Comparison

xynLOG vs SeamKing

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

xynLOG

Best monitoring for IoT 4.0

Colorant Formulas

About

xynLOG

Features

Read full description

xynLOG monitoring system that allows precise control of CNC/SPS/PLC/IoT machines, receiving status messages on user-defined machine signal events anytime, anywhere. xynLOG connects seamlessly to your existing infrastructure. Then our software collects data from the machines on a continuous basis, analyses and processes it to provide useful and accessible information for the users who have to make decisions. All the necessary information of the monitored equipment is integrated into the xynLOG mobile application, through which you can easily access the configuration, notifications, reports, current machine status, error messages, updates, and more.

About

SeamKing

Features

Read full description

Search By: Manufacturer, color name, or color number. Colorant Formula*: # of mg per colorant for a 100g batch.

Screenshots

xynLOG4 screens

SeamKing3 screens

Verdict

The call

The clearest difference is update cadence: xynLOG at every 6 weeks against SeamKing's every 4 months. SeamKing's advantage is iOS requirement (13.4 vs 15.0). 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

xynLOG ships an update every 6 weeks, SeamKing every 4 months. The most recent releases landed on October 18, 2026 and September 23, 2026 respectively.

Scorecard2 real differences · 4 level

xynLOG versus SeamKing: the parameters behind the verdict, then further details
Parameter	xynLOG	SeamKing
Price	Free	Free
Update frequency	Every 6 weeks — better	Every 4 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	15.0	13.4 — better
Further details — not scored
Size	26 MB	33 MB
Age rating	4+	4+
Developer	xyndata s.r.o.	Big Dog Adhesives LLC

In-app purchases

None

xynLOG

No in-app purchases

None

SeamKing

No in-app purchases

Questions

Is xynLOG free?

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

Is SeamKing free?

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

Do xynLOG or SeamKing have ads?

Neither xynLOG nor SeamKing shows ads.

Which is updated more often, xynLOG or SeamKing?

xynLOG ships an update every 6 weeks, and SeamKing every 4 months. Most recently, xynLOG was updated on October 18, 2026 and SeamKing on September 23, 2026.