# Memories vs To Be　公式アプリ

The clearest difference is update cadence: Memories at every 5 months against To Be　公式アプリ's every 38 months. To Be　公式アプリ's advantage is iOS requirement (12.0 vs 15.0). 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.

Memories ships an update every 5 months, To Be　公式アプリ every 38 months. The most recent releases landed on October 8, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Memories | To Be　公式アプリ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/memories/id1616337665/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 38 months |
| Monetization | Free | — |
| Size | 66 MB | 17 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Takuya Aso](https://appshunter.io/developer/932255581) | [TOMOKO SUGATA](https://appshunter.io/developer/1635508490) |

## What reviewers say

### Memories

[App page](https://appshunter.io/ios/app/memories/id1616337665)

Track your Tokyo Metro Tozai Line train rides, noting train types and origins. View station timetables and real-time operational status. Share your ride history and discover train formation rankings. Supports Apple Watch.

**Highlights:** Ride logging and history viewing, Train formation rankings, Real-time operational status, Full network timetables, Apple Watch support, Ride sharing

**Features:** macOS Compatibility

**In-app purchases:** none


### To Be　公式アプリ

[App page](https://appshunter.io/ios/app/to-be/id1635508488)

**In-app purchases:** none


## Frequently asked questions

### Is Memories free?

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

### Is To Be　公式アプリ free?

To Be　公式アプリ is free to download, with no in-app purchases.

### Do Memories or To Be　公式アプリ have ads?

Neither Memories nor To Be　公式アプリ shows ads.

### Which is updated more often, Memories or To Be　公式アプリ?

Memories ships an update every 5 months, and To Be　公式アプリ every 38 months. Most recently, Memories was updated on October 8, 2026 and To Be　公式アプリ on October 20, 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.*