# GoGreen Guide vs Sustain Program

The clearest difference is iOS requirement: GoGreen Guide at 10.0 against Sustain Program's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

GoGreen Guide ships an update every 5 weeks, Sustain Program monthly. Both last shipped on October 2, 2026.

## The numbers

| Metric | GoGreen Guide | Sustain Program |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (4 ratings)](https://appshunter.io/ios/app/sustain-program/id1535036436/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | — | Free |
| Size | 40 MB | 56 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pia Rathsach](https://appshunter.io/developer/1380631262) | [Health Enhancement Systems](https://appshunter.io/developer/453599280) |

## What reviewers say

### GoGreen Guide

[App page](https://appshunter.io/ios/app/gogreen-guide/id1380631263)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sustain Program

[App page](https://appshunter.io/ios/app/sustain-program/id1535036436)

Learn to make everyday choices that benefit your health and the environment. This program helps you reduce your ecological footprint, conserve resources, and combat climate change while improving personal well-being and saving money. Personalize your experience to focus on areas like nature connection, waste reduction, advocacy, or sustainable eating.

**Highlights:** Reduce ecological footprint, Conserve natural resources, Lessen climate change impact, Enhance personal well-being, Save money, Personalized experience, Daily tips and recipes

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is GoGreen Guide free?

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

### Is Sustain Program free?

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

### Do GoGreen Guide or Sustain Program have ads?

Neither GoGreen Guide nor Sustain Program shows ads.

### Which is updated more often, GoGreen Guide or Sustain Program?

GoGreen Guide ships an update every 5 weeks, and Sustain Program monthly. Most recently, GoGreen Guide was updated on October 2, 2026 and Sustain Program on October 2, 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.*