# Sustain Program vs BRight

The clearest difference is rating: BRight at 5.0 against Sustain Program's 2.0. On price, ratings volume, update cadence and ads there is nothing between them.

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

BRight holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 4 and 2 respectively.

Sustain Program ships an update monthly, BRight every 3 weeks. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Sustain Program | BRight |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (4 ratings)](https://appshunter.io/ios/app/sustain-program/id1535036436/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/bright-positive-eco-impact/id6446350014/reviews)** |
| Number of ratings | **4** | 2 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 56 MB | 10 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Health Enhancement Systems](https://appshunter.io/developer/453599280) | [Bright Data](https://appshunter.io/developer/1598915051) |

## What reviewers say

### 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


### BRight

[App page](https://appshunter.io/ios/app/bright-positive-eco-impact/id6446350014)

Contribute to environmental change by planting trees through engaging surveys on your smartphone. Track your progress and see the real-world impact of your actions in creating a greener planet.

**Highlights:** Plant trees by taking surveys, Combat climate change, Track planting progress, Partner with environmental organizations, Create habitats for wildlife, Improve air quality

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

**In-app purchases:** none


## Frequently asked questions

### Is Sustain Program free?

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

### Is BRight free?

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

### Which has better reviews, Sustain Program or BRight?

BRight is rated higher. Sustain Program averages 2.0 out of 5 from 4 ratings, while BRight averages 5.0 from 2 ratings.

### Do Sustain Program or BRight have ads?

Neither Sustain Program nor BRight shows ads.

### Which is updated more often, Sustain Program or BRight?

Sustain Program ships an update monthly, and BRight every 3 weeks. Most recently, Sustain Program was updated on October 19, 2026 and BRight on October 24, 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.*