Theta vs ChargLink
Price, ratings, monetisation and update history for both apps, side by side — 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.
ChargLink
This app transforms any industrial charger into an IoT-connected device. It integrates with energy credit programs for low carbon emission reporting, offering cloud configuration, real-time monitoring, and detailed usage reports for charger fleets.
- IoT connectivity for industrial chargers
- Web-based cloud configuration
- Real-time charger utilization logs
- Historical charger usage data
- Charger kW and kWhr usage reports
- Fleet utilization reporting
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Charglink, A Smart Accessory that Enables ANY Industrial Charger to be an IoT Connected Charger. It integrates with Smart Charging Technologies’ Smart Rebates program for energy credit reporting in low carbon emission programs. App Key Features: • Web-based Cloud Configuration & Monitoring • Real-time & Historical Logs of Charger Utilization • Charger kW & kWhr Usage Reports • Charger Fleet Utilization Reports
Screenshots
Verdict
The clearest difference is update cadence: ChargLink at every 3 weeks against Theta's every 31 months. On price, 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
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, ChargLink every 3 weeks. Both last shipped on November 3, 2026.
| Parameter | Theta | ChargLink |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 31 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 14.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 8 MB | 39 MB |
| Age rating | 4+ | 4+ |
| Developer | Mikhail Fedorov | Smart Charging Technologies |
In-app purchases
Theta
No in-app purchases
ChargLink
No in-app purchases
