# CastleKeyp vs Coflow

The clearest difference is rating: CastleKeyp at 5.0 against Coflow's 4.0. Coflow's advantage is update cadence (weekly vs every 2 months) and iOS requirement (11.0 vs 15.1). On price, ratings volume, 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.

CastleKeyp holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 4 and 3 respectively.

CastleKeyp ships an update every 2 months, Coflow weekly. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | CastleKeyp | Coflow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/castlekeyp/id1541685212/reviews)** | [4.0 (3 ratings)](https://appshunter.io/ios/app/coflow-flow-together/id6447792478/reviews) |
| Number of ratings | **4** | 3 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | Free |
| Size | 48 MB | 49 MB |
| Requires iOS | 15.1 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CastleKeyp Corporation](https://appshunter.io/developer/1541685214) | [Follow The White Rabbit, Inc.](https://appshunter.io/developer/1651532621) |

## 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


### Coflow

[App page](https://appshunter.io/ios/app/coflow-flow-together/id6447792478)

Enhance team productivity and achieve shared goals through collaborative focus sessions and task management. Organize daily routines, track progress in virtual groups, and foster camaraderie with kudos and shared to-do lists.

**Highlights:** Collaborative focus sessions, Virtual group 'Pods', Shared to-do lists, Personal routine manager, Progress tracking and reports, Send kudos to team members

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CastleKeyp free?

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

### Is Coflow free?

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

### Which has better reviews, CastleKeyp or Coflow?

CastleKeyp is rated higher. CastleKeyp averages 5.0 out of 5 from 4 ratings, while Coflow averages 4.0 from 3 ratings.

### Do CastleKeyp or Coflow have ads?

Neither CastleKeyp nor Coflow shows ads.

### Which is updated more often, CastleKeyp or Coflow?

CastleKeyp ships an update every 2 months, and Coflow weekly. Most recently, CastleKeyp was updated on October 29, 2026 and Coflow on October 27, 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.*