# Memory Log vs 日本旅日記

The clearest difference is device support: 日本旅日記 at 3 against Memory Log's 1. 日本旅日記 also leads on iOS requirement (13.0 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Memory Log ships an update every 4 days, 日本旅日記 every 2 days. The most recent releases landed on October 1, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Memory Log | 日本旅日記 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 2 days** |
| Size | 22 MB | 68 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Haruo Nakayama](https://appshunter.io/developer/6777737832) | [takafumi naito](https://appshunter.io/developer/624435912) |

## What reviewers say

### Memory Log

[App page](https://appshunter.io/ios/app/memory-log-memory-map/id6777737830)

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

**In-app purchases:** none


### 日本旅日記

[App page](https://appshunter.io/ios/app/id6786138606)

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

**In-app purchases:** none


## Frequently asked questions

### Is Memory Log free?

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

### Is 日本旅日記 free?

日本旅日記 is free to download, with no in-app purchases.

### Do Memory Log or 日本旅日記 have ads?

Neither Memory Log nor 日本旅日記 shows ads.

### Which is updated more often, Memory Log or 日本旅日記?

Memory Log ships an update every 4 days, and 日本旅日記 every 2 days. Most recently, Memory Log was updated on October 1, 2026 and 日本旅日記 on September 30, 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.*