# CannVerify vs Mars Legacy

The clearest difference is review sentiment: CannVerify at 57% against Mars Legacy's 12%. CannVerify also leads on rating (4.0 vs 1.3). Mars Legacy's advantage is update cadence (monthly vs every 24 months) and ratings volume (71 vs 16). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CannVerify holds the better App Store score, 4.0 against 1.3. Both are backed by a comparable volume of ratings — 16 and 71 respectively. Written reviews point the same way: 57% of CannVerify's written reviews are positive against 12% of Mars Legacy's.

CannVerify ships an update every 24 months, Mars Legacy monthly. The most recent releases landed on October 20, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | CannVerify | Mars Legacy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (16 ratings)](https://appshunter.io/ios/app/cannverify/id1437044541/reviews)** | [1.3 (71 ratings)](https://appshunter.io/ios/app/mars-legacy/id1612237275/reviews) |
| Number of ratings | 16 | **71** |
| Positive reviews | **57.1% of reviews** | 12.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | **Monthly** |
| Monetization | Free | Free |
| Size | 16 MB | 59 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [CannVerify LLC](https://appshunter.io/developer/1437044540) | [MARS TRADING RCC, INC.](https://appshunter.io/developer/1726858942) |

## What reviewers say

### CannVerify

[App page](https://appshunter.io/ios/app/cannverify/id1437044541)

This app helps consumers verify the authenticity of cannabis products. Scan QR codes or enter serial numbers to confirm product details and protect against counterfeits.

**Highlights:** Product authenticity verification, QR code scanner, Manual serial number entry, View product details, Anti-counterfeit system

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is CannVerify free?

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

### Is Mars Legacy free?

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

### Which has better reviews, CannVerify or Mars Legacy?

CannVerify is rated higher. CannVerify averages 4.0 out of 5 from 16 ratings, while Mars Legacy averages 1.3 from 71 ratings.

### Do CannVerify or Mars Legacy have ads?

Neither CannVerify nor Mars Legacy shows ads.

### Which is updated more often, CannVerify or Mars Legacy?

CannVerify ships an update every 24 months, and Mars Legacy monthly. Most recently, CannVerify was updated on October 20, 2026 and Mars Legacy on October 22, 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.*