# ping vs Commaday

The clearest difference is in-app purchases: ping at none against Commaday's 1. ping also leads on ads (none vs shown) and update cadence (every 2 days vs every 9 days). On price, device support and iOS requirement there is nothing between them.

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

ping ships an update every 2 days, Commaday every 9 days. The most recent releases landed on October 25, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | ping | Commaday |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Every 9 days |
| Monetization | — | Ad-supported |
| Size | 41 MB | 78 MB |
| Requires iOS | 16.4 | 16.4 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [seungha Park](https://appshunter.io/developer/6789601489) | [WonHyeong Chang](https://appshunter.io/developer/6791676100) |

## What reviewers say

### ping

[App page](https://appshunter.io/ios/app/ping-diary/id6789601067)

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

**In-app purchases:** none


### Commaday

[App page](https://appshunter.io/ios/app/commaday-one-line-journal/id6791676098)

This app helps you build a journaling habit by encouraging you to write just one sentence a day. It offers daily prompts and a unique 'comma' system to maintain streaks, even if you miss a day. Your entries are stored locally on your device for privacy.

**Highlights:** One-sentence daily entries, Daily themes and keywords, Streak tracking with 'commas', Calendar view of entries, Local device storage, Google Drive backup option

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - All 3 Ways in one day | $9.99 | one-time |


## Frequently asked questions

### Is ping free?

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

### Is Commaday free?

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

### Do ping or Commaday have ads?

Commaday shows ads; ping does not.

### Which is updated more often, ping or Commaday?

ping ships an update every 2 days, and Commaday every 9 days. Most recently, ping was updated on October 25, 2026 and Commaday on October 29, 2026.

---

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