# MemDay vs 100 Year Diary Journal

The clearest difference is ads: MemDay at none against 100 Year Diary Journal's shown. 100 Year Diary Journal's advantage is update cadence (every 3 days vs every 21 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. MemDay sells 1 one-off in-app purchase and 100 Year Diary Journal sells 11 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

MemDay ships an update every 21 months, 100 Year Diary Journal every 3 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | MemDay | 100 Year Diary Journal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/memday/id6447469527/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 21 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 12 MB | 63 MB |
| Requires iOS | 17.6 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [shaojun lin](https://appshunter.io/developer/1263579053) | [HARUKARY](https://appshunter.io/developer/1854608510) |

## What reviewers say

### MemDay

[App page](https://appshunter.io/ios/app/memday/id6447469527)

This app helps you plan and record your daily life, acting as a digital journal and study aid. It offers features like OCR, translation, and mapping to enhance memory and organization. Receive daily reminders and review your progress with quizzes.

**Highlights:** Daily planning and recording, Integrated OCR and translation, Event and reminder notifications, Text-to-speech for memory enhancement, Daily quizzes and progress reports, Photo and drawing uploads, Powerful search functionality

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| memDayPro | $3.99 | one-time |


### 100 Year Diary Journal

[App page](https://appshunter.io/ios/app/100-year-diary-journal/id6778656624)

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Theme Pass Monthly | $1.99 | per month |
| Theme Pass Yearly | $19.99 | per year |
| Seaside Notebook | $3.99 | one-time |
| Night Notebook | $3.99 | one-time |
| Washi | $3.99 | one-time |
| Botanical Year | $3.99 | one-time |
| Germany Journey | $3.99 | one-time |
| Cafe Hours | $3.99 | one-time |
| Japan Journey | $3.99 | one-time |
| Italy Journey | $3.99 | one-time |
| Remove ads | $9.99 | one-time |


## Frequently asked questions

### Is MemDay free?

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

### Is 100 Year Diary Journal free?

100 Year Diary Journal is free to download, with in-app purchases available.

### Do MemDay or 100 Year Diary Journal have ads?

100 Year Diary Journal shows ads; MemDay does not.

### Which is updated more often, MemDay or 100 Year Diary Journal?

MemDay ships an update every 21 months, and 100 Year Diary Journal every 3 days. Most recently, MemDay was updated on October 24, 2026 and 100 Year Diary Journal on October 25, 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.*