# XLFlow vs Comet

The clearest difference is price: Comet at Free against XLFlow's $8.99. Comet also leads on update cadence (weekly vs every 3 months). XLFlow's advantage is in-app purchases (none vs 3) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Comet is free to download; XLFlow costs $8.99 up front. Comet sells 3 in-app purchases, starting at $9.99 per year. XLFlow asks for nothing beyond the download.

XLFlow ships an update every 3 months, Comet weekly. The most recent releases landed on September 18, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | XLFlow | Comet |
| --- | --- | --- |
| Price | $8.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Weekly** |
| Size | 3 MB | 49 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Marco Tini](https://appshunter.io/developer/544232459) | [App Santa LLC](https://appshunter.io/developer/1796930400) |

## What reviewers say

### XLFlow

[App page](https://appshunter.io/ios/app/xlflow/id6748160682)

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

**In-app purchases:** none


### Comet

[App page](https://appshunter.io/ios/app/comet-habit-tracker/id6755671978)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly Offer | $9.99 | per year |
| Yearly Plan | $19.99 | per year |
| Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is XLFlow free?

XLFlow costs $8.99, with no in-app purchases.

### Is Comet free?

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

### Do XLFlow or Comet have ads?

Comet shows ads; XLFlow does not.

### Which is updated more often, XLFlow or Comet?

XLFlow ships an update every 3 months, and Comet weekly. Most recently, XLFlow was updated on September 18, 2026 and Comet on September 11, 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.*