# VTA Pay vs SENTINEL TacMap

The clearest difference is in-app purchases: VTA Pay at none against SENTINEL TacMap's 2. VTA Pay also leads on iOS requirement (13.0 vs 26.2). SENTINEL TacMap's advantage is update cadence (every 4 days vs every 7 months). On price, ads and device support there is nothing between them.

Both are free to download. SENTINEL TacMap sells 2 in-app purchases, starting at $5.99 per month. VTA Pay asks for nothing beyond the download.

VTA Pay ships an update every 7 months, SENTINEL TacMap every 4 days. The most recent releases landed on September 28, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | VTA Pay | SENTINEL TacMap |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sentinel-tacmap/id6782739795/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 days** |
| Monetization | — | Freemium |
| Size | 57 MB | 10 MB |
| Requires iOS | **13.0** | 26.2 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [SPX Technologies](https://appshunter.io/developer/456725430) | [JEREMY MITER](https://appshunter.io/developer/1896505365) |

## What reviewers say

### VTA Pay

[App page](https://appshunter.io/ios/app/vta-pay/id6449848001)

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none


### SENTINEL TacMap

[App page](https://appshunter.io/ios/app/sentinel-tacmap/id6782739795)

This app provides advanced mission planning, navigation, and secure team communication tools. It offers features like GRG generation, line-of-sight analysis, and live position sharing with end-to-end encryption for enhanced operational coordination.

**Highlights:** Gridded Reference Graphic (GRG) generation, Line-of-sight and terrain masking analysis, Live position sharing with end-to-end encryption, MGRS navigation with topographic basemaps, Shared waypoints and overlays with live sync, Import/export KML/KMZ and CoT data

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SENTINEL TacMap | $5.99 | per month |
| SENTINEL TacMap | $29.99 | per year |


## Frequently asked questions

### Is VTA Pay free?

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

### Is SENTINEL TacMap free?

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

### Do VTA Pay or SENTINEL TacMap have ads?

Neither VTA Pay nor SENTINEL TacMap shows ads.

### Which is updated more often, VTA Pay or SENTINEL TacMap?

VTA Pay ships an update every 7 months, and SENTINEL TacMap every 4 days. Most recently, VTA Pay was updated on September 28, 2026 and SENTINEL TacMap on October 7, 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.*