# Tmzn vs OneAuto

The clearest difference is rating: OneAuto at 5.0 against Tmzn's 3.8. Tmzn's advantage is update cadence (every 3 days vs every 3 weeks). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

OneAuto holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 4 and 7 respectively.

Tmzn ships an update every 3 days, OneAuto every 3 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Tmzn | OneAuto |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (4 ratings)](https://appshunter.io/ios/app/tmzn-time-zone-converter/id1453239207/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/oneauto/id6467570905/reviews)** |
| Number of ratings | 4 | **7** |
| Positive reviews | 78.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | Free | Free |
| Size | 59 MB | 34 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Paul Noble](https://appshunter.io/developer/1440082066) | [Cognovix LLC](https://appshunter.io/developer/1708834239) |

## What reviewers say

### Tmzn

[App page](https://appshunter.io/ios/app/tmzn-time-zone-converter/id1453239207)

This app helps you easily manage and visualize time differences across the globe. Its intuitive interface allows you to see day and night cycles at a glance and schedule events that accommodate multiple time zones.

**Highlights:** Day-night world map visualization, Time shifting with swipe gestures, Calendar integration for event scheduling, Extensive city selection, Instant time updates

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

**In-app purchases:** none


### OneAuto

[App page](https://appshunter.io/ios/app/oneauto/id6467570905)

Access exclusive memberships, coupons, and discounts for local automotive repair shops and dealerships. Streamline your vehicle service experience with this innovative technology.

**Highlights:** Vehicle service technology, Local automotive repair shop access, Dealership discounts, Membership benefits, Exclusive coupons

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tmzn free?

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

### Is OneAuto free?

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

### Which has better reviews, Tmzn or OneAuto?

OneAuto is rated higher. Tmzn averages 3.8 out of 5 from 4 ratings, while OneAuto averages 5.0 from 7 ratings.

### Do Tmzn or OneAuto have ads?

Neither Tmzn nor OneAuto shows ads.

### Which is updated more often, Tmzn or OneAuto?

Tmzn ships an update every 3 days, and OneAuto every 3 weeks. Most recently, Tmzn was updated on October 25, 2026 and OneAuto on October 24, 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.*