HaiwellLink vs iOSComtradeViewer
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
HaiwellLink
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HaiwellLink is an industrial equipment of cloud services, through the Haiwell cloud, can remote connection and control haiwell HMI, PLC, SCADA. can realize the alarm information , notice also can bind to the conduct of audit and access control.
iOSComtradeViewer
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The iOSComtradeViewer is a professional analysis tool for viewing and evaluating COMTRADE files (disturbance records) on iPhone and iPad. The app allows users to import COMTRADE files and visualize recorded data for detailed fault and event analysis. In the waveform view, all analog and binary signals are displayed over time, enabling precise inspection of Analog values and status signals. For advanced analysis, users can switch to a vector view, where phasors are displayed along the time axis, allowing detailed examination of vector behavior during disturbances and transient events. The iOSComtradeViewer is optimized for mobile use, providing fast access to disturbance records directly in the field or during commissioning and service work. Compatible with iOS and iPadOS 17.8 and later.
Screenshots
Verdict
The clearest difference is price: HaiwellLink at Free against iOSComtradeViewer's $0.99. HaiwellLink also leads on iOS requirement (13.0 vs 17.6). On update cadence, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
HaiwellLink is free to download; iOSComtradeViewer costs $0.99 up front. 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 October 12, 2026 and October 11, 2026 respectively.
| Parameter | HaiwellLink | iOSComtradeViewer |
|---|---|---|
| Price | Free β better | $0.99 |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod β better | iPhone, iPad |
| Requires iOS | 13.0 β better | 17.6 |
| Further details β not scored | ||
| Size | 68 MB | 4 MB |
| Age rating | 17+ | 4+ |
| Developer | Haiwell Technology Co.,Ltd. | Dennis Dchicha |
In-app purchases
HaiwellLink
No in-app purchases
iOSComtradeViewer
No in-app purchases
Questions
Is HaiwellLink free?
Is iOSComtradeViewer free?
Do HaiwellLink or iOSComtradeViewer have ads?
Which is updated more often, HaiwellLink or iOSComtradeViewer?
Other comparisons
