# TwoDaysAgo Diary vs MemDay

The clearest difference is update cadence: TwoDaysAgo Diary at weekly against MemDay's every 21 months. TwoDaysAgo Diary also leads on iOS requirement (15.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. TwoDaysAgo Diary sells 2 one-off in-app purchases and MemDay sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

TwoDaysAgo Diary ships an update weekly, MemDay every 21 months. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | TwoDaysAgo Diary | MemDay |
| --- | --- | --- |
| 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 | No |
| Update frequency | **Weekly** | Every 21 months |
| Monetization | — | Free |
| Size | 4 MB | 12 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nishida Hirofumi](https://appshunter.io/developer/1635697535) | [shaojun lin](https://appshunter.io/developer/1263579053) |

## What reviewers say

### TwoDaysAgo Diary

[App page](https://appshunter.io/ios/app/twodaysago-diary-for-memory/id1644008112)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ReadQuotes | $1.99 | one-time |
| Daily Question | $2.99 | one-time |


### 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 |


## Frequently asked questions

### Is TwoDaysAgo Diary free?

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

### Is MemDay free?

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

### Do TwoDaysAgo Diary or MemDay have ads?

Neither TwoDaysAgo Diary nor MemDay shows ads.

### Which is updated more often, TwoDaysAgo Diary or MemDay?

TwoDaysAgo Diary ships an update weekly, and MemDay every 21 months. Most recently, TwoDaysAgo Diary was updated on October 27, 2026 and MemDay on October 24, 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.*