# Sighted UFO vs DMC by DSI

The clearest difference is update cadence: DMC by DSI at weekly against Sighted UFO's every 3 months. On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Sighted UFO sells 1 one-off in-app purchase and DMC by DSI sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Sighted UFO ships an update every 3 months, DMC by DSI weekly. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Sighted UFO | DMC by DSI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/dmc-by-dsi/id6745802086/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free | Free |
| Size | 167 MB | 134 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 17+ | 12+ |
| Developer | [Louis Perner](https://appshunter.io/developer/1626762416) | [Design and Software International, Inc](https://appshunter.io/developer/1813976591) |

## What reviewers say

### Sighted UFO

[App page](https://appshunter.io/ios/app/sighted-ufo/id1626762414)

This app tracks real-time sightings of UFOs, aliens, meteors, and other unexplained phenomena. Submit your own sightings with photos and location, and view them on a live map. Receive emergency alerts and connect with a global community of observers.

**Highlights:** Real-time sighting tracking, Submit sightings with photos and location, Live map with flight tracking overlay, Live streaming from the field, Emergency event warnings, Community sharing of photos and videos, On-device content moderation

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sighted Pro | $1.99 | one-time |


### DMC by DSI

[App page](https://appshunter.io/ios/app/dmc-by-dsi/id6745802086)

Connect with CNC manufacturing professionals to share knowledge, solve problems, and optimize processes. Access industry insights, participate in discussions, and find career opportunities in digital manufacturing.

**Highlights:** Engaging discussions and polls, Community collaboration and networking, Resource hub with industry insights, Virtual and in-person events, Digital manufacturing job board

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Time Purchase Plan | $99.99 | one-time |


## Frequently asked questions

### Is Sighted UFO free?

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

### Is DMC by DSI free?

DMC by DSI is free to download, with in-app purchases available.

### Do Sighted UFO or DMC by DSI have ads?

Neither Sighted UFO nor DMC by DSI shows ads.

### Which is updated more often, Sighted UFO or DMC by DSI?

Sighted UFO ships an update every 3 months, and DMC by DSI weekly. Most recently, Sighted UFO was updated on November 3, 2026 and DMC by DSI on November 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*