Basic Calendar vs OT Tcu control
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Basic Calendar
This app offers a clean, monthly view of your Apple Calendar data. Personalize your schedule with color themes and stay on top of appointments with home screen widgets. Easily manage your events at a glance.
- Monthly calendar view
- Apple Calendar integration
- Customizable color themes
- Home screen widgets
- Intuitive user interface
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Basic Calendar is an app that conveniently displays your Apple Calendar data in a monthly view. With a clean design and intuitive user interface, you can easily view and manage your schedule at a glance. Additionally, it supports various color themes, allowing you to personalize your experience and differentiate your events using different visual styles. The app also features widget functionality, ensuring that you never miss important appointments even from your home screen.
OT Tcu control
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OT Control establishes a Bluetooth Low Energy (BLE) connection to Optimum Tracker’s Solar Tracker Control Unit (TCU) and provides a real-time overview of the tracker’s operational status. The application allows technicians to: Discover nearby TCU devices via Bluetooth Connect securely to a tracker control unit Monitor device status and operational values Configure essential system parameters Perform maintenance and diagnostics OT Control communicates with Digi XBee 3 devices via Bluetooth. These devices are connected to the tracker controller through a serial interface and expose operational data through a Modbus RTU interface. This application provides a safe and convenient interface for interacting with the tracker control system used in Optimum Tracker solar installations. OT Control is intended for use by trained technicians operating Optimum Tracker equipment.
Screenshots
Verdict
The clearest difference is in-app purchases: OT Tcu control at none against Basic Calendar's 2. OT Tcu control also leads on iOS requirement (15.1 vs 17.0). On price, update cadence, ads 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. Basic Calendar sells 2 one-off in-app purchases. OT Tcu control asks for nothing beyond the download.
Basic Calendar ships an update every 2 weeks, OT Tcu control every 9 days. The most recent releases landed on September 17, 2026 and September 19, 2026 respectively.
| Parameter | Basic Calendar | OT Tcu control |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 2 weeks | Every 9 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 5 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | dotori king | Optimum Tracker |
In-app purchases
Basic Calendar
- Buy Me a Coffee$0.99
- Remove Ads$3.99
OT Tcu control
No in-app purchases
Questions
Is Basic Calendar free?
Is OT Tcu control free?
Do Basic Calendar or OT Tcu control have ads?
Which is updated more often, Basic Calendar or OT Tcu control?
Other comparisons
