# Vivian Lab vs Ember

The clearest difference is device support: Ember at 3 against Vivian Lab's 1. Vivian Lab's advantage is iOS requirement (16.0 vs 26.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Vivian Lab sells 1 in-app purchase, starting at $4.00 per month and Ember sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Vivian Lab | Ember |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Size | 55 MB | 4 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [VivianLabs](https://appshunter.io/developer/1834626307) | [AppConsult](https://appshunter.io/developer/1818576565) |

## What reviewers say

### Vivian Lab

[App page](https://appshunter.io/ios/app/vivian-lab/id6758438180)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vivian Monthly Plan | $4.00 | per month |


### Ember

[App page](https://appshunter.io/ios/app/ember-menopause-tracker/id6760240954)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ember Premium Monthly | $1.99 | per month |
| Ember Premium Annual | $9.99 | per year |
| Ember Premium Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is Vivian Lab free?

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

### Is Ember free?

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

### Do Vivian Lab or Ember have ads?

Neither Vivian Lab nor Ember shows ads.

### Which is updated more often, Vivian Lab or Ember?

Vivian Lab ships an update weekly, and Ember weekly. Most recently, Vivian Lab was updated on October 25, 2026 and Ember 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.*