Theta vs Dircode lock
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
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.
Dircode lock
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
| Parameter | Theta | Dircode lock |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 31 months | Every 6 weeks โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod, Mac โ better | iPhone, iPad |
| Requires iOS | 14.0 โ better | 16.0 |
| Further details โ not scored | ||
| Size | 8 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Mikhail Fedorov | Anton Poletaev |
In-app purchases
Theta
No in-app purchases
Dircode lock
No in-app purchases









