# Mars Legacy vs Grow Guide

The clearest difference is review sentiment: Grow Guide at 97% against Mars Legacy's 12%. Grow Guide also leads on rating (4.9 vs 1.3) and update cadence (weekly vs monthly). Mars Legacy's advantage is in-app purchases (none vs 3) and iOS requirement (13.0 vs 15.0). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Grow Guide sells 3 in-app purchases, starting at $5.99 per month. Mars Legacy asks for nothing beyond the download.

Grow Guide holds the better App Store score, 4.9 against 1.3. Both are backed by a comparable volume of ratings — 70 and 126 respectively. Written reviews point the same way: 12% of Mars Legacy's written reviews are positive against 97% of Grow Guide's.

Mars Legacy ships an update monthly, Grow Guide weekly. The most recent releases landed on October 14, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Mars Legacy | Grow Guide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.3 (70 ratings)](https://appshunter.io/ios/app/mars-legacy/id1612237275/reviews) | **[4.9 (126 ratings)](https://appshunter.io/ios/app/grow-guide/id6637720578/reviews)** |
| Number of ratings | 70 | **126** |
| Positive reviews | 12.2% of reviews | **96.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 59 MB | 85 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [MARS TRADING RCC, INC.](https://appshunter.io/developer/1726858942) | [phannafest llc](https://appshunter.io/developer/1209901791) |

## What reviewers say

### Mars Legacy

[App page](https://appshunter.io/ios/app/mars-legacy/id1612237275)

Control and configure your indoor grow lights remotely. Automate growth cycles with custom timers, simulate sunrise and sunset, and manage multiple lights independently from a single device. Compatible with the Mars Hydro Smart Grow System.

**Highlights:** Remote LED light control, Adjustable light intensity, Automatic growth cycle programming, Sunrise/sunset simulation, Wireless multi-light control, Independent lighting group management

**In-app purchases:** none

**What reviewers like**

- ✅ Fan control works reliably
- ⚙️ Basic on/off functionality operational
- 🎯 Good hardware quality (lights and fans)
- 💰 Reasonable price-to-quality ratio
- 📱 App concept is innovative

**What reviewers complain about**

- 🐛 Frequent disconnections (WiFi and Bluetooth)
- ⏱️ Timer functionality completely broken
- 🌅 Sunrise/sunset mode non-functional
- 🎬 Scene/automation features unreliable
- 🔄 App randomly resets or crashes

**Reported bugs**

- App cannot detect Bluetooth despite phone detecting it
- Timer settings do not execute at scheduled times
- Scenes and automation groups fail to work
- WiFi connection drops frequently and reconnection fails
- Light brightness changes unexpectedly without user input

**Requested features**

- Multiple on/off cycles per day for automation
- Daylight saving time adjustment option
- Sunrise/sunset mode with adjustable brightness levels
- Better WiFi stability and range
- Improved app interface and user experience


### Grow Guide

[App page](https://appshunter.io/ios/app/grow-guide/id6637720578)

This app helps users track their cannabis grows from seed to harvest. It offers AI-powered advice, a community forum for knowledge sharing, and professional tools like a VPD calculator and light meter. Create time-lapse videos of your plants and learn from experienced cultivators.

**Highlights:** Daily grow tracking journal, AI-powered plant advice, Time-lapse video creation, Active grower community, Professional growing tools (VPD, light meter), Nutrient and environment tracking

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Grow Guide Pro | $5.99 | per month |
| Grow Guide Pro | $39.99 | per year |
| Grow Guide Pro (LTD) | $149.00 | one-time |


## Frequently asked questions

### Is Mars Legacy free?

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

### Is Grow Guide free?

Grow Guide is free to download, with in-app purchases available.

### Which has better reviews, Mars Legacy or Grow Guide?

Grow Guide is rated higher. Mars Legacy averages 1.3 out of 5 from 70 ratings, while Grow Guide averages 4.9 from 126 ratings.

### Do Mars Legacy or Grow Guide have ads?

Neither Mars Legacy nor Grow Guide shows ads.

### Which is updated more often, Mars Legacy or Grow Guide?

Mars Legacy ships an update monthly, and Grow Guide weekly. Most recently, Mars Legacy was updated on October 14, 2026 and Grow Guide on October 19, 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.*