# SYNC GO vs City Zero Gym

The clearest difference is update cadence: SYNC GO at every 4 months against City Zero Gym's every 18 months. 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.

SYNC GO ships an update every 4 months, City Zero Gym every 18 months. The most recent releases landed on August 16, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | SYNC GO | City Zero Gym |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (39 ratings)](https://appshunter.io/ios/app/sync-go/id1404696486/reviews)** | — |
| Number of ratings | **39** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 18 months |
| Monetization | Free | — |
| Size | 51 MB | 32 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zumba® Fitness](https://appshunter.io/developer/628664480) | [City Zero LLC](https://appshunter.io/developer/1580453177) |

## What reviewers say

### SYNC GO

[App page](https://appshunter.io/ios/app/sync-go/id1404696486)

This app is an all-in-one tool for creating music playlists for fitness classes. It allows instructors to access monthly music and video content, trim songs, and make playlists available offline. It also provides access to teaching aids and syncs content from a previous platform.

**Highlights:** Music playlist creation, Trim songs to custom lengths, Offline playlist access, Access to monthly music/video content, Syncs with SYNC Now, Access to teaching aids

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

**In-app purchases:** none


### City Zero Gym

[App page](https://appshunter.io/ios/app/city-zero-gym/id6447638334)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SYNC GO free?

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

### Is City Zero Gym free?

City Zero Gym is free to download, with no in-app purchases.

### Do SYNC GO or City Zero Gym have ads?

Neither SYNC GO nor City Zero Gym shows ads.

### Which is updated more often, SYNC GO or City Zero Gym?

SYNC GO ships an update every 4 months, and City Zero Gym every 18 months. Most recently, SYNC GO was updated on August 16, 2026 and City Zero Gym on September 18, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*