# 工程保修系統 vs TonnetView

The clearest difference is iOS requirement: TonnetView at 9.0 against 工程保修系統's 11.0. On price, review sentiment, update cadence and ads there is nothing between them.

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

工程保修系統 ships an update every 4 months, TonnetView every 2 months. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | 工程保修系統 | TonnetView |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 69 MB | 74 MB |
| Requires iOS | 11.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [President Technology Corp.](https://appshunter.io/developer/555934695) | [Tonnet](https://appshunter.io/developer/906557717) |

## What reviewers say

### 工程保修系統

[App page](https://appshunter.io/ios/app/id1134416536)

**Features:** macOS Compatibility

**In-app purchases:** none


### TonnetView

[App page](https://appshunter.io/ios/app/tonnetview/id1354360503)

This application allows users to connect to and manage various video surveillance devices, including DVRs and NVRs. It provides essential features for monitoring live video feeds and reviewing recorded footage.

**Highlights:** Device management, Live video monitoring, Video playback, P2P connectivity, Supports DVR/NVR devices

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 工程保修系統 free?

工程保修系統 is free to download, with no in-app purchases.

### Is TonnetView free?

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

### Do 工程保修系統 or TonnetView have ads?

Neither 工程保修系統 nor TonnetView shows ads.

### Which is updated more often, 工程保修系統 or TonnetView?

工程保修系統 ships an update every 4 months, and TonnetView every 2 months. Most recently, 工程保修系統 was updated on October 24, 2026 and TonnetView on October 19, 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.*