# Sober Days Ahead vs GreenTrax

The clearest difference is in-app purchases: Sober Days Ahead at none against GreenTrax's 4. Sober Days Ahead also leads on update cadence (every 3 days vs every 5 weeks) and ratings volume (5 vs 1). On price, rating, ads and iOS requirement there is nothing between them.

Both are free to download. GreenTrax sells 4 one-off in-app purchases. Sober Days Ahead asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Sober Days Ahead against 5.0 for GreenTrax. That said, the two scores are not equally well evidenced: Sober Days Ahead has 5 ratings behind it against 1, so its average is the more settled of the two.

Sober Days Ahead ships an update every 3 days, GreenTrax every 5 weeks. The most recent releases landed on October 14, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Sober Days Ahead | GreenTrax |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (5 ratings)](https://appshunter.io/ios/app/sober-days-ahead/id1531423586/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/greentrax/id6742363398/reviews) |
| Number of ratings | **5** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 5 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 2 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Paul Bryson](https://appshunter.io/developer/1470901598) | [Brian Buck](https://appshunter.io/developer/999869732) |

## What reviewers say

### Sober Days Ahead

[App page](https://appshunter.io/ios/app/sober-days-ahead/id1531423586)

Track your sobriety streak with this ad-free and cost-free application. It helps you maintain focus on your journey to freedom from addiction, with convenient home screen and lock screen widgets for quick progress checks.

**Highlights:** Sobriety streak tracking, Home Screen widget, Lock Screen widget, Ad-free experience, No user tracking, Free to use

**Features:** macOS Compatibility

**In-app purchases:** none


### GreenTrax

[App page](https://appshunter.io/ios/app/greentrax/id6742363398)

This app records your human-powered journeys, calculating your carbon footprint reduction. It visualizes your progress with charts and savings equivalents, and can import commute data from Strava.

**Highlights:** Tracks human-powered commutes, Calculates carbon savings, Displays savings equivalencies, Visualizes data with charts, Strava read-only import

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Nice Donation | $0.99 | one-time |
| Big Donation | $4.99 | one-time |
| Generous Donation | $9.99 | one-time |
| Supporter Donation | $19.99 | one-time |


## Frequently asked questions

### Is Sober Days Ahead free?

Sober Days Ahead is free to download, with no in-app purchases.

### Is GreenTrax free?

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

### Which has better reviews, Sober Days Ahead or GreenTrax?

Sober Days Ahead and GreenTrax are both rated 5.0 out of 5 on the App Store, from 5 and 1 ratings respectively.

### Do Sober Days Ahead or GreenTrax have ads?

Neither Sober Days Ahead nor GreenTrax shows ads.

### Which is updated more often, Sober Days Ahead or GreenTrax?

Sober Days Ahead ships an update every 3 days, and GreenTrax every 5 weeks. Most recently, Sober Days Ahead was updated on October 14, 2026 and GreenTrax on October 13, 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.*