# CastleKeyp vs Lists for Days

The clearest difference is rating: CastleKeyp at 5.0 against Lists for Days's 4.0. CastleKeyp also leads on iOS requirement (15.1 vs 17.0). On price, ratings volume, update cadence and ads there is nothing between them.

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

CastleKeyp holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 4 and 2 respectively.

CastleKeyp ships an update every 2 months, Lists for Days every 3 months. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | CastleKeyp | Lists for Days |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/castlekeyp/id1541685212/reviews)** | [4.0 (2 ratings)](https://appshunter.io/ios/app/lists-for-days/id6743381526/reviews) |
| Number of ratings | **4** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | Free |
| Size | 48 MB | 1 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [CastleKeyp Corporation](https://appshunter.io/developer/1541685214) | [Victor Johnson](https://appshunter.io/developer/1425757788) |

## What reviewers say

### CastleKeyp

[App page](https://appshunter.io/ios/app/castlekeyp/id1541685212)

Securely store and manage all your sensitive personal information, from passwords to family details. Access your encrypted data from anywhere and share specific information with trusted contacts. Organize social circles and never miss important dates with an integrated calendar.

**Highlights:** End-to-end encrypted data storage, Securely store passwords, bank details, and personal profiles, Share specific information with trusted contacts, Organize social circles and custom groups, Integrated calendar for important dates, Contact management for family and friends

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

**In-app purchases:** none


### Lists for Days

[App page](https://appshunter.io/ios/app/lists-for-days/id6743381526)

Organize your thoughts and tasks with an intuitive list-making application. Create unlimited nested lists of various types, including plain, checklist, and numbered formats. Quickly add new items and access your lists via a home screen widget.

**Highlights:** Unlimited list creation, Infinitely nested lists, Multiple list types (plain, checklist, numbered), Shortcut for adding new items, Home screen widget

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

**In-app purchases:** none


## Frequently asked questions

### Is CastleKeyp free?

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

### Is Lists for Days free?

Lists for Days is free to download, with no in-app purchases.

### Which has better reviews, CastleKeyp or Lists for Days?

CastleKeyp is rated higher. CastleKeyp averages 5.0 out of 5 from 4 ratings, while Lists for Days averages 4.0 from 2 ratings.

### Do CastleKeyp or Lists for Days have ads?

Neither CastleKeyp nor Lists for Days shows ads.

### Which is updated more often, CastleKeyp or Lists for Days?

CastleKeyp ships an update every 2 months, and Lists for Days every 3 months. Most recently, CastleKeyp was updated on October 24, 2026 and Lists for Days on October 22, 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.*