Comparison

Virtual Observer vs ModuleDesignTools

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

Head to head

About

Virtual Observer

Features

Read full description

Our unique solar or boat powered camera mounts onto a fishing vessels of all shapes and sizes and works with a simple smart-phone app.

About

ModuleDesignTools

Features

Read full description

The design tool is used in conjunction with the template printer, through Bluetooth connection, label templates are designed on the tool and then downloaded to the printer.

Screenshots

Virtual Observer4 screens

ModuleDesignTools4 screens

Verdict

The call

Virtual Observer and ModuleDesignTools 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.

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

Virtual Observer ships an update every 2 weeks, ModuleDesignTools monthly. The most recent releases landed on October 5, 2026 and October 4, 2026 respectively.

ScorecardNo meaningful differences

Virtual Observer versus ModuleDesignTools: the parameters behind the verdict, then further details
Parameter	Virtual Observer	ModuleDesignTools
Price	Free	Free
Update frequency	Every 2 weeks — better	Monthly
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	13.4	12.0 — better
Further details — not scored
Size	70 MB	102 MB
Age rating	4+	4+
Developer	Shellcatch Inc	深圳炜煌打印机有限公司

In-app purchases

None

Virtual Observer

No in-app purchases

None

ModuleDesignTools

No in-app purchases

Questions

Is Virtual Observer free?

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

Is ModuleDesignTools free?

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

Do Virtual Observer or ModuleDesignTools have ads?

Neither Virtual Observer nor ModuleDesignTools shows ads.

Which is updated more often, Virtual Observer or ModuleDesignTools?

Virtual Observer ships an update every 2 weeks, and ModuleDesignTools monthly. Most recently, Virtual Observer was updated on October 5, 2026 and ModuleDesignTools on October 4, 2026.