# ObieAlert vs OhioLINK Libraries

The clearest difference is update cadence: OhioLINK Libraries at monthly against ObieAlert's every 18 months. ObieAlert's advantage is iOS requirement (15.6 vs 17.4). 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.

ObieAlert ships an update every 18 months, OhioLINK Libraries monthly. The most recent releases landed on October 15, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | ObieAlert | OhioLINK Libraries |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Monthly** |
| Size | 29 MB | 84 MB |
| Requires iOS | **15.6** | 17.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Oberlin College](https://appshunter.io/developer/634001012) | [Ex Libris LTD](https://appshunter.io/developer/1095433456) |

## What reviewers say

### ObieAlert

[App page](https://appshunter.io/ios/app/obiealert/id6677005639)

**In-app purchases:** none


### OhioLINK Libraries

[App page](https://appshunter.io/ios/app/ohiolink-libraries/id6738199520)

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

**In-app purchases:** none


## Frequently asked questions

### Is ObieAlert free?

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

### Is OhioLINK Libraries free?

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

### Do ObieAlert or OhioLINK Libraries have ads?

Neither ObieAlert nor OhioLINK Libraries shows ads.

### Which is updated more often, ObieAlert or OhioLINK Libraries?

ObieAlert ships an update every 18 months, and OhioLINK Libraries monthly. Most recently, ObieAlert was updated on October 15, 2026 and OhioLINK Libraries 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.*