# Ecodrip vs Tank Measure

The clearest difference is in-app purchases: Ecodrip at none against Tank Measure's 3. Tank Measure's advantage is update cadence (every 3 weeks vs every 40 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Tank Measure sells 3 in-app purchases, starting at $1.99 per month. Ecodrip asks for nothing beyond the download.

Ecodrip ships an update every 40 months, Tank Measure every 3 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Ecodrip | Tank Measure |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (54 ratings)](https://appshunter.io/ios/app/tank-measure-volume-calc/id6449375033/reviews)** |
| Number of ratings | — | **54** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 40 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 10 MB |
| Requires iOS | **16.2** | 16.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Luciano Nico Acosta](https://appshunter.io/developer/1409909480) | [Vladislav Zhirnov](https://appshunter.io/developer/1476188065) |

## What reviewers say

### Ecodrip

[App page](https://appshunter.io/ios/app/ecodrip/id1409909481)

**Features:** macOS Compatibility

**In-app purchases:** none


### Tank Measure

[App page](https://appshunter.io/ios/app/tank-measure-volume-calc/id6449375033)

Calculate the volume of various tank shapes with precision and ease. This user-friendly tool supports a wide range of tank types and units, making it ideal for professionals and DIY enthusiasts alike. It offers advanced algorithms for accuracy and is optimized for efficiency on your device.

**Highlights:** Multiple tank shape calculators, High precision volume calculations, User-friendly interface, Support for diverse units, Thermal expansion calculator, Flow rate calculator

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version / monthly | $1.99 | per month |
| Full version / year | $3.99 | per year |
| Remove ADS | $7.99 | one-time |


## Frequently asked questions

### Is Ecodrip free?

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

### Is Tank Measure free?

Tank Measure is free to download, with in-app purchases available.

### Do Ecodrip or Tank Measure have ads?

Neither Ecodrip nor Tank Measure shows ads.

### Which is updated more often, Ecodrip or Tank Measure?

Ecodrip ships an update every 40 months, and Tank Measure every 3 weeks. Most recently, Ecodrip was updated on November 2, 2026 and Tank Measure 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.*