# OnDose vs fillin

The clearest difference is in-app purchases: fillin at none against OnDose's 1. OnDose's advantage is iOS requirement (15.1 vs 17.6). On price there is nothing between them.

Both are free to download. OnDose sells 1 in-app purchase, starting at $7.99 per month. fillin asks for nothing beyond the download.

## The numbers

| Metric | OnDose | fillin |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | — | No |
| Update frequency | — | Every 2 months |
| Size | 43 MB | 10 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | — | **iPhone** |
| Age rating | 12+ | 12+ |
| Developer | [Sidney Ottelohe](https://appshunter.io/developer/1880135207) | [Aimgonna Inc.](https://appshunter.io/developer/6780927794) |

## What reviewers say

### OnDose

[App page](https://appshunter.io/ios/app/ondose-stack-manager/id6759676991)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OnDose Monthly | $7.99 | per month |


### fillin

[App page](https://appshunter.io/ios/app/fillin-supplement-tracker/id6780927792)

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

**In-app purchases:** none


## Frequently asked questions

### Is OnDose free?

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

### Is fillin free?

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

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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.*