# EcoStar III vs LiquidSpring

The clearest difference is update cadence: LiquidSpring at every 4 months against EcoStar III's every 35 months. On price, ads, in-app purchases and device support there is nothing between them.

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

EcoStar III ships an update every 35 months, LiquidSpring every 4 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | EcoStar III | LiquidSpring |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (3 ratings)](https://appshunter.io/ios/app/ecostar-iii/id1545686967/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 35 months | **Every 4 months** |
| Monetization | Free | — |
| Size | 6 MB | 78 MB |
| Requires iOS | 15.6 | **14.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Intermotive Inc](https://appshunter.io/developer/1526380552) | [LiquidSpring](https://appshunter.io/developer/1690587817) |

## What reviewers say

### EcoStar III

[App page](https://appshunter.io/ios/app/ecostar-iii/id1545686967)

Monitor and manage your vehicle's idle reduction system. Track idle time, view real-time vehicle data, and adjust system configurations. Optimize fuel efficiency and gain insights into your vehicle's performance.

**Highlights:** Real-time idle time tracking, Idle reduction statistics calculation, Module configuration retrieval and modification, Real-time vehicle data display, Diagnostic information access

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

**In-app purchases:** none


### LiquidSpring

[App page](https://appshunter.io/ios/app/liquidspring/id6449782295)

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

**In-app purchases:** none


## Frequently asked questions

### Is EcoStar III free?

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

### Is LiquidSpring free?

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

### Do EcoStar III or LiquidSpring have ads?

Neither EcoStar III nor LiquidSpring shows ads.

### Which is updated more often, EcoStar III or LiquidSpring?

EcoStar III ships an update every 35 months, and LiquidSpring every 4 months. Most recently, EcoStar III was updated on November 3, 2026 and LiquidSpring 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.*