# CalisHabit vs fillin

The clearest difference is in-app purchases: fillin at none against CalisHabit's 2. CalisHabit's advantage is update cadence (every 2 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CalisHabit sells 2 in-app purchases, starting at $0.99 per month. fillin asks for nothing beyond the download.

CalisHabit ships an update every 2 weeks, fillin every 2 months. The most recent releases landed on October 13, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | CalisHabit | fillin |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Size | 52 MB | 10 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [WINSTON ZYLER PEPITO](https://appshunter.io/developer/1896672850) | [Aimgonna Inc.](https://appshunter.io/developer/6780927794) |

## What reviewers say

### CalisHabit

[App page](https://appshunter.io/ios/app/calishabit/id6769606185)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CalisHabit Premium Monthly | $0.99 | per month |
| CalisHabit Premium Yearly | $6.99 | per year |


### 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 CalisHabit free?

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

### Is fillin free?

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

### Do CalisHabit or fillin have ads?

Neither CalisHabit nor fillin shows ads.

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

CalisHabit ships an update every 2 weeks, and fillin every 2 months. Most recently, CalisHabit was updated on October 13, 2026 and fillin on October 28, 2026.

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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.*