# ChargePOP vs susGain

The clearest difference is update cadence: ChargePOP at every 3 weeks against susGain's every 2 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.

ChargePOP ships an update every 3 weeks, susGain every 2 months. The most recent releases landed on October 4, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | ChargePOP | susGain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (10 ratings)](https://appshunter.io/ios/app/susgain/id1664494870/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | — | Free |
| Size | 32 MB | 120 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Xiamen whew electric technology co., LTD](https://appshunter.io/developer/1408537141) | [SUSGAIN PTE. LTD.](https://appshunter.io/developer/1509388903) |

## What reviewers say

### ChargePOP

[App page](https://appshunter.io/ios/app/chargepop/id1474790248)

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

**In-app purchases:** none


### susGain

[App page](https://appshunter.io/ios/app/susgain/id1664494870)

This app helps users adopt sustainable habits by earning points for eco-friendly actions. Points can be redeemed to support charitable causes. It also allows for organizing community challenges to track collective impact.

**Highlights:** Adopt sustainable habits, Earn points for good actions, Redeem points for causes, Organize community challenges, Measure collective impact, Track steps via HealthKit (optional)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ChargePOP free?

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

### Is susGain free?

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

### Do ChargePOP or susGain have ads?

Neither ChargePOP nor susGain shows ads.

### Which is updated more often, ChargePOP or susGain?

ChargePOP ships an update every 3 weeks, and susGain every 2 months. Most recently, ChargePOP was updated on October 4, 2026 and susGain on October 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.*