# ACRO One Pass vs 머머 다이어리

The clearest difference is in-app purchases: ACRO One Pass at none against 머머 다이어리's 4. ACRO One Pass also leads on ads (none vs shown) and iOS requirement (11.0 vs 15.0). 머머 다이어리's advantage is update cadence (every 2 days vs every 4 weeks). On price and device support there is nothing between them.

Both are free to download. 머머 다이어리 sells 4 in-app purchases, starting at $3.99 per month. ACRO One Pass asks for nothing beyond the download.

ACRO One Pass ships an update every 4 weeks, 머머 다이어리 every 2 days. The most recent releases landed on October 11, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | ACRO One Pass | 머머 다이어리 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/acro-one-pass/id1491604144/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 weeks | **Every 2 days** |
| Monetization | Free | — |
| Size | 83 MB | 74 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [(주)블루앤](https://appshunter.io/developer/1252529871) | [주식회사 이코드](https://appshunter.io/developer/1895356148) |

## What reviewers say

### ACRO One Pass

[App page](https://appshunter.io/ios/app/acro-one-pass/id1491604144)

This application allows you to enter communal entrances using your smartphone's Bluetooth. It provides convenient access control through your mobile device.

**Highlights:** Bluetooth-enabled entry, Communal entrance access, Smartphone control, Convenient access

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

**In-app purchases:** none


### 머머 다이어리

[App page](https://appshunter.io/ios/app/ai/id6763523333)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 플러스 월간 | $3.99 | per month |
| 프로 월간 | $9.99 | per month |
| Plus 연간 | $34.99 | per year |
| 프로 연간 | $99.99 | per year |


## Frequently asked questions

### Is ACRO One Pass free?

ACRO One Pass is free to download, with no in-app purchases.

### Is 머머 다이어리 free?

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

### Do ACRO One Pass or 머머 다이어리 have ads?

머머 다이어리 shows ads; ACRO One Pass does not.

### Which is updated more often, ACRO One Pass or 머머 다이어리?

ACRO One Pass ships an update every 4 weeks, and 머머 다이어리 every 2 days. Most recently, ACRO One Pass was updated on October 11, 2026 and 머머 다이어리 on October 8, 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.*