Comparison

Arch Layout Calculator vs Theiox

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

Head to head

Arch Layout Calculator

Simplifies building an arch

About

Arch Layout Calculator

Features

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Quick calculation to help layout an elliptical arch to be cut. Use when creating an arch over an entry way or as a decorative feature. An elliptical arch is both elegant and unique and makes a big impact on appearance. Simplifies the carpentry work and results can be shared by text or email.

About

Theiox

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The THEIOX app is designed to assist organizations and the general public in efficiently managing and enhancing their energy consumption. Offering real-time monitoring, analysis, and control of energy usage, and promoting sustainability. Its intended users include residential complexes ( This includes all the residents of the complexes which are general public), individuals, factories, and government entities.

Screenshots

Arch Layout Calculator3 screens

Theiox4 screens

Verdict

The call

The clearest difference is price: Theiox at Free against Arch Layout Calculator's $0.99. Theiox also leads on update cadence (every 3 weeks vs every 38 months) and iOS requirement (15.0 vs 18.0). On 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

Theiox is free to download; Arch Layout Calculator costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Arch Layout Calculator ships an update every 38 months, Theiox every 3 weeks. The most recent releases landed on October 8, 2026 and October 9, 2026 respectively.

Scorecard3 real differences · 3 level

Arch Layout Calculator versus Theiox: the parameters behind the verdict, then further details
Parameter	Arch Layout Calculator	Theiox
Price	$0.99	Free — better
Update frequency	Every 38 months	Every 3 weeks — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad	iPhone, iPod
Requires iOS	18.0	15.0 — better
Further details — not scored
Size	1 MB	57 MB
Age rating	4+	17+
Developer	H3Apps LLC	Elmeasure India Pvt Ltd

In-app purchases

None

Arch Layout Calculator

No in-app purchases

None

Theiox

No in-app purchases

Questions

Is Arch Layout Calculator free?

Arch Layout Calculator costs $0.99, with no in-app purchases.

Is Theiox free?

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

Do Arch Layout Calculator or Theiox have ads?

Neither Arch Layout Calculator nor Theiox shows ads.

Which is updated more often, Arch Layout Calculator or Theiox?

Arch Layout Calculator ships an update every 38 months, and Theiox every 3 weeks. Most recently, Arch Layout Calculator was updated on October 8, 2026 and Theiox on October 9, 2026.