HauntKeep: Ghost Hunting Kit

HauntKeep: Ghost Hunting Kit

By Caelori

HauntKeep is a sensor-based paranormal investigation kit for iOS and Android that visualizes raw hardware data for hobbyists.

The App DNA

What makes this app unique?

It removes the black-box nature of competing ghost-hunting apps by showing the math behind every sensor reading, appealing to users who want to verify their own data.

For Paranormal enthusiasts and hobbyist ghost hunters seeking data-transparent, sensor-driven investigation tools.

What does it look like?

Key features

Sensor-based Investigation Modesedge

Eighteen distinct modes utilizing phone hardware like the magnetometer, accelerometer, and camera for paranormal detection.

Cross-mode Timelineedge

Visualizes events from multiple sensors on a single ruler to identify co-occurrences within 2-second windows.

Environmental Context Taggingedge

Appends local weather, moon phase, and Kp index data to session logs via network fetch.

How much does it cost?

freemiumFree: EMF meter, Talking Board, and investigation layer.One-time purchase: Unlocks all modes and advanced export features.

The one-time purchase model avoids subscription fatigue but creates a high barrier to entry that users report as a primary frustration.

Velocity

Maintenance developmentperformanceUX improvementsShow more...

HauntKeep: Ghost Hunting Kit currently operates on a maintenance cadence, with only two releases identified in the recent window. The latest release focused exclusively on technical refinements, including session count fixes, dictionary voice list adjustments, and improved low-light handling for the SLS tool. Development activity is currently limited to stability and performance improvements rather than new content or feature expansion. The app has remained quiet for 44 days, indicating a stable but slow development cycle.

See all version history

Who built it?

Caelori

1 app tracked · Entertainment

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User Sentiment

What do users think recently?

Recent user voice shows a mixed sentiment. Users appreciate the wide variety of available gadgets provides a satisfying experience for users interested in paranormal investigation and the flat pricing model for all features offers significant value compared to tiered or subscription alternatives.

How are ratings & reviews evolving?

Google Play
4.43 · 11
App Store
5.00 · 1

What users say, by theme

What Users Love
  • The wide variety of available gadgets provides a satisfying experience for users interested in paranormal investigation
  • The flat pricing model for all features offers significant value compared to tiered or subscription alternatives
What Frustrates Users
  • Users report: High price points for unlocking tools create a barrier that users perceive as unreasonable or exploitative
+ 1 more theme

5 of 5 recent reviews analyzed · limited sample

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Unlock 1 more frustration theme, each backed by review evidence.

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Competition

Competitive landscape for HauntKeep: Ghost Hunting Kit

How's the Entertainment market?

HauntKeep maintains a niche position in the Entertainment category, currently holding a 4.4-star rating on Android and 5.0 on iOS. The reliance on a single one-time purchase creates a distinct barrier compared to ad-heavy rivals, which limits install velocity but targets higher-intent users.

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The rivals identified

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The Analyst's Read

Key takeaways for HauntKeep: Ghost Hunting Kit

Where is it heading?

The paranormal investigation category is consolidating around apps that balance accessibility with depth, and HauntKeep's current maintenance-mode cadence leaves it exposed to rivals with more aggressive update schedules. Addressing the pricing friction is critical to preventing further sentiment erosion and maintaining the app's position among high-intent users.

  • The latest release has not resolved pricing friction, leading to a decline in sentiment compared to pre-update feedback.
  • Maintenance-only cadence with no new feature expansion leaves the app vulnerable to faster-moving rivals in the ghost-hunting space.

The SWOT

Core Strengths
  • Data-transparent UI exposes sensor math, building trust with technical hobbyists
  • Cross-mode timeline enables multi-sensor event correlation, a rare feature in mobile ghost-hunting kits
Critical Frictions 2 weaknesses inside
Growth Levers
  • Localized pricing could capture users in markets where the current one-time unlock is perceived as a high barrier
Market Threats 1 threat identified

Next best moves

1 Pivot · 1 Invest

Pivot to a tiered unlock structure because high one-time costs drive negative sentiment → increase conversion rate

+ 1 more prioritized move

The counter-intuitive read

The app's high one-time price is not a…

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Bottom line

HauntKeep’s commitment to sensor transparency retains core hobbyists, but the high one-time unlock cost caps the conversion funnel. Pivoting to a tiered unlock structure would address the pricing friction that drives negative sentiment, while protecting the premium value of the full investigation suite.

Unlock 2 critical frictions, 1 market threat, 1 more prioritized move and the analyst’s take.

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FAQ

Is HauntKeep worth paying for if I am a casual ghost hunter?
Users report that the free tier provides sufficient tools for casual use, while the paid unlock is better suited for power users who need advanced export and multi-sensor analysis features.
How does HauntKeep compare to other ghost hunting apps?
Unlike many black-box apps, HauntKeep emphasizes data transparency by showing the math and sensor baselines behind every reading, which appeals to users who want to verify their own data.
Does HauntKeep contain intrusive ads?
No, HauntKeep is designed to be private and currently contains no ads or tracking SDKs, relying instead on a one-time purchase model for monetization.
What is a free alternative to HauntKeep?
There are many ad-supported ghost hunting apps available, though most do not offer the same level of sensor data transparency or the cross-mode timeline analysis found in HauntKeep.

Sources

  1. [1] Play Store listing

Report last updated

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by HauntKeep: Ghost Hunting Kit, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “HauntKeep: Ghost Hunting Kit Intelligence Report.” Updated Oct 26, 2026. https://marlvel.ai/apps/hauntkeep-ghost-hunting-kit

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