# Billie vs Moss

The clearest difference is in-app purchases: Moss at none against Billie's 1. Moss also leads on update cadence (every 5 days vs every 2 weeks). Billie's advantage is iOS requirement (13.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. Billie sells 1 one-off in-app purchase. Moss asks for nothing beyond the download.

Billie ships an update every 2 weeks, Moss every 5 days. The most recent releases landed on October 11, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Billie | Moss |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Size | 23 MB | 40 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yunseok Lee](https://appshunter.io/developer/1884613302) | [Yemin Lee](https://appshunter.io/developer/1811919257) |

## What reviewers say

### Billie

[App page](https://appshunter.io/ios/app/billie-subscription-tracker/id6760472738)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Billie Premium | $9.99 | one-time |


### Moss

[App page](https://appshunter.io/ios/app/moss/id6760577624)

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

**In-app purchases:** none


## Frequently asked questions

### Is Billie free?

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

### Is Moss free?

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

### Do Billie or Moss have ads?

Neither Billie nor Moss shows ads.

### Which is updated more often, Billie or Moss?

Billie ships an update every 2 weeks, and Moss every 5 days. Most recently, Billie was updated on October 11, 2026 and Moss on October 12, 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.*