# Proof Compass

> Proof Compass (iPhone/iPad app by Cheng-Ta Hsieh.)

- Source: https://appshunter.io/ios/app/proof-compass/id6746702457 (this page in markdown: same URL + `.md`)
- Developer: [Cheng-Ta Hsieh](https://appshunter.io/developer/1111361894)
- Category: Business, Reference
- Price: Free
- Age rating: 4+
- Requires: iOS 15.1 · 27 MB
- Languages: English
- Released: 2025-06-04
- Data updated: 2026-05-17
- User reviews in markdown: https://appshunter.io/ios/app/proof-compass/id6746702457/reviews.md

## What is Proof Compass?

Validate your start up business idea quickly and get actionable advise, so you know what to do!


## Version history (last 3 releases)

### 0.0.3 — 2025-07-03

Added Bring-Your Own API Key, so your device will communicate directly with OpenAI server.
Reports are now saved and are saved locally.
Added dedicated competitor research option if you use your own API key.
Clarification question is now optional and can be enabled in the settings page
New UI design

### 0.0.2 — 2025-06-15

Added SWOT (Strength, Weakness, Opportunity, and Threat) analysis
Added Porter's 5 Forces Analysis
UI Improvement

### 0.0.1 — 2025-06-04

No release notes.

## Apps similar to Proof Compass

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Entrepreneurs Business Ideas](https://appshunter.io/ios/app/entrepreneurs-business-ideas/id1541686108) | — | Free | Business |
| [Pensa Systems](https://appshunter.io/ios/app/pensa-systems/id1658573319) | 4.0 (12) | Free | Business |

## More apps by Cheng-Ta Hsieh

- [BC Property Assesment](https://appshunter.io/ios/app/bc-property-assesment/id1111361895)
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- [心誠則靈](https://appshunter.io/ios/app/id1399972449)

All apps by Cheng-Ta Hsieh: https://appshunter.io/developer/1111361894

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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 2026-05-17.*