# 时格 倒数日 vs 時之重 Chronos

The clearest difference is in-app purchases: 時之重 Chronos at none against 时格 倒数日's 1. 時之重 Chronos also leads on iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. 时格 倒数日 sells 1 one-off in-app purchase. 時之重 Chronos asks for nothing beyond the download.

## The numbers

| Metric | 时格 倒数日 | 時之重 Chronos |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6780326559/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 47 MB | 32 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | **iPhone, Mac, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [余夕(上海)网络科技有限公司](https://appshunter.io/developer/1649450554) | [jyun ming chen](https://appshunter.io/developer/1826275130) |

## What reviewers say

### 时格 倒数日

[App page](https://appshunter.io/ios/app/id6780326559)

Visualize your time with a unique grid system that fills in as days pass. Track countdowns, anniversaries, and life progress with customizable widgets and Apple Watch support. Designed for Chinese users with lunar calendar support.

**Highlights:** Fillable time grid visualization, Countdown and anniversary tracking, Lock screen and home screen widgets, Apple Watch complications, Lunar calendar support for recurring events, Customizable display units (days, weeks, months, years), Data privacy with local storage and iCloud sync

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 时格 完整版 | $3.99 | one-time |


### 時之重 Chronos

[App page](https://appshunter.io/ios/app/chronos/id6790129910)

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

**In-app purchases:** none


## Frequently asked questions

### Is 时格 倒数日 free?

时格 倒数日 is free to download, with in-app purchases available.

### Is 時之重 Chronos free?

時之重 Chronos is free to download, with no in-app purchases.

### Do 时格 倒数日 or 時之重 Chronos have ads?

Neither 时格 倒数日 nor 時之重 Chronos shows ads.

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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.*