# Calendar app *DeepBlack vs Pulse Disciplesoft

The clearest difference is update cadence: Pulse Disciplesoft at every 2 months against Calendar app *DeepBlack's every 5 months. Calendar app *DeepBlack's advantage is iOS requirement (11.0 vs 13). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Calendar app *DeepBlack ships an update every 5 months, Pulse Disciplesoft every 2 months. The most recent releases landed on October 12, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Calendar app *DeepBlack | Pulse Disciplesoft |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/calendar-app-deepblack/id1115009429/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 10 MB | 43 MB |
| Requires iOS | **11.0** | 13 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Bakerstreet Co., Ltd.](https://appshunter.io/developer/1090599145) | [Vimbai Shonhiwa](https://appshunter.io/developer/1461084600) |

## What reviewers say

### Calendar app *DeepBlack

[App page](https://appshunter.io/ios/app/calendar-app-deepblack/id1115009429)

Organize your schedule with a simple calendar, time, and to-do list. Add tasks and appointments with a touch, and visually distinguish events using customizable color-coding. This app offers a private way to manage your plans without needing to register.

**Highlights:** Daily task and appointment list, Color-coded event decoration, Customizable schedule creation, Private, device-saved plans, Simple touch interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Pulse Disciplesoft

[App page](https://appshunter.io/ios/app/pulse-disciplesoft/id1594684993)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calendar app *DeepBlack free?

Calendar app *DeepBlack is free to download, with no in-app purchases.

### Is Pulse Disciplesoft free?

Pulse Disciplesoft is free to download, with no in-app purchases.

### Do Calendar app *DeepBlack or Pulse Disciplesoft have ads?

Neither Calendar app *DeepBlack nor Pulse Disciplesoft shows ads.

### Which is updated more often, Calendar app *DeepBlack or Pulse Disciplesoft?

Calendar app *DeepBlack ships an update every 5 months, and Pulse Disciplesoft every 2 months. Most recently, Calendar app *DeepBlack was updated on October 12, 2026 and Pulse Disciplesoft on September 13, 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.*