# Calculate_BMI vs VitaSign

The clearest difference is ads: VitaSign at none against Calculate_BMI's shown. VitaSign also leads on update cadence (every 3 days vs every 12 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Calculate_BMI ships an update every 12 months, VitaSign every 3 days. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Calculate_BMI | VitaSign |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 12 months | **Every 3 days** |
| Size | 27 MB | 103 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [CodeLabs Private Limited](https://appshunter.io/developer/1509877142) | [Ahmed Ameen](https://appshunter.io/developer/1879291935) |

## What reviewers say

### Calculate_BMI

[App page](https://appshunter.io/ios/app/calculate-bmi/id1559869837)

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

**In-app purchases:** none


### VitaSign

[App page](https://appshunter.io/ios/app/vitasign/id6760668385)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calculate_BMI free?

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

### Is VitaSign free?

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

### Do Calculate_BMI or VitaSign have ads?

Calculate_BMI shows ads; VitaSign does not.

### Which is updated more often, Calculate_BMI or VitaSign?

Calculate_BMI ships an update every 12 months, and VitaSign every 3 days. Most recently, Calculate_BMI was updated on October 30, 2026 and VitaSign on October 24, 2026.

---

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