# Spica　公式アプリ vs Vertigo Log

The clearest difference is update cadence: Vertigo Log at every 10 days against Spica　公式アプリ's every 39 months. Spica　公式アプリ's advantage is iOS requirement (12.0 vs 17.0). 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.

Spica　公式アプリ ships an update every 39 months, Vertigo Log every 10 days. The most recent releases landed on November 3, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | Spica　公式アプリ | Vertigo Log |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 10 days** |
| Monetization | — | Free with in-app purchases |
| Size | 17 MB | 4 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [MICHIKO TANAKA](https://appshunter.io/developer/1680088508) | [Yoshifumi Sato](https://appshunter.io/developer/6780413827) |

## What reviewers say

### Spica　公式アプリ

[App page](https://appshunter.io/ios/app/spica/id6447026471)

**In-app purchases:** none


### Vertigo Log

[App page](https://appshunter.io/ios/app/vertigo-log-dizziness-diary/id6784697218)

Easily log vertigo and dizziness attacks with one-tap start and simple severity selection. Track symptoms, triggers, medications, and barometric pressure. View trends and compare pressure history with your logged events.

**Highlights:** One-tap attack logging, Lock Screen and Siri integration, Detailed symptom and trigger tracking, Medication logging, Barometric pressure tracking, Attack-free day tracking, Trend analysis

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

**In-app purchases:** none


## Frequently asked questions

### Is Spica　公式アプリ free?

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

### Is Vertigo Log free?

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

### Do Spica　公式アプリ or Vertigo Log have ads?

Neither Spica　公式アプリ nor Vertigo Log shows ads.

### Which is updated more often, Spica　公式アプリ or Vertigo Log?

Spica　公式アプリ ships an update every 39 months, and Vertigo Log every 10 days. Most recently, Spica　公式アプリ was updated on November 3, 2026 and Vertigo Log on November 12, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*