# Scintillating scotoma vs Vertigo Tracker

The clearest difference is in-app purchases: Scintillating scotoma at none against Vertigo Tracker's 1. Vertigo Tracker's advantage is ads (none vs shown) and update cadence (every 4 days vs every 8 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Vertigo Tracker sells 1 one-off in-app purchase. Scintillating scotoma asks for nothing beyond the download.

Scintillating scotoma ships an update every 8 months, Vertigo Tracker every 4 days. The most recent releases landed on October 30, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Scintillating scotoma | Vertigo Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Every 4 days** |
| Size | 25 MB | 34 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Craftsoft LLC](https://appshunter.io/developer/1468452058) | [nobutaka kawasaki](https://appshunter.io/developer/6797384563) |

## What reviewers say

### Scintillating scotoma

[App page](https://appshunter.io/ios/app/scintillating-scotoma/id1621837314)

**Features:** macOS Compatibility

**In-app purchases:** none


### Vertigo Tracker

[App page](https://appshunter.io/ios/app/vertigo-tracker-dizzy-diary/id6799015322)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DizzyLog Pro (one-time) | $19.99 | one-time |


## Frequently asked questions

### Is Scintillating scotoma free?

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

### Is Vertigo Tracker free?

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

### Do Scintillating scotoma or Vertigo Tracker have ads?

Scintillating scotoma shows ads; Vertigo Tracker does not.

### Which is updated more often, Scintillating scotoma or Vertigo Tracker?

Scintillating scotoma ships an update every 8 months, and Vertigo Tracker every 4 days. Most recently, Scintillating scotoma was updated on October 30, 2026 and Vertigo Tracker on October 23, 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.*