# IO vs SpendFlow Pro

The clearest difference is price: IO at Free against SpendFlow Pro's $2.99. SpendFlow Pro's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

IO is free to download; SpendFlow Pro costs $2.99 up front. IO sells 1 one-off in-app purchase. SpendFlow Pro asks for nothing beyond the download.

## The numbers

| Metric | IO | SpendFlow Pro |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Size | 15 MB | 3 MB |
| Requires iOS | 17.6 | **17** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | +4 | 9+ |
| Developer | [CJ Solution UG (haftungsbeschraenkt)](https://appshunter.io/developer/1870234861) | [贺 周](https://appshunter.io/developer/1815397078) |

## What reviewers say

### IO

[App page](https://appshunter.io/ios/app/io-inspector/id6758009180)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version Lifetime | $17.99 | one-time |


### SpendFlow Pro

[App page](https://appshunter.io/ios/app/spendflow-pro/id6762550435)

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

**In-app purchases:** none


## Frequently asked questions

### Is IO free?

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

### Is SpendFlow Pro free?

SpendFlow Pro costs $2.99, with no in-app purchases.

### Do IO or SpendFlow Pro have ads?

Neither IO nor SpendFlow Pro shows ads.

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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.*