patient Plan | $2.99 | one-time |


### Refractive Foundations

[App page](https://appshunter.io/ios/app/refractive-foundations/id6749237006)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Elsypet free?

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

### Is Refractive Foundations free?

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

### Do Elsypet or Refractive Foundations have ads?

Neither Elsypet nor Refractive Foundations shows ads.

### Which is updated more often, Elsypet or Refractive Foundations?

Elsypet ships an update daily, and Refractive Foundations daily. Most recently, Elsypet was updated on September 9, 2026 and Refractive Foundations on September 8, 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.*