# Monitor BPI vs AER

The clearest difference is ads: AER at none against Monitor BPI's shown. AER also leads on update cadence (every 9 days vs every 18 months). Monitor BPI's advantage is iOS requirement (12.4 vs 15.1). On price, 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.

Monitor BPI ships an update every 18 months, AER every 9 days. The most recent releases landed on September 8, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Monitor BPI | AER |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 18 months | **Every 9 days** |
| Size | 23 MB | 59 MB |
| Requires iOS | **12.4** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Advocatus SRL](https://appshunter.io/developer/1498634601) | [Verdon Solution](https://appshunter.io/developer/1732102223) |

## What reviewers say

### Monitor BPI

[App page](https://appshunter.io/ios/app/monitor-bpi/id1603815617)

**Features:** macOS Compatibility

**In-app purchases:** none


### AER

[App page](https://appshunter.io/ios/app/aer/id6770225373)

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

**In-app purchases:** none


## Frequently asked questions

### Is Monitor BPI free?

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

### Is AER free?

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

### Do Monitor BPI or AER have ads?

Monitor BPI shows ads; AER does not.

### Which is updated more often, Monitor BPI or AER?

Monitor BPI ships an update every 18 months, and AER every 9 days. Most recently, Monitor BPI was updated on September 8, 2026 and AER on September 19, 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.*