signal13 vs SHADOW PROTOCOL
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
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.
- Realistic smartphone interface
- Investigate surveillance cameras
- Analyze hidden archives
- Mysterious phone calls and radio transmissions
- Corrupted file analysis
- Psychological horror experience
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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?
SHADOW PROTOCOL
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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
Verdict
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
Both are free to download. signal13 sells 1 one-off in-app purchase. SHADOW PROTOCOL asks for nothing beyond the download.
| Parameter | signal13 | SHADOW PROTOCOL |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 days | — |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 155 MB | 367 MB |
| Age rating | 12+ | 4+ |
| Developer | space ideas llc | 云鹏 黄 |
In-app purchases
signal13
- Remove Ads$1.99
SHADOW PROTOCOL
No in-app purchases
Questions
Is signal13 free?
Is SHADOW PROTOCOL free?
Do signal13 or SHADOW PROTOCOL have ads?
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