# SINNAPP vs ZYC Assist

SINNAPP and ZYC Assist are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on May 16, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | SINNAPP | ZYC Assist |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/zyc-assist/id6504793804/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Monetization | — | Free |
| Size | 11 MB | 41 MB |
| Requires iOS | 12.4 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Sinnup GmbH](https://appshunter.io/developer/1633444599) | [ZYC Energy co.,ltd](https://appshunter.io/developer/1753872884) |

## What reviewers say

### SINNAPP

[App page](https://appshunter.io/ios/app/sinnapp/id1633444597)

**Features:** macOS Compatibility

**In-app purchases:** none


### ZYC Assist

[App page](https://appshunter.io/ios/app/zyc-assist/id6504793804)

This utility app allows for real-time monitoring and system firmware updates for specific products. It serves as a direct communication channel for users to receive the latest information from the developer.

**Highlights:** Real-time product monitoring, System firmware updates, Direct user communication, Latest information updates, Product management

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SINNAPP free?

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

### Is ZYC Assist free?

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

### Do SINNAPP or ZYC Assist have ads?

Neither SINNAPP nor ZYC Assist shows ads.

### Which is updated more often, SINNAPP or ZYC Assist?

SINNAPP ships an update every 6 weeks, and ZYC Assist every 6 weeks. Most recently, SINNAPP was updated on May 16, 2026 and ZYC Assist on June 1, 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.*