# eco.Track vs Solmi

The clearest difference is in-app purchases: eco.Track at none against Solmi's 6. Solmi's advantage is update cadence (every 9 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Solmi sells 6 in-app purchases, starting at $3.99 per month. eco.Track asks for nothing beyond the download.

eco.Track ships an update every 3 weeks, Solmi every 9 days. The most recent releases landed on October 2, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | eco.Track | Solmi |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | Free | — |
| Size | 77 MB | 212 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ittrust](https://appshunter.io/developer/1492732383) | [SOLLMI S.R.L](https://appshunter.io/developer/6780771123) |

## What reviewers say

### eco.Track

[App page](https://appshunter.io/ios/app/ecotrack/id1594081468)

This app helps you track your carbon footprint from urban mobility, rewarding green kilometers with social engagement points and medals. It gamifies sustainable travel, showing CO2 saved and calories burned, with future plans for redeeming points for cultural rewards.

**Highlights:** Carbon footprint evaluation, Green gamification, Track walking, cycling, public transport, CO2 saved calculation, Social engagement points, Medals and leaderboards, Calorie tracking

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

**In-app purchases:** none


### Solmi

[App page](https://appshunter.io/ios/app/solmi/id6780771121)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Solmi Standard (Monthly) | $3.99 | per month |
| Solmi Pro (Monthly) | $7.99 | per month |
| Solmi Premium (Monthly) | $9.99 | per month |
| Solmi Premium (Yearly) | $44.99 | per year |
| Solmi Pro (Yearly) | $79.99 | per year |
| Solmi Premium (Yearly) | $99.00 | per year |


## Frequently asked questions

### Is eco.Track free?

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

### Is Solmi free?

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

### Do eco.Track or Solmi have ads?

Neither eco.Track nor Solmi shows ads.

### Which is updated more often, eco.Track or Solmi?

eco.Track ships an update every 3 weeks, and Solmi every 9 days. Most recently, eco.Track was updated on October 2, 2026 and Solmi on October 9, 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.*