Comparison

signal13 vs SHADOW PROTOCOL

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

signal13

Experience a psychological horror game through a realistic smartphone interface. Investigate surveillance, calls, and corrupted files as reality unravels. Uncover the truth or become part of the signal.

Highlights
  • Realistic smartphone interface
  • Investigate surveillance cameras
  • Analyze hidden archives
  • Mysterious phone calls and radio transmissions
  • Corrupted file analysis
  • Psychological horror experience
Features
Read full description

Your phone rings. The caller knows your name. Knows your memories. Knows your voice. Signal13 is a psychological horror experience presented entirely through a realistic smartphone interface. Investigate surveillance cameras, hidden archives, mysterious phone calls, radio transmissions, and corrupted files as reality slowly begins to break apart. There are no monsters chasing you. Only the growing realization that something has been watching you all along. Will you uncover the truth... ...or become part of the signal? Will you escape the Signal… or become part of it?

About

SHADOW PROTOCOL

Features
Read full description

A violent storm seals every exit from the Meridian Hotel. At 02:17, a dead man’s watch starts moving again. Shadow Protocol is a cinematic interactive crime thriller built around investigation, consequence, and memory. Step into the role of Ryan, an investigator drawn into a case where every piece of evidence points toward an impossible past. Search atmospheric crime scenes. Examine forensic details. Question what you see. The choices you make redirect conversations, change alliances, and determine which version of the truth survives. FEATURES • A complete 10-chapter interactive mystery • Consequential choices that shape the investigation • Three distinct endings to discover • Cinematic crime scenes and dramatic character moments • Environmental clues, forensic evidence, and deduction puzzles • An Ending Archive that tracks your discoveries • Autosave support for seamless chapter-by-chapter play • Independent controls for music and sound effects The Meridian case was never closed. It was waiting for you.

Screenshots

signal134 screens
SHADOW PROTOCOL4 screens

Verdict

The call

The clearest difference is in-app purchases: SHADOW PROTOCOL at none against signal13's 1. SHADOW PROTOCOL also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. signal13 sells 1 one-off in-app purchase. SHADOW PROTOCOL asks for nothing beyond the download.

Scorecard2 real differences · 8 level
signal13 versus SHADOW PROTOCOL: the parameters behind the verdict, then further details
Parametersignal13SHADOW PROTOCOL
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 2 days—
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size155 MB367 MB
Age rating12+4+
Developerspace ideas llc云鹏 黄

In-app purchases

1 purchases

signal13

One-time1
  • Remove Ads$1.99
None

SHADOW PROTOCOL

No in-app purchases

Questions

Is signal13 free?
signal13 is free to download, with in-app purchases available.
Is SHADOW PROTOCOL free?
SHADOW PROTOCOL is free to download, with no in-app purchases.
Do signal13 or SHADOW PROTOCOL have ads?
signal13 shows ads; SHADOW PROTOCOL does not.

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