# VOLT clock vs Zonetec

The clearest difference is update cadence: VOLT clock at every 3 months against Zonetec's every 10 months. VOLT clock also leads on iOS requirement (8.0 vs 12.0). 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.

VOLT clock ships an update every 3 months, Zonetec every 10 months. The most recent releases landed on October 15, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | VOLT clock | Zonetec |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 10 months |
| Size | 80 MB | 50 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Hussam Eid](https://appshunter.io/developer/1065323172) | [Aictec](https://appshunter.io/developer/1642321820) |

## What reviewers say

### VOLT clock

[App page](https://appshunter.io/ios/app/volt-clock/id1510514001)

**Features:** macOS Compatibility

**In-app purchases:** none


### Zonetec

[App page](https://appshunter.io/ios/app/zonetec/id6443975528)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is VOLT clock free?

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

### Is Zonetec free?

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

### Do VOLT clock or Zonetec have ads?

Neither VOLT clock nor Zonetec shows ads.

### Which is updated more often, VOLT clock or Zonetec?

VOLT clock ships an update every 3 months, and Zonetec every 10 months. Most recently, VOLT clock was updated on October 15, 2026 and Zonetec on October 10, 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.*