# Semaphor vs XR550

The clearest difference is review sentiment: XR550 at 100% against Semaphor's 15%. XR550 also leads on rating (4.5 vs 3.5) and in-app purchases (none vs 1). Semaphor's advantage is update cadence (every 3 weeks vs every 10 months) and iOS requirement (10.0 vs 17.0). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Semaphor sells 1 in-app purchase, starting at $8.99 per month. XR550 asks for nothing beyond the download.

XR550 holds the better App Store score, 4.5 against 3.5. Both are backed by a comparable volume of ratings — 15 and 8 respectively. Written reviews point the same way: 15% of Semaphor's written reviews are positive against 100% of XR550's.

Semaphor ships an update every 3 weeks, XR550 every 10 months. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Semaphor | XR550 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (15 ratings)](https://appshunter.io/ios/app/semaphor/id1093566063/reviews) | **[4.5 (8 ratings)](https://appshunter.io/ios/app/xr550-spatial-events/id6504642222/reviews)** |
| Number of ratings | **15** | 8 |
| Positive reviews | 15.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 10 months |
| Monetization | Freemium | **Ad-supported** |
| Size | 19 MB | 8 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SpiderOak, Inc.](https://appshunter.io/developer/360584374) | [DigitalCM, LLC](https://appshunter.io/developer/1622186374) |

## What reviewers say

### Semaphor

[App page](https://appshunter.io/ios/app/semaphor/id1093566063)

This app offers secure team communication and collaboration with end-to-end encryption and private blockchain technology. It provides features like direct messaging, file sharing, and project-specific channels for real-time teamwork.

**Highlights:** End-to-end encryption, Secure file sharing, Private direct messaging, Unlimited project channels, Real-time collaboration, Native offline mode

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Personal Plan Monthly | $8.99 | per month |


### XR550

[App page](https://appshunter.io/ios/app/xr550-spatial-events/id6504642222)

Organize photos and videos into location-tagged "Events" to easily relive memories. Share your moments with friends and family, and seamlessly transition to future devices.

**Highlights:** Create and manage location-tagged events, Interactive map view of media locations, Share photos and videos easily, Seamless compatibility with future devices, Organize photos and videos into custom albums

**In-app purchases:** none


## Frequently asked questions

### Is Semaphor free?

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

### Is XR550 free?

XR550 is free to download, with no in-app purchases.

### Which has better reviews, Semaphor or XR550?

XR550 is rated higher. Semaphor averages 3.5 out of 5 from 15 ratings, while XR550 averages 4.5 from 8 ratings.

### Do Semaphor or XR550 have ads?

Neither Semaphor nor XR550 shows ads.

### Which is updated more often, Semaphor or XR550?

Semaphor ships an update every 3 weeks, and XR550 every 10 months. Most recently, Semaphor was updated on October 7, 2026 and XR550 on October 10, 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.*