Echoes vs Unknown Contact
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Echoes
Engage in a real-time murder mystery through your phone. Investigate a disappearance by interacting with characters via chat, calls, and video, making choices that shape the narrative. Uncover clues through news feeds and an investigation board.
- Real-time chat and messaging gameplay
- Branching narrative based on player choices
- Investigative tools like a digital board
- Live news feed integration
- Multi-language support
- Audio and video call sequences
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A stranger adds you to a group chat by mistake. Or was it a mistake? Echoes is an interactive murder-mystery thriller where you're pulled into a crime through your phone. Set in India, the story unfolds through group chats, private messages, phone calls, and video calls — all happening in real time on your screen. Aarav, a film student, has vanished. His closest friends are desperate for answers, and somehow your number ended up in their group. Now you're caught between suspects who all have something to hide. PLAY DETECTIVE FROM YOUR PHONE Investigate the disappearance through realistic chat conversations. Read between the lines, question suspects, and piece together what happened to Aarav. EVERY CHOICE MATTERS Your decisions shape relationships with each character. Build trust or raise suspicion. The story branches based on what you say, who you believe, and what you reveal. FOLLOW THE NEWS A local news feed runs alongside the case. Jump into live comment threads, spar with journalist Priya Nair, and dig up sidestories and clues the official story leaves out. NOW IN 6 LANGUAGES Play in English, Português (Brasil), Français, Español, Deutsch, or Italiano — full dialogue, not just menus, reviewed line by line by native speakers. IMMERSIVE FEATURES - Live audio and video call sequences that put you in the moment - Subtitles on video calls, with a CC toggle you control - A digital investigation board to connect evidence and track leads - Voice clone technology that puts YOUR voice into the story - Atmospheric soundtrack and cinematic storytelling DESIGNED TO FEEL REAL Every notification, every typing indicator, every read receipt — Echoes blurs the line between game and reality. The characters feel alive because they respond to you, not at you. Episodes 1 through 6 are available now. New episodes coming soon. Download Echoes. Read the messages. Trust no one.
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 — 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 — 20 STORIES, 80 ENDINGS Every story runs about 15–20 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 — a stranger, a locked room, one flickering bulb THE BABYSITTER — don't let her answer the phone THE HIKER — the trail markers have names on them SNOW DAY — no footprints ever lead away THRILLER & SUSPENSE THE NEIGHBOR — he knows what's in your apartment LAST TRAIN — the last train doesn't stop where it says THE WITNESS — they recorded who wasn't supposed to be seen WRONG EXIT — every ramp leads back to the same floor MYSTERY THE HOTEL — the room numbers keep changing THE INHERITANCE — the letters already know your name ESTATE SALE — every photo in the album is you WRONG DELIVERY — the box arrived years too early SCI-FI NEW PHONE — the drafts are writing themselves ECHO — your answers never match theirs THE DEEP — a station that won't exist for sixty years THE SIGNAL — eleven names, one blank line, eighteen minutes COMEDY CUSTOMER SUPPORT — it's just a smart fridge. probably. GHOSTED — the haunting has the wrong apartment PROBATIONARY PERIOD — first shift, impossible handbook, review at midnight COLD FEET — forty minutes until a wedding nobody can find WHY IT FEELS REAL • Type whatever you want — the story understands what you meant, not just what you tapped • Photos and voice notes arrive the way they would from someone genuinely scared • Every voice note is captioned, so the sound is atmosphere and never homework • People tell you their name only once they trust you • 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 — 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
Screenshots
Verdict
The clearest difference is iOS requirement: Echoes at 15.1 against Unknown Contact's 18.0. On price, update cadence, 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
Both are free to download. Echoes sells 5 one-off in-app purchases and Unknown Contact sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Both ship on a similar rhythm, roughly monthly. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.
| Parameter | Echoes | Unknown Contact |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (6 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 6 — better | — |
| Update frequency | Monthly | Monthly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 18.0 |
| Further details — not scored | ||
| Size | 285 MB | 67 MB |
| Age rating | 12+ | 17+ |
| Developer | Anubhav Sahu | JudeWorks |
In-app purchases
Echoes
- Voice Re-record$1.99
- Media and Premium choices Pack$2.99
- Voice Pack$2.99
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- AI Chat Access$2.99
- Premium Pass$6.99
Unknown Contact
- Season One — All 20 Stories$0.99









