# Add Calendar Basic vs SImpleMsg

The clearest difference is ads: SImpleMsg at none against Add Calendar Basic's shown. Add Calendar Basic's advantage is iOS requirement (11.1 vs 16.1). On price, update cadence, 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.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on September 28, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Add Calendar Basic | SImpleMsg |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/add-calendar-basic/id1482436846/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Monthly | Monthly |
| Monetization | Ad-supported | — |
| Size | 34 MB | 31 MB |
| Requires iOS | **11.1** | 16.1 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [cho seonghyun](https://appshunter.io/developer/1436483241) | [Timofey Ovsyannikov](https://appshunter.io/developer/1775683689) |

## What reviewers say

### Add Calendar Basic

[App page](https://appshunter.io/ios/app/add-calendar-basic/id1482436846)

This utility app allows users to add custom calendars directly to their device wallpaper. It also offers a convenient feature for managing 3-shift work schedules.

**Highlights:** Add custom calendars to wallpaper, 3-shift work schedule management, Wallpaper integration

**Features:** macOS Compatibility

**In-app purchases:** none


### SImpleMsg

[App page](https://appshunter.io/ios/app/simplemsg/id6737440374)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Add Calendar Basic free?

Add Calendar Basic is free to download, with no in-app purchases.

### Is SImpleMsg free?

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

### Do Add Calendar Basic or SImpleMsg have ads?

Add Calendar Basic shows ads; SImpleMsg does not.

### Which is updated more often, Add Calendar Basic or SImpleMsg?

Add Calendar Basic ships an update monthly, and SImpleMsg monthly. Most recently, Add Calendar Basic was updated on September 28, 2026 and SImpleMsg on September 27, 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.*