# EVF 2026 vs IV solution calculator

The clearest difference is price: EVF 2026 at Free against IV solution calculator's $1.99. IV solution calculator's advantage is update cadence (every 6 months vs every 13 months) and device support. On in-app purchases there is nothing between them.

EVF 2026 is free to download; IV solution calculator costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

EVF 2026 ships an update every 13 months, IV solution calculator every 6 months. The most recent releases landed on September 11, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | EVF 2026 | IV solution calculator |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Every 13 months | **Every 6 months** |
| Size | 34 MB | 9 MB |
| Requires iOS | 15.1 | **11.0** |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [European Venous Forum Ltd](https://appshunter.io/developer/1570915349) | [Rimon](https://appshunter.io/developer/590338647) |

## What reviewers say

### EVF 2026

[App page](https://appshunter.io/ios/app/evf-2026/id6450065268)

**In-app purchases:** none


### IV solution calculator

[App page](https://appshunter.io/ios/app/iv-solution-calculator/id6471848937)

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

**In-app purchases:** none


## Frequently asked questions

### Is EVF 2026 free?

EVF 2026 is free to download, with no in-app purchases.

### Is IV solution calculator free?

IV solution calculator costs $1.99, with no in-app purchases.

### Which is updated more often, EVF 2026 or IV solution calculator?

EVF 2026 ships an update every 13 months, and IV solution calculator every 6 months. Most recently, EVF 2026 was updated on September 11, 2026 and IV solution calculator on September 15, 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.*