# Life Cycle vs Bio Optimizer

The clearest difference is update cadence: Bio Optimizer at every 4 days against Life Cycle's every 4 weeks. Life Cycle's advantage is iOS requirement (15.6 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Life Cycle sells 1 in-app purchase, starting at $29.99 per year and Bio Optimizer sells 2 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

Life Cycle ships an update every 4 weeks, Bio Optimizer every 4 days. The most recent releases landed on October 31, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Life Cycle | Bio Optimizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (39K ratings)](https://appshunter.io/ios/app/life-cycle-track-your-time/id1064955217/reviews)** | — |
| Number of ratings | **39K** | — |
| Positive reviews | 62.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 26 MB | 76 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Sleep Cycle AB](https://appshunter.io/developer/320606220) | [YOU SUNG CHYUNG](https://appshunter.io/developer/1881798464) |

## What reviewers say

### Life Cycle

[App page](https://appshunter.io/ios/app/life-cycle-track-your-time/id1064955217)

This app automatically tracks your daily activities, places visited, and social interactions. It provides weekly journals with personalized insights and historical data views to help you understand how you spend your time and make informed decisions about your habits.

**Highlights:** Automatic background tracking, Low battery consumption (<1%), Weekly journal with insights, Day to year data visualization, Apple Health integration, Friend activity tracking, Detailed graphs and trend comparison

**Features:** Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Features with Online Backup | $29.99 | per year |

**What reviewers like**

- 💻 Helpful for tracking work hours and commute times
- 📊 Provides useful insights into daily/weekly/monthly activities
- 🔍 Interesting to see how time is spent
- 🤖 Automatic tracking without much manual input
- 🕰️ Accurate location and time tracking

**What reviewers complain about**

- 🔍 Inaccurate location tracking, especially for nearby places
- 🔄 Difficulty manually editing or correcting tracked activities
- 🔋 Battery drain issues reported
- 🕰️ Inconsistent or missing time tracking for some activities
- 🛠️ Lack of app updates and support from developers

**Reported bugs**

- Location services not working after iOS updates
- Syncing issues between Life Cycle and Sleep Cycle apps
- Incorrect activity tracking and time logging
- Inability to delete or edit preset activity categories

**Requested features**

- Ability to customize activity categories and icons
- Integration with other health/productivity apps
- Chronological timeline view of daily activities
- Export data to spreadsheet or other formats
- Improved sleep tracking integration with Sleep Cycle app


### Bio Optimizer

[App page](https://appshunter.io/ios/app/bio-optimizer/id6759941870)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $19.99 | per month |
| Annual Premium | $119.00 | per year |


## Frequently asked questions

### Is Life Cycle free?

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

### Is Bio Optimizer free?

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

### Do Life Cycle or Bio Optimizer have ads?

Neither Life Cycle nor Bio Optimizer shows ads.

### Which is updated more often, Life Cycle or Bio Optimizer?

Life Cycle ships an update every 4 weeks, and Bio Optimizer every 4 days. Most recently, Life Cycle was updated on October 31, 2026 and Bio Optimizer 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.*