Comparison

Hollow Vigil 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

Hollow Vigil

Features
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Sarah is texting you. She's alone in a house at 2:47 AM, and she just heard her own voice answer from upstairs. HOLLOW VIGIL is a paranormal chat horror — a branching narrative thriller told entirely through your phone's messages. Reply to Sarah, choose what she does next, and decide what you're willing to repeat back to whatever is inside the walls with her. - Five endings, only one of them clean - A ritual that bleeds into your phone — silenced clocks, swapped keys, ambient texts at the wrong hour - Trace sigils with your finger; the house remembers the ones you draw badly - A hand-mapped haunted house you can navigate room by room as the night drags on - One save slot. One vigil. The longer you stay, the more the story knows about you. Five chapters. One night. The choices you don't make at 2:47 are the ones it makes for you. — Psychological horror, ritual themes, occult and demonic content — Five branching chapters, five endings, one hidden path — No ads. No subscriptions. One purchase, full story.

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

Hollow Vigil4 screens
SHADOW PROTOCOL4 screens

Verdict

The call

The clearest difference is price: SHADOW PROTOCOL at Free against Hollow Vigil's $0.49. SHADOW PROTOCOL also leads on device support (3 vs 1) and iOS requirement (13.0 vs 18.0). On ads and in-app purchases 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

SHADOW PROTOCOL is free to download; Hollow Vigil costs $0.49 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard3 real differences · 3 level
Hollow Vigil versus SHADOW PROTOCOL: the parameters behind the verdict, then further details
ParameterHollow VigilSHADOW PROTOCOL
Price$0.49Free — better
Update frequencyEvery 4 days—
AdsNoNo
In-app purchasesNoNo
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS18.013.0 — better
Further details — not scored
Size51 MB367 MB
Age rating17+4+
DeveloperAlperen Unal云鹏 黄

In-app purchases

None

Hollow Vigil

No in-app purchases

None

SHADOW PROTOCOL

No in-app purchases

Questions

Is Hollow Vigil free?
Hollow Vigil costs $0.49, with no in-app purchases.
Is SHADOW PROTOCOL free?
SHADOW PROTOCOL is free to download, with no in-app purchases.
Do Hollow Vigil or SHADOW PROTOCOL have ads?
Neither Hollow Vigil nor SHADOW PROTOCOL shows ads.

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