# Custom Observer App vs Significant Locations

The clearest difference is in-app purchases: Custom Observer App at none against Significant Locations's 2. Custom Observer App also leads on device support (3 vs 1) and iOS requirement (15.6 vs 26.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Significant Locations sells 2 in-app purchases, starting at $0.99 per month. Custom Observer App asks for nothing beyond the download.

Custom Observer App ships an update every 3 weeks, Significant Locations every 2 weeks. Both last shipped on October 12, 2026.

## The numbers

| Metric | Custom Observer App | Significant Locations |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/significant-locations/id6736578013/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | — | Freemium |
| Size | 151 MB | 3 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Aleut Community of St. Paul Island Tribal Government](https://appshunter.io/developer/1329178887) | [Yun Nuo Chi](https://appshunter.io/developer/1772489396) |

## What reviewers say

### Custom Observer App

[App page](https://appshunter.io/ios/app/custom-observer-app/id6736385664)

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

**In-app purchases:** none


### Significant Locations

[App page](https://appshunter.io/ios/app/significant-locations/id6736578013)

Automatically log and revisit important places you frequent. Visualize your movement history on an interactive map and timeline, with detailed insights into duration and visit frequency. Your location data is stored securely on your device.

**Highlights:** Automatic location tracking, Interactive map view, Chronological timeline, Customizable tabs, Detailed location insights, Privacy-focused data storage

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $0.99 | per month |
| Annual Subscription | $4.99 | per year |


## Frequently asked questions

### Is Custom Observer App free?

Custom Observer App is free to download, with no in-app purchases.

### Is Significant Locations free?

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

### Do Custom Observer App or Significant Locations have ads?

Neither Custom Observer App nor Significant Locations shows ads.

### Which is updated more often, Custom Observer App or Significant Locations?

Custom Observer App ships an update every 3 weeks, and Significant Locations every 2 weeks. Most recently, Custom Observer App was updated on October 12, 2026 and Significant Locations on October 12, 2026.

---

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