# Calendar app *DeepBlack vs Days Till by E

The clearest difference is rating: Days Till by E at 5.0 against Calendar app *DeepBlack's 4.5. Calendar app *DeepBlack's advantage is iOS requirement (11.0 vs 18.0). On price, ratings volume, update cadence and ads there is nothing between them.

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

Days Till by E holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Calendar app *DeepBlack ships an update every 5 months, Days Till by E every 3 months. The most recent releases landed on October 12, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Calendar app *DeepBlack | Days Till by E |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (2 ratings)](https://appshunter.io/ios/app/calendar-app-deepblack/id1115009429/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/days-till-by-e-string/id6451335083/reviews)** |
| Number of ratings | **2** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 10 MB | 4 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Bakerstreet Co., Ltd.](https://appshunter.io/developer/1090599145) | [E-String Technologies, Inc.](https://appshunter.io/developer/294199643) |

## 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


### Days Till by E

[App page](https://appshunter.io/ios/app/days-till-by-e-string/id6451335083)

Easily track important upcoming events and past milestones. This app offers multiple modes to count down to or up from any date, with customizable icons and flexible display options. It syncs seamlessly across devices and prioritizes user privacy.

**Highlights:** Countdown to any event, Count up from any date, Calculate time between dates, Customizable event icons, Home screen widgets, Siri integration, iCloud sync

**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 Days Till by E free?

Days Till by E is free to download, with no in-app purchases.

### Which has better reviews, Calendar app *DeepBlack or Days Till by E?

Days Till by E is rated higher. Calendar app *DeepBlack averages 4.5 out of 5 from 2 ratings, while Days Till by E averages 5.0 from 1 ratings.

### Do Calendar app *DeepBlack or Days Till by E have ads?

Neither Calendar app *DeepBlack nor Days Till by E shows ads.

### Which is updated more often, Calendar app *DeepBlack or Days Till by E?

Calendar app *DeepBlack ships an update every 5 months, and Days Till by E every 3 months. Most recently, Calendar app *DeepBlack was updated on October 12, 2026 and Days Till by E on October 3, 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.*