# fillin vs SuppTrack

The clearest difference is in-app purchases: fillin at none against SuppTrack's 3. SuppTrack's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.6). On price, update cadence and ads there is nothing between them.

Both are free to download. SuppTrack sells 3 in-app purchases, starting at $1.99 per month. fillin asks for nothing beyond the download.

fillin ships an update every 2 months, SuppTrack every 4 weeks. The most recent releases landed on October 14, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | fillin | SuppTrack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Size | 10 MB | 98 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Aimgonna Inc.](https://appshunter.io/developer/6780927794) | [Hilmi Cihan Yildirim](https://appshunter.io/developer/1613168522) |

## What reviewers say

### fillin

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

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

**In-app purchases:** none


### SuppTrack

[App page](https://appshunter.io/ios/app/supptrack-supplement-tracker/id6795140577)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly | $1.99 | per month |
| Premium Yearly | $14.00 | per year |
| Premium Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is fillin free?

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

### Is SuppTrack free?

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

### Do fillin or SuppTrack have ads?

Neither fillin nor SuppTrack shows ads.

### Which is updated more often, fillin or SuppTrack?

fillin ships an update every 2 months, and SuppTrack every 4 weeks. Most recently, fillin was updated on October 14, 2026 and SuppTrack on October 16, 2026.

---

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