# Stonnington Libraries vs Co

The clearest difference is review sentiment: Co at 100% against Stonnington Libraries's 50%. Co also leads on update cadence (every 2 days vs every 2 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Stonnington Libraries ships an update every 2 months, Co every 2 days. The most recent releases landed on September 25, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Stonnington Libraries | Co |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free | Free |
| Size | 50 MB | 31 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Stonnington City Council](https://appshunter.io/developer/1586086620) | [Ecodia Code](https://appshunter.io/developer/1881769122) |

## What reviewers say

### Stonnington Libraries

[App page](https://appshunter.io/ios/app/stonnington-libraries/id1199575034)

Manage your library account on the go. Search the catalog, renew borrowed items, and place holds on new books directly from your mobile device.

**Highlights:** Account management, Catalog search, Book renewals, Item reservations, Mobile access

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

**In-app purchases:** none


### Co

[App page](https://appshunter.io/ios/app/co-exist/id6760897574)

This app connects young Australians with local conservation events like tree planting and cleanups. Discover volunteer opportunities, join community groups, and track your positive environmental impact. It's designed to make environmental action accessible and rewarding.

**Highlights:** Find local conservation events, Join volunteer Collectives, Track conservation impact, Earn achievements, Community chat features

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

**In-app purchases:** none


## Frequently asked questions

### Is Stonnington Libraries free?

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

### Is Co free?

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

### Do Stonnington Libraries or Co have ads?

Neither Stonnington Libraries nor Co shows ads.

### Which is updated more often, Stonnington Libraries or Co?

Stonnington Libraries ships an update every 2 months, and Co every 2 days. Most recently, Stonnington Libraries was updated on September 25, 2026 and Co on October 7, 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.*