# Oshi Fan Log vs Stacky

The clearest difference is ads: Oshi Fan Log at none against Stacky's shown. Oshi Fan Log also leads on update cadence (every 2 days vs every 3 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Oshi Fan Log sells 2 in-app purchases, starting at $0.49 per month and Stacky sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Oshi Fan Log ships an update every 2 days, Stacky every 3 weeks. The most recent releases landed on October 9, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Oshi Fan Log | Stacky |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/oshi-fan-log-idol-tracker/id6759096925/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Every 3 weeks |
| Monetization | Freemium | — |
| Size | 37 MB | 15 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Particles and Waves](https://appshunter.io/developer/1812653811) | [Signet LLC](https://appshunter.io/developer/1880910401) |

## What reviewers say

### Oshi Fan Log

[App page](https://appshunter.io/ios/app/oshi-fan-log-idol-tracker/id6759096925)

This app helps you organize and track all information about your favorite artists, idols, or characters. It automatically collects discography, news, releases, and merchandise, and provides calendar reminders for important dates. Personalize your experience and earn badges as you deepen your fandom.

**Highlights:** Register any favorite artist or character, Auto-collect discography, news, and merchandise, Anniversary and birthday calendar with notifications, Personalized daily digest notifications, Earn collectible badges and achievements, Home screen widget support, Siri and Spotlight integration

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムプラン（月額） | $0.49 | per month |
| Premium Plan (Yearly) | $5.99 | per year |


### Stacky

[App page](https://appshunter.io/ios/app/stacky/id6759818275)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stacky プレミアム | $0.49 | one-time |


## Frequently asked questions

### Is Oshi Fan Log free?

Oshi Fan Log is free to download, with in-app purchases available.

### Is Stacky free?

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

### Do Oshi Fan Log or Stacky have ads?

Stacky shows ads; Oshi Fan Log does not.

### Which is updated more often, Oshi Fan Log or Stacky?

Oshi Fan Log ships an update every 2 days, and Stacky every 3 weeks. Most recently, Oshi Fan Log was updated on October 9, 2026 and Stacky on October 6, 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.*