# Legacy View vs EcoTracker by Ecosense

The clearest difference is update cadence: Legacy View at every 3 weeks against EcoTracker by Ecosense's every 6 months. Legacy View also leads on ratings volume (5.7K vs 1). EcoTracker by Ecosense's advantage is rating (5.0 vs 4.7). 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.

EcoTracker by Ecosense holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Legacy View has 5.7K ratings behind it against 1, so its average is the more settled of the two.

Legacy View ships an update every 3 weeks, EcoTracker by Ecosense every 6 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Legacy View | EcoTracker by Ecosense |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (5.7K ratings)](https://appshunter.io/ios/app/legacy-view/id1156891572/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ecotracker-by-ecosense/id1572238248/reviews)** |
| Number of ratings | **5.7K** | 1 |
| Positive reviews | 45.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 months |
| Monetization | Free | Free |
| Size | 31 MB | 7 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chandler Systems, Inc.](https://appshunter.io/developer/1156891571) | [Ecosense Inc.](https://appshunter.io/developer/1511229517) |

## What reviewers say

### Legacy View

[App page](https://appshunter.io/ios/app/legacy-view/id1156891572)

Monitor and control your Chandler Systems water treatment system with ease. View system settings, track water usage, and initiate cycles remotely. Connect to multiple valves from a single device and update valve firmware.

**Highlights:** View valve settings and status, Change valve settings remotely, Monitor water usage, Initiate regeneration/backwash cycles, Connect to multiple valves, Update valve firmware

**Features:** macOS Compatibility

**In-app purchases:** none


### EcoTracker by Ecosense

[App page](https://appshunter.io/ios/app/ecotracker-by-ecosense/id1572238248)

This app works with specialized devices to measure radon levels simultaneously across multiple locations. It provides instant readings, detailed trend analysis, and a centralized overview of radon data for professionals. Requires purchase of EcoTracker devices to function.

**Highlights:** Instant radon readings via BLE, Monitor up to four detectors simultaneously, Centralized overview of multiple devices, Detailed radon trend analysis, Fast sniff mode within 5 minutes, Wide measurement range up to 255 pCi/L

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Legacy View free?

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

### Is EcoTracker by Ecosense free?

EcoTracker by Ecosense is free to download, with no in-app purchases.

### Which has better reviews, Legacy View or EcoTracker by Ecosense?

EcoTracker by Ecosense is rated higher. Legacy View averages 4.7 out of 5 from 5.7K ratings, while EcoTracker by Ecosense averages 5.0 from 1 ratings.

### Do Legacy View or EcoTracker by Ecosense have ads?

Neither Legacy View nor EcoTracker by Ecosense shows ads.

### Which is updated more often, Legacy View or EcoTracker by Ecosense?

Legacy View ships an update every 3 weeks, and EcoTracker by Ecosense every 6 months. Most recently, Legacy View was updated on November 6, 2026 and EcoTracker by Ecosense on November 3, 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.*