# Countdown to Zero vs 余生

The clearest difference is rating: Countdown to Zero at 4.7 against 余生's 4.0. Countdown to Zero also leads on update cadence (every 3 weeks vs every 20 months) and ratings volume (50 vs 3). 余生's advantage is iOS requirement (11.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Countdown to Zero holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: Countdown to Zero has 50 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 92% of Countdown to Zero's written reviews are positive against 80% of 余生's.

Countdown to Zero ships an update every 3 weeks, 余生 every 20 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Countdown to Zero | 余生 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (50 ratings)](https://appshunter.io/ios/app/countdown-to-zero-life-count/id1024341891/reviews)** | [4.0 (3 ratings)](https://appshunter.io/ios/app/id1141818872/reviews) |
| Number of ratings | **50** | 3 |
| Positive reviews | **91.9% of reviews** | 80.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 20 months |
| Monetization | Free | Free |
| Size | 1 MB | 15 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Zhenlai Xia](https://appshunter.io/developer/1435731218) | [俊安 陈](https://appshunter.io/developer/1084269016) |

## What reviewers say

### Countdown to Zero

[App page](https://appshunter.io/ios/app/countdown-to-zero-life-count/id1024341891)

This app helps you appreciate life by counting down the estimated number of days, weeks, and months remaining until significant life milestones. It encourages a positive outlook by highlighting the finiteness of experiences and supports custom event tracking.

**Highlights:** Counts down days, weeks, and months, Tracks remaining life events, Supports custom event tracking, Promotes positive life appreciation, Simple and intuitive interface

**Features:** macOS Compatibility

**In-app purchases:** none


### 余生

[App page](https://appshunter.io/ios/app/id1141818872)

Track your remaining lifespan, count down to important dates, and visualize the time you have with loved ones. This app helps you appreciate every moment and understand the preciousness of time.

**Highlights:** My life value tracker, Countdown to dates, Life train visualization, Estimate remaining lifespan, Track time with loved ones

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Countdown to Zero free?

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

### Is 余生 free?

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

### Which has better reviews, Countdown to Zero or 余生?

Countdown to Zero is rated higher. Countdown to Zero averages 4.7 out of 5 from 50 ratings, while 余生 averages 4.0 from 3 ratings.

### Do Countdown to Zero or 余生 have ads?

Neither Countdown to Zero nor 余生 shows ads.

### Which is updated more often, Countdown to Zero or 余生?

Countdown to Zero ships an update every 3 weeks, and 余生 every 20 months. Most recently, Countdown to Zero was updated on November 1, 2026 and 余生 on November 2, 2026.

---

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