# Onecharge Greenpill vs The Sustainer

The clearest difference is update cadence: The Sustainer at every 8 months against Onecharge Greenpill's every 21 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Onecharge Greenpill ships an update every 21 months, The Sustainer every 8 months. The most recent releases landed on October 30, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Onecharge Greenpill | The Sustainer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 8 months** |
| Size | 93 MB | 64 MB |
| Requires iOS | **12.4** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Vikash Maheshwari](https://appshunter.io/developer/1598888628) | [ENVO-SUSTAINER PRIVATE LIMITED](https://appshunter.io/developer/1680880040) |

## What reviewers say

### Onecharge Greenpill

[App page](https://appshunter.io/ios/app/onecharge-greenpill/id1623545299)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### The Sustainer

[App page](https://appshunter.io/ios/app/the-sustainer/id6447298071)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Onecharge Greenpill free?

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

### Is The Sustainer free?

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

### Do Onecharge Greenpill or The Sustainer have ads?

Neither Onecharge Greenpill nor The Sustainer shows ads.

### Which is updated more often, Onecharge Greenpill or The Sustainer?

Onecharge Greenpill ships an update every 21 months, and The Sustainer every 8 months. Most recently, Onecharge Greenpill was updated on October 30, 2026 and The Sustainer on November 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*