# Smart OK | Authorisation vs Expense Air

The clearest difference is in-app purchases: Smart OK | Authorisation at none against Expense Air's 12. Smart OK | Authorisation also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Expense Air sells 11 in-app purchases, starting at $4.99 per 7 days. Smart OK | Authorisation asks for nothing beyond the download.

Smart OK | Authorisation ships an update every 6 months, Expense Air every 4 months. The most recent releases landed on October 21, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Smart OK | Authorisation | Expense Air |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/expense-air-spending-tracker/id1608575997/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 4 months** |
| Monetization | — | Free with in-app purchases |
| Size | 69 MB | 161 MB |
| Requires iOS | **15.6** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Eastern Enterprise](https://appshunter.io/developer/599888308) | [Air Apps Systems](https://appshunter.io/developer/1316153435) |

## What reviewers say

### Smart OK | Authorisation

[App page](https://appshunter.io/ios/app/smart-ok-authorisation/id1466950203)

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

**In-app purchases:** none


### Expense Air

[App page](https://appshunter.io/ios/app/expense-air-spending-tracker/id1608575997)

This app helps you manage personal and business expenses, track income, and optimize spending. Organize your finances with customizable categories and quality icons. Monitor your current spending and stick to your financial goals.

**Highlights:** Organize and analyze expenses, Optimize spending habits, Track income and expenses, Overview of current spending, Manage custom categories, Assign icons to categories

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Air Apps One | $4.99 | per 7 days |
| Air Apps One - 1 Week | $4.99 | per 7 days |
| Air Apps One Welcome - 1 Week | $4.99 | per 7 days |
| Air Apps One - 1 Week | $5.99 | per 7 days |
| Air Apps One - 1 Week | $6.99 | per 7 days |
| Air Apps One | $9.99 | per month |
| Air Apps One - 1 Month | $9.99 | per month |
| Air Apps One - 1 Month | $19.99 | per month |
| Air Apps One | $69.99 | per year |
| Air Apps One - 1 Year | $69.99 | per year |
| Air Apps One - 1 Month | $199.99 | per month |


## Frequently asked questions

### Is Smart OK | Authorisation free?

Smart OK | Authorisation is free to download, with no in-app purchases.

### Is Expense Air free?

Expense Air is free to download, with in-app purchases available.

### Do Smart OK | Authorisation or Expense Air have ads?

Expense Air shows ads; Smart OK | Authorisation does not.

### Which is updated more often, Smart OK | Authorisation or Expense Air?

Smart OK | Authorisation ships an update every 6 months, and Expense Air every 4 months. Most recently, Smart OK | Authorisation was updated on October 21, 2026 and Expense Air on October 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*