# Bars vs LifeOS

The clearest difference is in-app purchases: Bars at none against LifeOS's 2. LifeOS's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 18.6). On price, update cadence and ads there is nothing between them.

Both are free to download. LifeOS sells 2 in-app purchases, starting at $19.99 per month. Bars asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 28, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Bars | LifeOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lifeos-longevity-coach/id6762427427/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | — | Freemium |
| Size | 4 MB | 25 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [HYPE4MOBILE MALEWICZ I WSPOLNICY SPOŁKA JAWNA](https://appshunter.io/developer/501938616) | [RAYA AMEHA MERESA](https://appshunter.io/developer/1894079667) |

## What reviewers say

### Bars

[App page](https://appshunter.io/ios/app/bars-fasting-tracker/id6761415622)

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

**In-app purchases:** none


### LifeOS

[App page](https://appshunter.io/ios/app/lifeos-longevity-coach/id6762427427)

This AI-powered health coach uses your wearable data to provide personalized daily guidance on nutrition, exercise, and habits. It offers features like meal analysis, habit simulation, and a vitality score to help you improve your healthspan.

**Highlights:** AI Longevity Coach, Personalized daily guidance, NutriScan meal analysis, What-If Simulator for habits, Vitality Score tracking, Twin History for trends

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LifeOS Premium Monthly | $19.99 | per month |
| LifeOS Premium | $149.99 | per year |


## Frequently asked questions

### Is Bars free?

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

### Is LifeOS free?

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

### Do Bars or LifeOS have ads?

Neither Bars nor LifeOS shows ads.

### Which is updated more often, Bars or LifeOS?

Bars ships an update every 2 months, and LifeOS every 2 months. Most recently, Bars was updated on October 28, 2026 and LifeOS on October 6, 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.*