# Time Zone Calculator vs CleanWave Now

The clearest difference is update cadence: Time Zone Calculator at monthly against CleanWave Now's every 3 months. Time Zone Calculator also leads on iOS requirement (12.0 vs 14.0). On price, ads, 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.

Time Zone Calculator ships an update monthly, CleanWave Now every 3 months. The most recent releases landed on June 11, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | Time Zone Calculator | CleanWave Now |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.2 (6 ratings)](https://appshunter.io/ios/app/time-zone-calculator/id1001840533/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free | — |
| Size | 8 MB | 41 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Donald Wilson](https://appshunter.io/developer/1001831202) | [Lloyd Bucknor](https://appshunter.io/developer/1743728599) |

## What reviewers say

### Time Zone Calculator

[App page](https://appshunter.io/ios/app/time-zone-calculator/id1001840533)

Easily view and compare times across multiple global time zones. Essential for scheduling meetings and calls across different regions. Adjust one time, and all others update automatically.

**Highlights:** Multiple time zone display, Automatic time synchronization, Local time display, Customizable time zone selection, Quick 'Now' button

**Features:** macOS Compatibility

**In-app purchases:** none


### CleanWave Now

[App page](https://appshunter.io/ios/app/cleanwave-now/id6499514022)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Time Zone Calculator free?

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

### Is CleanWave Now free?

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

### Do Time Zone Calculator or CleanWave Now have ads?

Neither Time Zone Calculator nor CleanWave Now shows ads.

### Which is updated more often, Time Zone Calculator or CleanWave Now?

Time Zone Calculator ships an update monthly, and CleanWave Now every 3 months. Most recently, Time Zone Calculator was updated on June 11, 2026 and CleanWave Now 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.*