# CM Sensor vs R2 Bucket Boss

The clearest difference is review sentiment: R2 Bucket Boss at 100% against CM Sensor's 25%. R2 Bucket Boss also leads on rating (5.0 vs 2.8) and update cadence (every 3 days vs every 3 months). CM Sensor's advantage is in-app purchases (none vs 4) and ratings volume (17 vs 1). On price, ads and device support there is nothing between them.

Both are free to download. R2 Bucket Boss sells 4 in-app purchases, starting at $0.99 per 7 days. CM Sensor asks for nothing beyond the download.

R2 Bucket Boss holds the better App Store score, 5.0 against 2.8. That said, the two scores are not equally well evidenced: CM Sensor has 17 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 25% of CM Sensor's written reviews are positive against 100% of R2 Bucket Boss's.

CM Sensor ships an update every 3 months, R2 Bucket Boss every 3 days. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | CM Sensor | R2 Bucket Boss |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.8 (17 ratings)](https://appshunter.io/ios/app/cm-sensor/id1474999908/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/r2-bucket-boss/id6811290816/reviews)** |
| Number of ratings | **17** | 1 |
| Positive reviews | 25.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 32 MB | 23 MB |
| Requires iOS | **15.1** | 26.5 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | +12 |
| Developer | [Church Mutual Insurance Company, S.I.](https://appshunter.io/developer/1306916950) | [Matia labs, inc.](https://appshunter.io/developer/1726732402) |

## What reviewers say

### CM Sensor

[App page](https://appshunter.io/ios/app/cm-sensor/id1474999908)

This utility app connects users with their insurance provider. It offers features for setting up smart bases and sensors to enhance communication and monitoring.

**Highlights:** Insurance company contact, Smart Base setup, Sensor configuration, Enhanced communication

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

**In-app purchases:** none


### R2 Bucket Boss

[App page](https://appshunter.io/ios/app/r2-bucket-boss/id6811290816)

Manage Cloudflare R2 buckets and SFTP servers in a single, intuitive file manager. Browse, edit, move, and share files directly without needing web dashboards or command lines. Offers built-in editing, image previews, and server-side operations for efficient remote file management.

**Highlights:** Unified R2 and SFTP management, Drag and drop file transfers, Built-in text editor and image preview, Server-side file operations, Cloudflare cache management, Secure server list export

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $0.99 | per 7 days |
| Pro Monthly | $2.99 | per month |
| Pro Annual | $24.99 | per year |
| Pro Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is CM Sensor free?

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

### Is R2 Bucket Boss free?

R2 Bucket Boss is free to download, with in-app purchases available.

### Which has better reviews, CM Sensor or R2 Bucket Boss?

R2 Bucket Boss is rated higher. CM Sensor averages 2.8 out of 5 from 17 ratings, while R2 Bucket Boss averages 5.0 from 1 ratings.

### Do CM Sensor or R2 Bucket Boss have ads?

Neither CM Sensor nor R2 Bucket Boss shows ads.

### Which is updated more often, CM Sensor or R2 Bucket Boss?

CM Sensor ships an update every 3 months, and R2 Bucket Boss every 3 days. Most recently, CM Sensor was updated on October 24, 2026 and R2 Bucket Boss on October 29, 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.*