# CryptCloudViewer vs SumKey

The clearest difference is price: CryptCloudViewer at Free against SumKey's $1.99. CryptCloudViewer also leads on update cadence (every 3 days vs every 9 days). SumKey's advantage is in-app purchases (none vs 3). On ads, device support and iOS requirement there is nothing between them.

CryptCloudViewer is free to download; SumKey costs $1.99 up front. CryptCloudViewer sells 3 one-off in-app purchases. SumKey asks for nothing beyond the download.

CryptCloudViewer ships an update every 3 days, SumKey every 9 days. The most recent releases landed on October 17, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | CryptCloudViewer | SumKey |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.3 (15 ratings)](https://appshunter.io/ios/app/cryptcloudviewer/id1458528598/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 9 days |
| Monetization | Free with in-app purchases | — |
| Size | 74 MB | 2 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ichiro NAKAHARA](https://appshunter.io/developer/1435691954) | [Che Wei Li](https://appshunter.io/developer/6793052965) |

## What reviewers say

### CryptCloudViewer

[App page](https://appshunter.io/ios/app/cryptcloudviewer/id1458528598)

Access and manage encrypted files across multiple cloud storage services. Stream media directly from your encrypted cloud with support for various formats and Chromecast.

**Highlights:** Supports Google Drive, Dropbox, OneDrive, and more, Rclone, CarotDAV, and Cryptomator encryption, Encrypted media playback, Software decoder for non-native media, Cloud file management (upload, delete, rename), Chromecast support with encoding

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| coffee | $0.99 | one-time |
| fresh orange juice | $4.99 | one-time |
| dinner | $12.99 | one-time |


### SumKey

[App page](https://appshunter.io/ios/app/sumkey-calculator-keyboard/id6793052963)

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

**In-app purchases:** none


## Frequently asked questions

### Is CryptCloudViewer free?

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

### Is SumKey free?

SumKey costs $1.99, with no in-app purchases.

### Do CryptCloudViewer or SumKey have ads?

Neither CryptCloudViewer nor SumKey shows ads.

### Which is updated more often, CryptCloudViewer or SumKey?

CryptCloudViewer ships an update every 3 days, and SumKey every 9 days. Most recently, CryptCloudViewer was updated on October 17, 2026 and SumKey on October 11, 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.*