# HiddenTag For ABOUTME vs 16文字日記

The clearest difference is ads: HiddenTag For ABOUTME at none against 16文字日記's shown. HiddenTag For ABOUTME also leads on monetization model (free vs ad-supported) and iOS requirement (12.0 vs 15.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

HiddenTag For ABOUTME ships an update every 3 months, 16文字日記 every 2 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | HiddenTag For ABOUTME | 16文字日記 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hiddentag-for-aboutme/id1018123145/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | **Free** | Ad-supported |
| Size | 21 MB | 75 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CK&B](https://appshunter.io/developer/413494085) | [Kenta Fukushima](https://appshunter.io/developer/1514527789) |

## What reviewers say

### HiddenTag For ABOUTME

[App page](https://appshunter.io/ios/app/hiddentag-for-aboutme/id1018123145)

This app verifies the authenticity of products by scanning a special holographic code. It utilizes advanced anti-counterfeiting technology to ensure genuine purchases. Enjoy peace of mind with secure product verification.

**Highlights:** Scan holographic HiddenTag codes, Verify product authenticity, Anti-counterfeiting technology, Secure product verification, Dedicated authentication app

**Features:** macOS Compatibility

**In-app purchases:** none


### 16文字日記

[App page](https://appshunter.io/ios/app/16/id6448646374)

This app allows users to record their daily thoughts and memories using only 16 characters. It's designed for those who find long journaling difficult or are short on time, making it easy to maintain a daily record and review past entries.

**Highlights:** 16-character daily entries, Monthly calendar view, Writing reminders, Passcode lock, Easy to continue daily

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

**In-app purchases:** none


## Frequently asked questions

### Is HiddenTag For ABOUTME free?

HiddenTag For ABOUTME is free to download, with no in-app purchases.

### Is 16文字日記 free?

16文字日記 is free to download, with no in-app purchases.

### Do HiddenTag For ABOUTME or 16文字日記 have ads?

16文字日記 shows ads; HiddenTag For ABOUTME does not.

### Which is updated more often, HiddenTag For ABOUTME or 16文字日記?

HiddenTag For ABOUTME ships an update every 3 months, and 16文字日記 every 2 months. Most recently, HiddenTag For ABOUTME was updated on November 1, 2026 and 16文字日記 on November 3, 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.*