# Fence Mapster vs Sub

The clearest difference is in-app purchases: Sub at none against Fence Mapster's 3. Sub also leads on iOS requirement (14.0 vs 16.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Fence Mapster sells 3 in-app purchases, starting at $4.99 per month. Sub asks for nothing beyond the download.

Fence Mapster ships an update every 2 weeks, Sub fortnightly. The most recent releases landed on September 5, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Fence Mapster | Sub |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/fence-mapster-field-gps/id6502694240/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Monetization | Subscription | — |
| Size | 67 MB | 43 MB |
| Requires iOS | 16.6 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [BMAC Infotech](https://appshunter.io/developer/1091994276) | [PVR Controls](https://appshunter.io/developer/1637087825) |

## What reviewers say

### Fence Mapster

[App page](https://appshunter.io/ios/app/fence-mapster-field-gps/id6502694240)

This app helps users measure and manage land boundaries with precision using GPS technology. It allows for simultaneous measurement of multiple fences, customizable visuals, and easy data organization. Measurements can be saved, grouped, and exported as KML files for sharing or use in other mapping tools.

**Highlights:** Multi-fence measurement, Customizable visuals, Save and organize measurements, KML file export/import, User-friendly design, Manual, GPS, and freehand measurement options

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Year | $49.99 | per year |
| Yearly | $49.99 | one-time |


### Sub

[App page](https://appshunter.io/ios/app/sub-connect/id6741066535)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Fence Mapster free?

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

### Is Sub free?

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

### Do Fence Mapster or Sub have ads?

Neither Fence Mapster nor Sub shows ads.

### Which is updated more often, Fence Mapster or Sub?

Fence Mapster ships an update every 2 weeks, and Sub fortnightly. Most recently, Fence Mapster was updated on September 5, 2026 and Sub on September 14, 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.*