# Conserv.io vs ACRL Events

The clearest difference is iOS requirement: Conserv.io at 12.0 against ACRL Events's 17.0. On price, update cadence, 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.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 4, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Conserv.io | ACRL Events |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (3 ratings)](https://appshunter.io/ios/app/conservio/id1471586140/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Subscription | — |
| Size | 60 MB | 68 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Conserv Solutions, Inc](https://appshunter.io/developer/1471586139) | [American Library Association](https://appshunter.io/developer/467667414) |

## What reviewers say

### Conserv.io

[App page](https://appshunter.io/ios/app/conservio/id1471586140)

This app provides a modern wireless solution for environmental monitoring in collections. It allows users to view sensor data, create observations, and add pest images from anywhere, empowering teams with real-time insights for preservation.

**Highlights:** Wireless sensor data viewing, On-the-go observation creation, Pest image logging, Team collaboration, Environmental insights

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

**In-app purchases:** none


### ACRL Events

[App page](https://appshunter.io/ios/app/acrl-events/id1672054916)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Conserv.io free?

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

### Is ACRL Events free?

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

### Do Conserv.io or ACRL Events have ads?

Neither Conserv.io nor ACRL Events shows ads.

### Which is updated more often, Conserv.io or ACRL Events?

Conserv.io ships an update every 2 months, and ACRL Events every 2 months. Most recently, Conserv.io was updated on September 4, 2026 and ACRL Events on September 12, 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.*