# POIViewer vs Lock Status

The clearest difference is price: Lock Status at Free against POIViewer's $4.99. POIViewer's advantage is in-app purchases (none vs 2) and review sentiment (82% vs 50%). On rating, ratings volume, update cadence and ads there is nothing between them.

Lock Status is free to download; POIViewer costs $4.99 up front. Lock Status sells 2 in-app purchases, starting at $1.99 per month. POIViewer asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for POIViewer against 4.8 for Lock Status. Both are backed by a comparable volume of ratings — 9 and 21 respectively. Written reviews are what separate them: 82% of POIViewer's written reviews are positive against 50% of Lock Status's.

POIViewer ships an update every 4 weeks, Lock Status every 5 weeks. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | POIViewer | Lock Status |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.9 (9 ratings)](https://appshunter.io/ios/app/poiviewer/id364906423/reviews)** | [4.8 (21 ratings)](https://appshunter.io/ios/app/lock-status/id1575387855/reviews) |
| Number of ratings | 9 | **21** |
| Positive reviews | **82.4% of reviews** | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 5 weeks |
| Monetization | Paid | **Free** |
| Size | 15 MB | 17 MB |
| Requires iOS | **12.4** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [FrenchKiss Development](https://appshunter.io/developer/364906426) | [Andrew Thom](https://appshunter.io/developer/1231883383) |

## What reviewers say

### POIViewer

[App page](https://appshunter.io/ios/app/poiviewer/id364906423)

This app allows users to import, manage, and display points of interest on maps. It supports various file formats for import and can launch external navigation apps. Users can also edit POI details, organize them into lists, and monitor nearby points.

**Highlights:** Import POIs from various file formats, Display POIs as pins or custom icons on maps, Organize POIs into editable lists, Launch favorite GPS navigation apps, Monitor nearby POIs, Edit POI titles, comments, and coordinates, Export POIs in KML/KMZ format

**Features:** macOS Compatibility

**In-app purchases:** none


### Lock Status

[App page](https://appshunter.io/ios/app/lock-status/id1575387855)

Provides real-time information on U.S. river locks and dams. Get contact details and see upcoming locks for your waterway journey. Essential for boaters and canoeists navigating rivers.

**Highlights:** Up-to-date lock information, Contact methods for locks, Upcoming lock identification, Supports waterway journeys, River and dam status

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lock Status Premium (1 Month) | $1.99 | per month |
| Lock Status Premium (1 Year) | $9.99 | per year |


## Frequently asked questions

### Is POIViewer free?

POIViewer costs $4.99, with no in-app purchases.

### Is Lock Status free?

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

### Which has better reviews, POIViewer or Lock Status?

POIViewer is rated higher. POIViewer averages 4.9 out of 5 from 9 ratings, while Lock Status averages 4.8 from 21 ratings.

### Do POIViewer or Lock Status have ads?

Neither POIViewer nor Lock Status shows ads.

### Which is updated more often, POIViewer or Lock Status?

POIViewer ships an update every 4 weeks, and Lock Status every 5 weeks. Most recently, POIViewer was updated on November 6, 2026 and Lock Status on November 3, 2026.

---

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