Comparison

Lang Tools Wireless vs Theta

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

Head to head

About

Lang Tools Wireless

Features

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The “Lang Tools Wireless” transmits the data via Bluetooth 4.0. Currently, this App is able to use on Lang 13810.

About

Theta

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Theta-Meter standard e-meter app. Theta-Meter e-meter hardware can be connected to this app using Bluetooth LE 4.0 (or higher) or Wi-Fi connection. This app measures the electric resistance of the object, connected to Theta-Meter e-meter electrodes. This app is not intended to diagnose, treat, cure, or prevent any disease or medical or therapeutic use. Using a needle indicator, this app shows the dynamics of changes in the electrical resistance of an object connected to the Theta-Meter device.

Screenshots

Lang Tools Wireless3 screens

Theta2 screens

Verdict

The call

The clearest difference is update cadence: Lang Tools Wireless at every 3 weeks against Theta's every 31 months. Lang Tools Wireless also leads on iOS requirement (12.0 vs 14.0). Theta's advantage is device support (4 vs 2). On price, ads and in-app purchases 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

Lang Tools Wireless ships an update every 3 weeks, Theta every 31 months. The most recent releases landed on August 10, 2026 and September 16, 2026 respectively.

Scorecard3 real differences · 3 level

Lang Tools Wireless versus Theta: the parameters behind the verdict, then further details
Parameter	Lang Tools Wireless	Theta
Price	Free	Free
Update frequency	Every 3 weeks — better	Every 31 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPad, iPod, Mac — better
Requires iOS	12.0 — better	14.0
Further details — not scored
Size	2 MB	8 MB
Age rating	4+	4+
Developer	Kane Asia Inc.	Mikhail Fedorov

In-app purchases

None

Lang Tools Wireless

No in-app purchases

None

Theta

No in-app purchases

Questions

Is Lang Tools Wireless free?

Lang Tools Wireless is free to download, with no in-app purchases.

Is Theta free?

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

Do Lang Tools Wireless or Theta have ads?

Neither Lang Tools Wireless nor Theta shows ads.

Which is updated more often, Lang Tools Wireless or Theta?

Lang Tools Wireless ships an update every 3 weeks, and Theta every 31 months. Most recently, Lang Tools Wireless was updated on August 10, 2026 and Theta on September 16, 2026.