# Ecodrip vs Standard Deviation Calc

The clearest difference is in-app purchases: Ecodrip at none against Standard Deviation Calc's 1. Standard Deviation Calc's advantage is update cadence (every 5 months vs every 40 months) and iOS requirement (14.0 vs 16.2). On price, ads and device support there is nothing between them.

Both are free to download. Standard Deviation Calc sells 1 one-off in-app purchase. Ecodrip asks for nothing beyond the download.

Ecodrip ships an update every 40 months, Standard Deviation Calc every 5 months. The most recent releases landed on September 17, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Ecodrip | Standard Deviation Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (11 ratings)](https://appshunter.io/ios/app/standard-deviation-calc-sd/id1497525733/reviews)** |
| Number of ratings | — | **11** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 40 months | **Every 5 months** |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 2 MB |
| Requires iOS | 16.2 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Luciano Nico Acosta](https://appshunter.io/developer/1409909480) | [Phan Nhat Đang](https://appshunter.io/developer/1437390098) |

## What reviewers say

### Ecodrip

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Standard Deviation Calc

[App page](https://appshunter.io/ios/app/standard-deviation-calc-sd/id1497525733)

Calculate standard deviation for sample or population data. Input numerical values to find standard deviation, count, sum, mean, variance, and more. Get quick statistical insights with this easy-to-use tool.

**Highlights:** Calculate standard deviation, Sample or population data, Compute mean and variance, Count numerical values, Sum of numbers, List of differences

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $1.99 | one-time |


## Frequently asked questions

### Is Ecodrip free?

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

### Is Standard Deviation Calc free?

Standard Deviation Calc is free to download, with in-app purchases available.

### Do Ecodrip or Standard Deviation Calc have ads?

Neither Ecodrip nor Standard Deviation Calc shows ads.

### Which is updated more often, Ecodrip or Standard Deviation Calc?

Ecodrip ships an update every 40 months, and Standard Deviation Calc every 5 months. Most recently, Ecodrip was updated on September 17, 2026 and Standard Deviation Calc on September 21, 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.*