# GhostSign — Don't guess. Test what works.

> Don't guess. Test what works. (iPhone/iPad app by GhostSign.)

- Source: https://appshunter.io/ios/app/ghostsign/id6772611377 (this page in markdown: same URL + `.md`)
- Developer: [GhostSign](https://appshunter.io/developer/6772611379)
- Category: Health & Fitness, Productivity
- Price: Free with in-app purchases
- Age rating: 17+
- Requires: iOS 15.1 · 62 MB
- Languages: American English
- Released: 2026-07-03
- Data updated: 2026-09-01
- User reviews in markdown: https://appshunter.io/ios/app/ghostsign/id6772611377/reviews.md

## What is GhostSign?

Apply the scientific method to your life.

Most apps and wearables only track what’s happening. GhostSign helps you build a hypothesis and protocol around your goals, checks in each day for adherence, reviews what actually helped, and what’s worth doing again.

Use GhostSign to test:
• Sleep routines

• Focus and deep work

• Daily energy

• Stress and recovery habits

• Training support

• Mobility and flexibility

• Workday routines

• Lifestyle experiments

• Personal growth goals and more

Instead of guessing whether a new habit, routine, or protocol is working, GhostSign gives you a simple way to run the experiment and learn from the result.
Each cycle helps you build evidence for your own life, so the next step is clearer than the last.

GhostSign is not a medical app and does not provide medical advice, diagnosis, or treatment.

Privacy Policy: https://www.ghostsign.io/privacy
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Apex - Annual | $89.99 | per year |
| Apex - Monthly | $19.99 | per month |



## Version history (last 2 releases)

### 1.5 — 2026-07-12

Bug fixes related to trialing

### 1.4 — 2026-07-03

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-01.*