# VoltaRocks vs Time Zone Buddy

The clearest difference is in-app purchases: VoltaRocks at none against Time Zone Buddy's 3. VoltaRocks also leads on iOS requirement (13.0 vs 26.2). Time Zone Buddy's advantage is update cadence (every 10 days vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Time Zone Buddy sells 3 in-app purchases, starting at $1.99 per month. VoltaRocks asks for nothing beyond the download.

VoltaRocks ships an update every 3 weeks, Time Zone Buddy every 10 days. The most recent releases landed on October 1, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | VoltaRocks | Time Zone Buddy |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | — | Free with in-app purchases |
| Size | 63 MB | 15 MB |
| Requires iOS | **13.0** | 26.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [L.O.L. Consultants Pty Ltd](https://appshunter.io/developer/1690515653) | [Scott Breen](https://appshunter.io/developer/1882327445) |

## What reviewers say

### VoltaRocks

[App page](https://appshunter.io/ios/app/voltarocks/id6449757796)

**Features:** macOS Compatibility

**In-app purchases:** none


### Time Zone Buddy

[App page](https://appshunter.io/ios/app/time-zone-buddy/id6760805989)

Easily track multiple world times and plan meetings across different zones. Features a visually appealing aurora-inspired design and intelligent zone cards with daylight status and holiday alerts. Offers a time-shift slider for future planning and a meeting hub for real-time collaboration insights.

**Highlights:** Aurora-inspired daylight-aware design, Time-shift slider for future planning, Meeting Hub with live dashboard, Intelligent zone cards with alerts, Drag-to-reorder functionality, Widgets for Home and Lock Screen, DST and public holiday notifications

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Monthly | $1.99 | per month |
| Plus Annual | $9.99 | per year |
| Time Zone Buddy Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is VoltaRocks free?

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

### Is Time Zone Buddy free?

Time Zone Buddy is free to download, with in-app purchases available.

### Do VoltaRocks or Time Zone Buddy have ads?

Neither VoltaRocks nor Time Zone Buddy shows ads.

### Which is updated more often, VoltaRocks or Time Zone Buddy?

VoltaRocks ships an update every 3 weeks, and Time Zone Buddy every 10 days. Most recently, VoltaRocks was updated on October 1, 2026 and Time Zone Buddy on October 11, 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.*