# KeepDates vs Plunder

The clearest difference is update cadence: Plunder at daily against KeepDates's every 9 days. Plunder also leads on iOS requirement (18.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. KeepDates sells 1 one-off in-app purchase and Plunder sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

KeepDates ships an update every 9 days, Plunder daily. The most recent releases landed on September 19, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | KeepDates | Plunder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/plunder-challenge-coins/id6794045688/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Daily** |
| Monetization | — | Free with in-app purchases |
| Size | 10 MB | 77 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Ziga Dolar](https://appshunter.io/developer/564399117) | [Connor Rose](https://appshunter.io/developer/1535416273) |

## What reviewers say

### KeepDates

[App page](https://appshunter.io/ios/app/keepdates-contact-dates/id6761375469)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Unlock | $3.99 | one-time |


### Plunder

[App page](https://appshunter.io/ios/app/plunder-challenge-coins/id6794045688)

Organize and document your personal collections, from challenge coins and pins to patches and memorabilia. Log detailed information, track provenance, and visualize your collection's history and geographic origins.

**Highlights:** Detailed item cataloging, Log provenance and history, Visual inventory map, Searchable collection ledger, Photo and notes documentation, Categorization and tagging

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Drop a Dubloon | $1.99 | one-time |
| Buy the Crew a Round | $4.99 | one-time |
| Support the Voyage | $9.99 | one-time |


## Frequently asked questions

### Is KeepDates free?

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

### Is Plunder free?

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

### Do KeepDates or Plunder have ads?

Neither KeepDates nor Plunder shows ads.

### Which is updated more often, KeepDates or Plunder?

KeepDates ships an update every 9 days, and Plunder daily. Most recently, KeepDates was updated on September 19, 2026 and Plunder on September 23, 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.*