# Sustain Program vs CellBadge

The clearest difference is update cadence: Sustain Program at monthly against CellBadge's every 14 months. CellBadge's advantage is rating (2.3 vs 2.0). On price, ratings volume, 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.

CellBadge holds the better App Store score, 2.3 against 2.0. Both are backed by a comparable volume of ratings — 4 and 11 respectively.

Sustain Program ships an update monthly, CellBadge every 14 months. The most recent releases landed on June 6, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Sustain Program | CellBadge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (4 ratings)](https://appshunter.io/ios/app/sustain-program/id1535036436/reviews) | **[2.3 (11 ratings)](https://appshunter.io/ios/app/cellbadge/id1550078733/reviews)** |
| Number of ratings | 4 | **11** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 14 months |
| Monetization | Free | Free |
| Size | 56 MB | 11 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Health Enhancement Systems](https://appshunter.io/developer/453599280) | [CallBadge](https://appshunter.io/developer/1462384860) |

## 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

**In-app purchases:** none


### CellBadge

[App page](https://appshunter.io/ios/app/cellbadge/id1550078733)

This app grants registered users access to various community amenities like pools, sports courts, and parks. It offers a paperless registration process and allows remote control of gates and doors using Bluetooth locks, even without AC power or WiFi.

**Highlights:** Access community amenities, Paperless online registration, Remote gate and door control, Bluetooth lock integration, Check access status, View approved locations

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sustain Program free?

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

### Is CellBadge free?

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

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

CellBadge is rated higher. Sustain Program averages 2.0 out of 5 from 4 ratings, while CellBadge averages 2.3 from 11 ratings.

### Do Sustain Program or CellBadge have ads?

Neither Sustain Program nor CellBadge shows ads.

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

Sustain Program ships an update monthly, and CellBadge every 14 months. Most recently, Sustain Program was updated on June 6, 2026 and CellBadge on September 20, 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.*