# SAS Survival Guide vs GrassMaster

The clearest difference is review sentiment: SAS Survival Guide at 68% against GrassMaster's 33%. SAS Survival Guide also leads on chart position (#87 vs unranked). GrassMaster's advantage is in-app purchases (none vs 2) and price ($2.99 vs $5.99). On update cadence, ads and device support there is nothing between them.

SAS Survival Guide costs $5.99 and GrassMaster $2.99 up front. SAS Survival Guide sells 2 one-off in-app purchases. GrassMaster asks for nothing beyond the download.

SAS Survival Guide ships an update every 4 months, GrassMaster every 7 months. The most recent releases landed on November 1, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | SAS Survival Guide | GrassMaster |
| --- | --- | --- |
| Price | $5.99 | **$2.99** |
| Rating | **[2.6 (70 ratings)](https://appshunter.io/ios/app/sas-survival-guide/id357811968/reviews)** | — |
| Number of ratings | **70** | — |
| Positive reviews | **68.5% of reviews** | 33.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 7 months |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | **#87** | — |
| Size | 183 MB | 5 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Trellisys.net](https://appshunter.io/developer/327320942) | [John Lullie](https://appshunter.io/developer/370571602) |

## What reviewers say

### SAS Survival Guide

[App page](https://appshunter.io/ios/app/sas-survival-guide/id357811968)

**Currently charting:** #87 Top Paid · Lifestyle (US App Store)

Learn essential survival skills from a former SAS soldier. This comprehensive guide offers expert advice on wilderness and urban survival, including first aid, navigation, and identifying plants and animals. Test your knowledge with quizzes and checklists.

**Highlights:** Full text of bestselling survival book, Survival tip videos, Photo galleries of flora, fauna, and knots, Morse code signaling device, Survival quizzes and checklists, Sun compass and search tool, Extreme climate survival sections, Urban survival tips

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Urban SAS | $3.99 | one-time |
| SAS Survival Guide | $3.99 | one-time |

**What reviewers like**

- 🚀 Comprehensive survival guide
- 📚 Detailed information and videos
- 🗺️ Useful tools like sun compass
- 💡 Valuable life-saving knowledge
- 👍 Easy to navigate and read

**What reviewers complain about**

- 🐛 Crashes and freezes on newer devices
- 🔋 Requires internet connection for full functionality
- 🔍 Outdated information in some areas
- 🤔 Needs more customization for different environments

**Reported bugs**

- App crashes on startup after recent updates
- Inability to access purchased content
- Compass feature not working correctly

**Requested features**

- Offline mode for full access without internet
- More videos and interactive content
- Tailored information for specific regions/climates
- Improved search and bookmarking functionality


### GrassMaster

[App page](https://appshunter.io/ios/app/grassmaster/id386256016)

This app provides expert lawn care guidance, including fertilization, watering, and disease treatment. It features calculators for sod and mulch estimates, and offers detailed schedules for various grass types.

**Highlights:** Professional lawn maintenance methods, Sod and mulching material calculators, Weed and disease identification with reference images, Fertilizing schedules for common grass types, Exportable fertilization schedules for calendars, Covers 8 common turf grass types

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SAS Survival Guide free?

SAS Survival Guide costs $5.99, and also offers in-app purchases.

### Is GrassMaster free?

GrassMaster costs $2.99, with no in-app purchases.

### Do SAS Survival Guide or GrassMaster have ads?

Neither SAS Survival Guide nor GrassMaster shows ads.

### Which is updated more often, SAS Survival Guide or GrassMaster?

SAS Survival Guide ships an update every 4 months, and GrassMaster every 7 months. Most recently, SAS Survival Guide was updated on November 1, 2026 and GrassMaster on October 29, 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.*