# QiMenChart vs Time Passage

The clearest difference is price: Time Passage at Free against QiMenChart's $6.99. QiMenChart's advantage is iOS requirement (15.6 vs 17.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Time Passage is free to download; QiMenChart costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

QiMenChart ships an update every 6 months, Time Passage every 10 months. The most recent releases landed on September 21, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | QiMenChart | Time Passage |
| --- | --- | --- |
| Price | $6.99 | **Free** |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/time-passage/id6479194014/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 10 months |
| Monetization | Paid | **Free** |
| Size | 6 MB | 2 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [LAY KHIM TAN](https://appshunter.io/developer/738497892) | [楚江 王](https://appshunter.io/developer/1714265259) |

## What reviewers say

### QiMenChart

[App page](https://appshunter.io/ios/app/qimenchart/id1028901400)

This app generates historical charts for years, months, days, and hours using traditional Chinese calendrical methods. It allows users to orient the chart with a compass based on their position. The application focuses solely on chart plotting without providing any analysis or user settings.

**Highlights:** Plot Year, Month, Day, Hour Charts, Chai Bu and Zhi Run Methods, Year Range 1800-9999, Compass Orientation, Chart Plotting Only

**In-app purchases:** none


### Time Passage

[App page](https://appshunter.io/ios/app/time-passage/id6479194014)

Calculate the duration of time elapsed since a specific date. Input a birthday or any past date to see how much time has passed in years, months, days, and even seconds.

**Highlights:** Calculate time elapsed, Input past dates, View duration in years, months, days, View duration in seconds, Birthday calculation

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is QiMenChart free?

QiMenChart costs $6.99, with no in-app purchases.

### Is Time Passage free?

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

### Do QiMenChart or Time Passage have ads?

Neither QiMenChart nor Time Passage shows ads.

### Which is updated more often, QiMenChart or Time Passage?

QiMenChart ships an update every 6 months, and Time Passage every 10 months. Most recently, QiMenChart was updated on September 21, 2026 and Time Passage on September 20, 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.*