# ICCA vs 16文字日記

The clearest difference is ads: ICCA at none against 16文字日記's shown. ICCA also leads on iOS requirement (12.0 vs 15.0). 16文字日記's advantage is update cadence (every 2 months vs every 43 months). On price, 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.

ICCA ships an update every 43 months, 16文字日記 every 2 months. The most recent releases landed on September 10, 2026 and September 2, 2026 respectively.

## The numbers

| Metric | ICCA | 16文字日記 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 43 months | **Every 2 months** |
| Monetization | — | Ad-supported |
| Size | 18 MB | 75 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HIDENORI AMANUMA](https://appshunter.io/developer/1406329091) | [Kenta Fukushima](https://appshunter.io/developer/1514527789) |

## What reviewers say

### ICCA

[App page](https://appshunter.io/ios/app/icca/id1406329092)

**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 ICCA free?

ICCA 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 ICCA or 16文字日記 have ads?

16文字日記 shows ads; ICCA does not.

### Which is updated more often, ICCA or 16文字日記?

ICCA ships an update every 43 months, and 16文字日記 every 2 months. Most recently, ICCA was updated on September 10, 2026 and 16文字日記 on September 2, 2026.

---

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