# Oshi Fan Log vs Tensei Algorithm

The clearest difference is in-app purchases: Tensei Algorithm at none against Oshi Fan Log's 2. Oshi Fan Log's advantage is ads (none vs shown) and update cadence (every 2 days vs every 5 days). On price there is nothing between them.

Both are free to download. Oshi Fan Log sells 2 in-app purchases, starting at $0.49 per month. Tensei Algorithm asks for nothing beyond the download.

Oshi Fan Log ships an update every 2 days, Tensei Algorithm every 5 days. The most recent releases landed on October 9, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Oshi Fan Log | Tensei Algorithm |
| --- | --- | --- |
| 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 | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Every 5 days |
| Monetization | Freemium | — |
| Size | 37 MB | 29 MB |
| Requires iOS | **16.0** | 26.2 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Particles and Waves](https://appshunter.io/developer/1812653811) | [KAORU IMAI](https://appshunter.io/developer/1890363790) |

## 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 |


### Tensei Algorithm

[App page](https://appshunter.io/ios/app/tensei-algorithm/id6761587481)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Oshi Fan Log free?

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

### Is Tensei Algorithm free?

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

### Do Oshi Fan Log or Tensei Algorithm have ads?

Tensei Algorithm shows ads; Oshi Fan Log does not.

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

Oshi Fan Log ships an update every 2 days, and Tensei Algorithm every 5 days. Most recently, Oshi Fan Log was updated on October 9, 2026 and Tensei Algorithm on October 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.*