# PP Calendar Reminders vs Datotek AI PSSD

The clearest difference is in-app purchases: Datotek AI PSSD at none against PP Calendar Reminders's 1. Datotek AI PSSD also leads on update cadence (weekly vs every 2 months). PP Calendar Reminders's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 17.0). On price and ads there is nothing between them.

Both are free to download. PP Calendar Reminders sells 1 one-off in-app purchase. Datotek AI PSSD asks for nothing beyond the download.

PP Calendar Reminders ships an update every 2 months, Datotek AI PSSD weekly. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | PP Calendar Reminders | Datotek AI PSSD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (10 ratings)](https://appshunter.io/ios/app/pp-calendar-reminders/id981158014/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 3 MB | 113 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [金鹏 王](https://appshunter.io/developer/981158013) | [KUAN YU CHEN](https://appshunter.io/developer/6773995214) |

## What reviewers say

### PP Calendar Reminders

[App page](https://appshunter.io/ios/app/pp-calendar-reminders/id981158014)

Manage reminders and view holidays with this utility app. Easily reschedule, mark as complete, or ignore reminders. Access public, lunar, and region-specific holidays with detailed date information and countdowns.

**Highlights:** Create Gregorian/Lunar reminders, Quickly reschedule reminders, Mark reminders as completed, View public & lunar holidays, Holiday countdown, Sync reminders via iCloud, Widget for quick info

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| More Features | $1.99 | one-time |


### Datotek AI PSSD

[App page](https://appshunter.io/ios/app/datotek-ai-pssd/id6773995212)

**In-app purchases:** none


## Frequently asked questions

### Is PP Calendar Reminders free?

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

### Is Datotek AI PSSD free?

Datotek AI PSSD is free to download, with no in-app purchases.

### Do PP Calendar Reminders or Datotek AI PSSD have ads?

Neither PP Calendar Reminders nor Datotek AI PSSD shows ads.

### Which is updated more often, PP Calendar Reminders or Datotek AI PSSD?

PP Calendar Reminders ships an update every 2 months, and Datotek AI PSSD weekly. Most recently, PP Calendar Reminders was updated on November 1, 2026 and Datotek AI PSSD on October 31, 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.*