# ThreeLinesDiary vs フリマメモ

The clearest difference is update cadence: フリマメモ at every 10 days against ThreeLinesDiary's every 6 months. ThreeLinesDiary's advantage is monetization model (ad-supported vs free with in-app purchases) and review sentiment (75% vs 67%). On price, ads, 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.

ThreeLinesDiary ships an update every 6 months, フリマメモ every 10 days. The most recent releases landed on October 10, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | ThreeLinesDiary | フリマメモ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **75.0% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 6 months | **Every 10 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 7 MB | 120 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Seiji Nagano](https://appshunter.io/developer/689628441) | [Hironori Tsumuraya](https://appshunter.io/developer/1061365194) |

## What reviewers say

### ThreeLinesDiary

[App page](https://appshunter.io/ios/app/threelinesdiary/id1161808671)

A simple journaling app designed to improve sleep quality by encouraging users to write a three-line diary entry before bed. It allows for photo attachments and provides daily reminders to help build a consistent writing habit.

**Highlights:** Three-line daily journal entries, Attach photos to entries, Daily writing reminders, Improve sleep quality, Simple and intuitive interface

**Features:** macOS Compatibility

**In-app purchases:** none


### フリマメモ

[App page](https://appshunter.io/ios/app/id6503227047)

Streamline your online selling with this app for managing product listings and transaction messages. Save templates for item descriptions, pricing, and common buyer communications to speed up your selling process across multiple platforms.

**Highlights:** Save product listings and descriptions, Manage item details like price and condition, Store and categorize transaction messages, Quickly copy text for listings and messages, Directly launch multiple flea market apps, Use pre-made selling templates

**In-app purchases:** none


## Frequently asked questions

### Is ThreeLinesDiary free?

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

### Is フリマメモ free?

フリマメモ is free to download, with no in-app purchases.

### Do ThreeLinesDiary or フリマメモ have ads?

Both ThreeLinesDiary and フリマメモ show ads.

### Which is updated more often, ThreeLinesDiary or フリマメモ?

ThreeLinesDiary ships an update every 6 months, and フリマメモ every 10 days. Most recently, ThreeLinesDiary was updated on October 10, 2026 and フリマメモ on October 19, 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.*