# Billing Pro vs Osler360Admin

The clearest difference is update cadence: Osler360Admin at every 2 weeks against Billing Pro's monthly. Billing Pro's advantage is iOS requirement (9.0 vs 15.6). 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.

Billing Pro ships an update monthly, Osler360Admin every 2 weeks. The most recent releases landed on May 16, 2026 and May 19, 2026 respectively.

## The numbers

| Metric | Billing Pro | Osler360Admin |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Size | 64 MB | 24 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Robert Chen](https://appshunter.io/developer/1541052785) | [Osler360 Corp](https://appshunter.io/developer/1771657781) |

## What reviewers say

### Billing Pro

[App page](https://appshunter.io/ios/app/billing-pro/id1541052783)

**Features:** macOS Compatibility

**In-app purchases:** none


### Osler360Admin

[App page](https://appshunter.io/ios/app/osler360admin/id6737121194)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Billing Pro free?

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

### Is Osler360Admin free?

Osler360Admin is free to download, with no in-app purchases.

### Do Billing Pro or Osler360Admin have ads?

Neither Billing Pro nor Osler360Admin shows ads.

### Which is updated more often, Billing Pro or Osler360Admin?

Billing Pro ships an update monthly, and Osler360Admin every 2 weeks. Most recently, Billing Pro was updated on May 16, 2026 and Osler360Admin on May 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.*