Comparison

Theta vs Dircode lock

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

Head to head
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.

About

Dircode lock

Features
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Dircode is an app for managing smart locks and access devices. The app lets you connect compatible locks, manage access rights, and view transaction history. Key features: - Connect and manage compatible locks via Bluetooth; - View a list of locks and Wi-Fi gateways; - Manage user access rights; - Work with codes, cards, and fingerprints, if supported by the device; - View event logs and transaction history; - Sync records and perform basic device setup. The availability of individual features depends on the lock model, gateway, and supported device capabilities.

Screenshots

Theta2 screens
Dircode lock4 screens

Verdict

The call

The clearest difference is update cadence: Dircode lock at every 6 weeks against Theta's every 31 months. Theta's advantage is device support (4 vs 2) and iOS requirement (14.0 vs 16.0). On price, ads and in-app purchases there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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

UpkeepUpdate frequency

Theta ships an update every 31 months, Dircode lock every 6 weeks. The most recent releases landed on September 16, 2026 and September 8, 2026 respectively.

Scorecard3 real differences ยท 3 level
Theta versus Dircode lock: the parameters behind the verdict, then further details
ParameterThetaDircode lock
PriceFreeFree
Update frequencyEvery 31 monthsEvery 6 weeks โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod, Mac โ€” betteriPhone, iPad
Requires iOS14.0 โ€” better16.0
Further details โ€” not scored
Size8 MB38 MB
Age rating4+4+
DeveloperMikhail FedorovAnton Poletaev

In-app purchases

None

Theta

No in-app purchases

None

Dircode lock

No in-app purchases

Questions

Is Theta free?
Theta is free to download, with no in-app purchases.
Is Dircode lock free?
Dircode lock is free to download, with no in-app purchases.
Do Theta or Dircode lock have ads?
Neither Theta nor Dircode lock shows ads.
Which is updated more often, Theta or Dircode lock?
Theta ships an update every 31 months, and Dircode lock every 6 weeks. Most recently, Theta was updated on September 16, 2026 and Dircode lock on September 8, 2026.

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