# Memories vs AquaTrackr

The clearest difference is in-app purchases: Memories at none against AquaTrackr's 1. Memories also leads on iOS requirement (15.0 vs 26.1). AquaTrackr's advantage is update cadence (every 3 days vs every 5 months). On price, ads and device support there is nothing between them.

Both are free to download. AquaTrackr sells 1 in-app purchase, starting at $2.99 per month. Memories asks for nothing beyond the download.

Memories ships an update every 5 months, AquaTrackr every 3 days. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Memories | AquaTrackr |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/memories/id1616337665/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 66 MB | 15 MB |
| Requires iOS | **15.0** | 26.1 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Takuya Aso](https://appshunter.io/developer/932255581) | [Juman Shota](https://appshunter.io/developer/1872694655) |

## 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


### AquaTrackr

[App page](https://appshunter.io/ios/app/aquatrackr/id6760959164)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Aquarium Pro | $2.99 | per month |


## Frequently asked questions

### Is Memories free?

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

### Is AquaTrackr free?

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

### Do Memories or AquaTrackr have ads?

Neither Memories nor AquaTrackr shows ads.

### Which is updated more often, Memories or AquaTrackr?

Memories ships an update every 5 months, and AquaTrackr every 3 days. Most recently, Memories was updated on November 3, 2026 and AquaTrackr on November 5, 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.*