# MPInventory vs DayDo Calendar

The clearest difference is in-app purchases: MPInventory at none against DayDo Calendar's 3. MPInventory also leads on ads (none vs shown) and iOS requirement (15.0 vs 26.0). DayDo Calendar's advantage is update cadence (every 3 weeks vs every 11 months). On price and device support there is nothing between them.

Both are free to download. DayDo Calendar sells 3 in-app purchases, starting at $1.99 per month. MPInventory asks for nothing beyond the download.

MPInventory ships an update every 11 months, DayDo Calendar every 3 weeks. The most recent releases landed on October 4, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | MPInventory | DayDo Calendar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (2 ratings)](https://appshunter.io/ios/app/daydo-calendar/id6753119680/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 11 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 13 MB | 121 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [MOBIL POHOTOVOST GSM s.r.o.](https://appshunter.io/developer/1299966713) | [Ondrej Horak](https://appshunter.io/developer/1681103059) |

## What reviewers say

### MPInventory

[App page](https://appshunter.io/ios/app/mpinventory/id1299966714)

**Features:** macOS Compatibility

**In-app purchases:** none


### DayDo Calendar

[App page](https://appshunter.io/ios/app/daydo-calendar/id6753119680)

Organize your daily life with a unified planner that integrates calendars, reminders, routines, and smart alarms. This app offers a modern approach to planning, helping you manage your schedule and personal habits efficiently in a single, elegant interface.

**Highlights:** Integrated calendar, Daily reminders, Recurring routines, Smart alarms, Elegant interface, Personal habit management

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly PRO | $1.99 | per month |
| Yearly PRO | $19.99 | per year |
| Lifetime PRO | $99.99 | one-time |


## Frequently asked questions

### Is MPInventory free?

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

### Is DayDo Calendar free?

DayDo Calendar is free to download, with in-app purchases available.

### Do MPInventory or DayDo Calendar have ads?

DayDo Calendar shows ads; MPInventory does not.

### Which is updated more often, MPInventory or DayDo Calendar?

MPInventory ships an update every 11 months, and DayDo Calendar every 3 weeks. Most recently, MPInventory was updated on October 4, 2026 and DayDo Calendar on October 10, 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.*