# Days Alive vs Death Day Sim

The clearest difference is rating: Death Day Sim at 5.0 against Days Alive's 2.6. Death Day Sim also leads on update cadence (daily vs every 9 months). Days Alive's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, 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.

Death Day Sim holds the better App Store score, 5.0 against 2.6. That said, the two scores are not equally well evidenced: Days Alive has 8 ratings behind it against 1, so its average is the more settled of the two.

Days Alive ships an update every 9 months, Death Day Sim daily. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Days Alive | Death Day Sim |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (8 ratings)](https://appshunter.io/ios/app/days-alive/id407428692/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/death-day-sim/id6667097727/reviews)** |
| Number of ratings | **8** | 1 |
| Positive reviews | 58.3% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Daily** |
| Monetization | **Free** | Ad-supported |
| Size | 4 MB | 25 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Steve Barnes](https://appshunter.io/developer/384364891) | [Shawn Revels](https://appshunter.io/developer/1429958152) |

## What reviewers say

### Days Alive

[App page](https://appshunter.io/ios/app/days-alive/id407428692)

This app helps you track your life in days, from your birthdate to significant milestones like reaching your first hundred or ten thousand days. It can also remind you of these milestones and display the ages of up to 30 people in a colorful list.

**Highlights:** Track life in days, Milestone notifications, Calculate future day milestones, Display multiple ages, Colorful list view

**In-app purchases:** none


### Death Day Sim

[App page](https://appshunter.io/ios/app/death-day-sim/id6667097727)

This app estimates your simulated death date based on lifestyle and health data, providing a real-time countdown. It uses actuarial data and risk factors to personalize your date, with all calculations stored locally on your device.

**Highlights:** Simulated death date calculation, Live countdown clock, Lifestyle and health factor adjustments, Local data storage, No account required, Recalculate death date

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

**In-app purchases:** none


## Frequently asked questions

### Is Days Alive free?

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

### Is Death Day Sim free?

Death Day Sim is free to download, with no in-app purchases.

### Which has better reviews, Days Alive or Death Day Sim?

Death Day Sim is rated higher. Days Alive averages 2.6 out of 5 from 8 ratings, while Death Day Sim averages 5.0 from 1 ratings.

### Do Days Alive or Death Day Sim have ads?

Death Day Sim shows ads; Days Alive does not.

### Which is updated more often, Days Alive or Death Day Sim?

Days Alive ships an update every 9 months, and Death Day Sim daily. Most recently, Days Alive was updated on October 23, 2026 and Death Day Sim on October 24, 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.*