# PrevANS vs Vital Online

The clearest difference is update cadence: Vital Online at every 2 months against PrevANS's every 4 months. PrevANS's advantage is iOS requirement (10.3 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PrevANS ships an update every 4 months, Vital Online every 2 months. The most recent releases landed on October 4, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | PrevANS | Vital Online |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Size | 13 MB | 95 MB |
| Requires iOS | **10.3** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [INSATI INNOVATION S.L](https://appshunter.io/developer/1335978292) | [Hardwired - Digital Solutions Lda](https://appshunter.io/developer/1544147533) |

## What reviewers say

### PrevANS

[App page](https://appshunter.io/ios/app/prevans/id6444832855)

**In-app purchases:** none


### Vital Online

[App page](https://appshunter.io/ios/app/vital-online/id6740541802)

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

**In-app purchases:** none


## Frequently asked questions

### Is PrevANS free?

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

### Is Vital Online free?

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

### Do PrevANS or Vital Online have ads?

Neither PrevANS nor Vital Online shows ads.

### Which is updated more often, PrevANS or Vital Online?

PrevANS ships an update every 4 months, and Vital Online every 2 months. Most recently, PrevANS was updated on October 4, 2026 and Vital Online on October 28, 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.*