# Quantify vs EcoTeen

The clearest difference is update cadence: Quantify at daily against EcoTeen's every 4 months. On price, rating, review sentiment and ratings volume there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Quantify against 5.0 for EcoTeen. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Quantify ships an update daily, EcoTeen every 4 months. The most recent releases landed on October 7, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Quantify | EcoTeen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/quantify-optimize-life/id6480232018/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/ecoteen/id6744132532/reviews) |
| Number of ratings | 2 | **4** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 4 months |
| Monetization | Free | Free |
| Size | 20 MB | 3 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nicole Blair Stoddart](https://appshunter.io/developer/1738530435) | [Taranbirsingh Chadha](https://appshunter.io/developer/1806238222) |

## What reviewers say

### Quantify

[App page](https://appshunter.io/ios/app/quantify-optimize-life/id6480232018)

This app allows users to create custom data trackers for any aspect of their lives. Visualize your progress with real-time charts and analyze relationships between different variables. Securely sync your data across devices with cloud backup.

**Highlights:** Custom trackers (numeric, text, boolean, timestamp), Real-time line charts, Correlation analysis with p-values, Cloud sync across devices, Secure sign-in with Apple/Google

**Features:** macOS Compatibility

**In-app purchases:** none


### EcoTeen

[App page](https://appshunter.io/ios/app/ecoteen/id6744132532)

This app helps young people understand and reduce their environmental impact. It features a built-in carbon calculator tailored for teens, tracks footprint over time with insights, and offers personalized eco-friendly tips.

**Highlights:** Teen-tailored carbon calculator, Footprint tracking with graphs, Personalized eco-tips, Understand environmental impact, Track habits easily

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Quantify free?

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

### Is EcoTeen free?

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

### Which has better reviews, Quantify or EcoTeen?

Quantify and EcoTeen are both rated 5.0 out of 5 on the App Store, from 2 and 4 ratings respectively.

### Do Quantify or EcoTeen have ads?

Neither Quantify nor EcoTeen shows ads.

### Which is updated more often, Quantify or EcoTeen?

Quantify ships an update daily, and EcoTeen every 4 months. Most recently, Quantify was updated on October 7, 2026 and EcoTeen on October 17, 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.*