# susGain vs HammyNest

The clearest difference is rating: susGain at 5.0 against HammyNest's 3.0. susGain also leads on in-app purchases (none vs 2) and ratings volume (10 vs 1). HammyNest's advantage is update cadence (every 8 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. HammyNest sells 2 in-app purchases, starting at $2.99 per month. susGain asks for nothing beyond the download.

susGain holds the better App Store score, 5.0 against 3.0. That said, the two scores are not equally well evidenced: susGain has 10 ratings behind it against 1, so its average is the more settled of the two.

susGain ships an update every 2 months, HammyNest every 8 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | susGain | HammyNest |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (10 ratings)](https://appshunter.io/ios/app/susgain/id1664494870/reviews)** | [3.0 (1 ratings)](https://appshunter.io/ios/app/hammynest/id6760735030/reviews) |
| Number of ratings | **10** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | **Free** | Freemium |
| Size | 120 MB | 21 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [SUSGAIN PTE. LTD.](https://appshunter.io/developer/1509388903) | [Venetsia Krasteva](https://appshunter.io/developer/1884626023) |

## What reviewers say

### 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


### HammyNest

[App page](https://appshunter.io/ios/app/hammynest/id6760735030)

This comprehensive companion app helps hamster owners provide optimal care for their pets. It offers daily tracking, health monitoring, extensive guides, and sharing features. Premium features unlock unlimited profiles, advanced tracking, and real-time weather alerts.

**Highlights:** Daily care tracking, Health and wellness journal, Extensive hamster guides, Photo gallery and sharing, Customizable reminders, Food safety database, AI photo tagging (premium)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HammyNest Premium – Monthly | $2.99 | per month |
| HammyNest Premium – Yearly | $19.99 | per year |


## Frequently asked questions

### Is susGain free?

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

### Is HammyNest free?

HammyNest is free to download, with in-app purchases available.

### Which has better reviews, susGain or HammyNest?

susGain is rated higher. susGain averages 5.0 out of 5 from 10 ratings, while HammyNest averages 3.0 from 1 ratings.

### Do susGain or HammyNest have ads?

Neither susGain nor HammyNest shows ads.

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

susGain ships an update every 2 months, and HammyNest every 8 days. Most recently, susGain was updated on November 3, 2026 and HammyNest on October 31, 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.*