# Basic Calendar vs OT Tcu control

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.

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.

## The numbers

| Metric | Basic Calendar | OT Tcu control |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/basic-calendar/id6450149987/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 5 MB | 25 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [dotori king](https://appshunter.io/developer/1441655751) | [Optimum Tracker](https://appshunter.io/developer/1529310751) |

## What reviewers say

### Basic Calendar

[App page](https://appshunter.io/ios/app/basic-calendar/id6450149987)

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:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy Me a Coffee | $0.99 | one-time |
| Remove Ads | $3.99 | one-time |


### OT Tcu control

[App page](https://appshunter.io/ios/app/ot-tcu-control/id6758148987)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*