Comparison

Basic Calendar vs OT Tcu control

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

Head to head
About

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.

Highlights
  • Monthly calendar view
  • Apple Calendar integration
  • Customizable color themes
  • Home screen widgets
  • Intuitive user interface
Features
Read full description

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.

About

OT Tcu control

Features
Read full description

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

Basic Calendar4 screens
OT Tcu control4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Basic Calendar sells 2 one-off in-app purchases. OT Tcu control asks for nothing beyond the download.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 7 level
Basic Calendar versus OT Tcu control: the parameters behind the verdict, then further details
ParameterBasic CalendarOT Tcu control
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 2 weeksEvery 9 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.015.1 — better
Further details — not scored
Size5 MB25 MB
Age rating4+4+
Developerdotori kingOptimum Tracker

In-app purchases

2 purchases

Basic Calendar

One-time2
  • Buy Me a Coffee$0.99
  • Remove Ads$3.99
None

OT Tcu control

No in-app purchases

Questions

Is Basic Calendar free?
Basic Calendar is free to download, with in-app purchases available.
Is OT Tcu control free?
OT Tcu control is free to download, with no in-app purchases.
Do Basic Calendar or OT Tcu control have ads?
Neither Basic Calendar nor OT Tcu control shows ads.
Which is updated more often, Basic Calendar or OT Tcu control?
Basic Calendar ships an update every 2 weeks, and OT Tcu control every 9 days. Most recently, Basic Calendar was updated on September 17, 2026 and OT Tcu control on September 19, 2026.

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