GoSync vs NexRex
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GoSync
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GoSync is a free app, which is mainly to sync activity data like walking, running, cycling and swimming from your wearable devices to your fitness platform. Before you start to sync data, you need to connect your wearable device account with your fitness platform account. While creating the connection, we will need your permission to access your wearable device and fitness platform account. Without your permission, we won’t proceed the data sync operation. Once successfully connected, GoSync works automatically. When you finish an activity like walking, running, cycling or swimming with your wearable devices, GoSync will update the received data to your fitness platform account.
NexRex
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NexRex is a comprehensive B2B2C marathon training platform with AI-powered coaching, analytics, and social features for runners. Our platform helps runners of all levels achieve their goals through: - Personalized AI-powered training plans - Real-time performance analytics - Social community features - Integration with Garmin and Strava - Race planning and tracking Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://nexrex.ai/privacy/
Screenshots
Verdict
The clearest difference is update cadence: NexRex at every 3 days against GoSync's every 3 months. NexRex also leads on iOS requirement (14.0 vs 16). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
GoSync ships an update every 3 months, NexRex every 3 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.
| Parameter | GoSync | NexRex |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Requires iOS | 16 | 14.0 — better |
| Further details — not scored | ||
| Size | 22 MB | 234 MB |
| Age rating | 4+ | 12+ |
| Developer | DongGuan Yusheng Tech. Co., Ltd. | NexRex |
In-app purchases
GoSync
No in-app purchases
NexRex
No in-app purchases
