# Flint vs ondo.

The clearest difference is in-app purchases: ondo. at none against Flint's 2. Flint's advantage is iOS requirement (15.1 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Flint sells 2 in-app purchases, starting at $4.99 per month. ondo. asks for nothing beyond the download.

## The numbers

| Metric | Flint | ondo. |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 3 days |
| Size | 76 MB | 3 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Adam Kaminski](https://appshunter.io/developer/1859180985) | [Trinx Solutions](https://appshunter.io/developer/1890765614) |

## What reviewers say

### Flint

[App page](https://appshunter.io/ios/app/flint-adhd-brain-dump/id6761696927)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flint Pro | $4.99 | per month |
| Flint Pro Annual | $39.99 | per year |


### ondo.

[App page](https://appshunter.io/ios/app/ondo/id6763930277)

**In-app purchases:** none


## Frequently asked questions

### Is Flint free?

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

### Is ondo. free?

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

### Do Flint or ondo. have ads?

Neither Flint nor ondo. 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.*