# Time Passage vs WaveMuse

The clearest difference is in-app purchases: Time Passage at none against WaveMuse's 6. WaveMuse's advantage is update cadence (every 5 days vs every 10 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. WaveMuse sells 6 one-off in-app purchases. Time Passage asks for nothing beyond the download.

Time Passage ships an update every 10 months, WaveMuse every 5 days. The most recent releases landed on August 12, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | Time Passage | WaveMuse |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/time-passage/id6479194014/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 2 MB | 9 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [楚江 王](https://appshunter.io/developer/1714265259) | [士沛 王](https://appshunter.io/developer/1809780895) |

## What reviewers say

### 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


### WaveMuse

[App page](https://appshunter.io/ios/app/wavemuse/id6746930713)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10积分 | $0.99 | one-time |
| 60积分 | $0.99 | one-time |
| 120积分 | $1.99 | one-time |
| 180积分 | $2.99 | one-time |
| 480积分 | $6.99 | one-time |
| 980积分 | $14.99 | one-time |


## Frequently asked questions

### Is Time Passage free?

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

### Is WaveMuse free?

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

### Do Time Passage or WaveMuse have ads?

Neither Time Passage nor WaveMuse shows ads.

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

Time Passage ships an update every 10 months, and WaveMuse every 5 days. Most recently, Time Passage was updated on August 12, 2026 and WaveMuse on May 16, 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.*