# Universal.one vs Volkano Fit

The clearest difference is ads: Universal.one at none against Volkano Fit's shown. Universal.one also leads on update cadence (every 3 weeks vs every 5 months). Volkano Fit's advantage is iOS requirement (13 vs 16.6). On price, 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.

Universal.one ships an update every 3 weeks, Volkano Fit every 5 months. The most recent releases landed on October 27, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Universal.one | Volkano Fit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/volkano-fit/id6450742924/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 32.7% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Monetization | — | Ad-supported |
| Size | 146 MB | 339 MB |
| Requires iOS | 16.6 | **13** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Universal.one, Inc](https://appshunter.io/developer/1603109674) | [SMD Technologies Pty LTD](https://appshunter.io/developer/1455444362) |

## What reviewers say

### Universal.one

[App page](https://appshunter.io/ios/app/universalone/id1603109672)

**Features:** Apple Wallet

**In-app purchases:** none


### Volkano Fit

[App page](https://appshunter.io/ios/app/volkano-fit/id6450742924)

This app syncs your smartwatch data, including steps, heart rate, and sleep, with an intuitive interface. It also pushes phone notifications to your watch and allows for watch configuration like alarms and weather updates.

**Highlights:** Syncs steps, calories, mileage, heart rate, sleep, and exercise records, Displays data intuitively with a newly designed UI, Pushes incoming calls and SMS to the watch, Configures watch settings: sedentary alerts, alarms, schedules, backlight, Syncs weather and AGPS files for watch location assistance, Integrates with iPhone Health for real-time data synchronization

**In-app purchases:** none


## Frequently asked questions

### Is Universal.one free?

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

### Is Volkano Fit free?

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

### Do Universal.one or Volkano Fit have ads?

Volkano Fit shows ads; Universal.one does not.

### Which is updated more often, Universal.one or Volkano Fit?

Universal.one ships an update every 3 weeks, and Volkano Fit every 5 months. Most recently, Universal.one was updated on October 27, 2026 and Volkano Fit on November 3, 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.*