# Kelvin TOP vs Ecostat

Kelvin TOP and Ecostat are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 19, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Kelvin TOP | Ecostat |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 35 MB | 37 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KelvinTOPSET](https://appshunter.io/developer/1491145622) | [Netgen (Pty) Ltd](https://appshunter.io/developer/1209503619) |

## What reviewers say

### Kelvin TOP

[App page](https://appshunter.io/ios/app/kelvin-top-set/id1491145623)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ecostat

[App page](https://appshunter.io/ios/app/ecostat/id1593673365)

**In-app purchases:** none


## Frequently asked questions

### Is Kelvin TOP free?

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

### Is Ecostat free?

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

### Do Kelvin TOP or Ecostat have ads?

Neither Kelvin TOP nor Ecostat shows ads.

### Which is updated more often, Kelvin TOP or Ecostat?

Kelvin TOP ships an update every 2 months, and Ecostat every 2 months. Most recently, Kelvin TOP was updated on September 19, 2026 and Ecostat on September 8, 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.*