# Pi vs Hilding Anders

The clearest difference is update cadence: Pi at every 5 months against Hilding Anders's every 20 months. Hilding Anders's advantage is device support (3 vs 1) and iOS requirement (9.0 vs 16.6). On price, ads and in-app purchases there is nothing between them.

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

Pi ships an update every 5 months, Hilding Anders every 20 months. The most recent releases landed on October 19, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Pi | Hilding Anders |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/pi-anniversary/id566743904/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 20 months |
| Monetization | Free | — |
| Size | 4 MB | 53 MB |
| Requires iOS | 16.6 | **9.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sestra Studio](https://appshunter.io/developer/566743907) | [DewertOkin GmbH](https://appshunter.io/developer/586544281) |

## What reviewers say

### Pi

[App page](https://appshunter.io/ios/app/pi-anniversary/id566743904)

Never miss an important date again! This app helps you save and track anniversaries with custom reminders. It supports various time units and allows you to create your own event parameters for personalized tracking.

**Highlights:** Save and track anniversaries, Customizable reminders, Support for various time units, Create custom event parameters, Track nerdy and significant events

**Features:** macOS Compatibility

**In-app purchases:** none


### Hilding Anders

[App page](https://appshunter.io/ios/app/hilding-anders/id1003168509)

**In-app purchases:** none


## Frequently asked questions

### Is Pi free?

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

### Is Hilding Anders free?

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

### Do Pi or Hilding Anders have ads?

Neither Pi nor Hilding Anders shows ads.

### Which is updated more often, Pi or Hilding Anders?

Pi ships an update every 5 months, and Hilding Anders every 20 months. Most recently, Pi was updated on October 19, 2026 and Hilding Anders 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.*