Unknown Contact vs Do Not Reply
Price, ratings, monetisation and update history for both games, side by side โ with what reviewers say about each.
Unknown Contact
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A stranger has your number. They need help. Everything happens in the chat. Unknown Contact is a collection of short interactive stories that play out entirely as text messages. No cutscenes, no maps, no menus to fight through โ just a conversation with someone who is in trouble, and the words you choose to send back. Tap a suggested reply, or type anything you want. Ask about the noise in the vent. Tell them to run. Stay quiet and see what they do. The story is listening. SEASON ONE โ 20 STORIES, 80 ENDINGS Every story runs about 15โ20 minutes and hides four different endings. Some you stumble into. Some you have to earn by noticing the right detail and asking the right question. HORROR BASEMENT โ a stranger, a locked room, one flickering bulb THE BABYSITTER โ don't let her answer the phone THE HIKER โ the trail markers have names on them SNOW DAY โ no footprints ever lead away THRILLER & SUSPENSE THE NEIGHBOR โ he knows what's in your apartment LAST TRAIN โ the last train doesn't stop where it says THE WITNESS โ they recorded who wasn't supposed to be seen WRONG EXIT โ every ramp leads back to the same floor MYSTERY THE HOTEL โ the room numbers keep changing THE INHERITANCE โ the letters already know your name ESTATE SALE โ every photo in the album is you WRONG DELIVERY โ the box arrived years too early SCI-FI NEW PHONE โ the drafts are writing themselves ECHO โ your answers never match theirs THE DEEP โ a station that won't exist for sixty years THE SIGNAL โ eleven names, one blank line, eighteen minutes COMEDY CUSTOMER SUPPORT โ it's just a smart fridge. probably. GHOSTED โ the haunting has the wrong apartment PROBATIONARY PERIOD โ first shift, impossible handbook, review at midnight COLD FEET โ forty minutes until a wedding nobody can find WHY IT FEELS REAL โข Type whatever you want โ the story understands what you meant, not just what you tapped โข Photos and voice notes arrive the way they would from someone genuinely scared โข Every voice note is captioned, so the sound is atmosphere and never homework โข People tell you their name only once they trust you โข Endings you've found are tracked, so you always know what you're still missing FIVE STORIES FREE, FOREVER One story in every genre is free and always will be. No timers, no lives, no energy meters, no ads, no waiting for tomorrow. If you want the rest, Season One is a single one-time purchase that unlocks all 20 stories permanently. There is no subscription and nothing else to buy, ever. PRIVATE BY DESIGN Everything stays on your device. No account, no sign-up, no analytics, no tracking, no data collection of any kind. Plays completely offline. On supported iPhones, free-text understanding runs on-device โ nothing you type is ever sent anywhere. Turn the brightness down. Put headphones on if you're brave. Someone is typing. Support: support@judeworks.app
Do Not Reply
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You get a message from someone stuck inside. A locked house. A hospital ward. A grocery store after close. Do Not Reply is a horror text story app. Three stories. Guide them through it, open what they send you, and decide whether they get out.
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Verdict
The clearest difference is update cadence: Do Not Reply at every 4 days against Unknown Contact's monthly. Do Not Reply also leads on device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On price, ads and in-app purchases there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Unknown Contact sells 1 one-off in-app purchase and Do Not Reply sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Unknown Contact ships an update monthly, Do Not Reply every 4 days. The most recent releases landed on October 3, 2026 and October 7, 2026 respectively.
| Parameter | Unknown Contact | Do Not Reply |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Every 4 days โ better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone, iPad, iPod โ better |
| Requires iOS | 18.0 | 15.0 โ better |
| Further details โ not scored | ||
| Size | 67 MB | 48 MB |
| Age rating | 17+ | 12+ |
| Developer | JudeWorks | Fluently AI |
In-app purchases
Unknown Contact
- Season One โ All 20 Stories$0.99
Do Not Reply
- 50 Tokens$0.99
- 150 Tokens$2.49
- 2000 Tokens$4.99
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- 5000 Tokens$9.99








