# WakeWatch vs SENTINEL TacMap

The clearest difference is price: SENTINEL TacMap at Free against WakeWatch's $1.99. SENTINEL TacMap also leads on rating (5.0 vs 2.2) and update cadence (every 4 days vs every 2 months). WakeWatch's advantage is in-app purchases (none vs 2) and ratings volume (10 vs 1). On ads and device support there is nothing between them.

SENTINEL TacMap is free to download; WakeWatch costs $1.99 up front. SENTINEL TacMap sells 2 in-app purchases, starting at $5.99 per month. WakeWatch asks for nothing beyond the download.

SENTINEL TacMap holds the better App Store score, 5.0 against 2.2. That said, the two scores are not equally well evidenced: WakeWatch has 10 ratings behind it against 1, so its average is the more settled of the two.

WakeWatch ships an update every 2 months, SENTINEL TacMap every 4 days. The most recent releases landed on October 20, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | WakeWatch | SENTINEL TacMap |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [2.2 (10 ratings)](https://appshunter.io/ios/app/wakewatch/id1061101684/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sentinel-tacmap/id6782739795/reviews)** |
| Number of ratings | **10** | 1 |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | Paid | **Freemium** |
| Best chart rank | **#76** | — |
| Size | 16 MB | 10 MB |
| Requires iOS | **16.0** | 26.2 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Munson](https://appshunter.io/developer/1057945839) | [JEREMY MITER](https://appshunter.io/developer/1896505365) |

## What reviewers say

### WakeWatch

[App page](https://appshunter.io/ios/app/wakewatch/id1061101684)

**Currently charting:** #76 Top Paid · Navigation (US App Store)

This app provides crucial boating information, including no-wake zones, speed limits, and bridge schedules. It uses GPS to alert you to upcoming hazards and features NOAA charts as a base map for enhanced navigation.

**Highlights:** No wake zone maps, Boating speed limit maps, Bridge heights and opening schedules, GPS location tracking, NOAA chart base maps, Tide station information, Coastal waters forecasts

**Features:** macOS Compatibility, 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 WakeWatch free?

WakeWatch costs $1.99, with no in-app purchases.

### Is SENTINEL TacMap free?

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

### Which has better reviews, WakeWatch or SENTINEL TacMap?

SENTINEL TacMap is rated higher. WakeWatch averages 2.2 out of 5 from 10 ratings, while SENTINEL TacMap averages 5.0 from 1 ratings.

### Do WakeWatch or SENTINEL TacMap have ads?

Neither WakeWatch nor SENTINEL TacMap shows ads.

### Which is updated more often, WakeWatch or SENTINEL TacMap?

WakeWatch ships an update every 2 months, and SENTINEL TacMap every 4 days. Most recently, WakeWatch was updated on October 20, 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.*