Cheating Detective Games: Investigating a Partner

Cheating detective games are story games in which one half of a couple suspects the other of lying and hands you a fictional phone to read: the chats, the gallery, the map history and the bank app hold the answer. You play the trusted person who receives the phone, not the jealous partner, and the questions you answer are the ones the client cannot bring themselves to ask out loud.

The label is a search term more than a settled genre. People type “cheating detective game”, “relationship detective game” or “detective games for couples” when they want a story about suspicion, and the stores answer with a small, uneven shelf of titles: some crude level-based puzzle games, some full narrative cases. Here is what is actually behind that shelf, what each game does well, and where Secreta sits on it — starting with the wider phone investigation games genre it belongs to.

What a cheating detective game is

The shared loop is simple. Someone who trusts you believes their partner is hiding something, and instead of confronting them they hand you a copy of the phone and a list of questions. You move through messages, social feeds, photos, location records and payment apps, and you answer one question at a time based on what the phone actually shows. The evidence is deliberately undramatic: a date that does not fit, a contact saved under a neutral name, a thread deleted the same night.

Two things separate these games from each other. The first is whether the suspicion is a puzzle or a story: Find Proof turns it into short visual levels, while Not Your Phone and Secreta build a case around a cast of characters. The second is how willing the game is to let the evidence run both ways. The better titles accept that a phone can just as easily confirm a suspicion as quietly dismantle it, and they do not tell you which is coming.

None of this is a crime genre, even when the word “detective” is what you typed into the search box. The stakes are emotional: trust, jealousy, a friend’s secret, a lie told to protect someone. If you are looking for a body in a library, this is the wrong shelf.

The 6 games worth your evening

Six titles define this corner of the stores right now. They are not ranked; each one answers a different version of the same question.

Cheaters | Infidelity Mystery

An iOS-only case game by appful, and the closest thing on the App Store to a straight “read the partner’s phone” story. You are handed the fictional phone of a boyfriend named Ren and work through his chats, photos, payment history and location logs until a scattered set of details forms a line. It is available in English and Japanese only, and its own store text is careful to call the characters and the phone entirely made up. Cheaters | Infidelity Mystery on the App Store.

Find Proof - Cheaters puzzle

This one is the odd title out and also the most installed: a level-based puzzle rather than a narrative game. Each level gives you a few seconds to find the detail that proves a partner is lying — a message, a receipt, a named contact — and then moves on. It has been the widest door into the niche for years. It is also the oldest: the developer has not updated it since 2022, and it leans heavily on ads between levels. If you want the feeling of the search without a plot, it is the fastest way in. Find Proof - Cheaters puzzle on the App Store.

Not Your Phone: Mystery

An iOS mystery game played entirely inside a copied phone, with 21 self-contained cases about partners, friends and family rather than a single continuing plot. Clues are never highlighted for you: the answer sits in dates, in the “recently deleted” folder, in histories and calendars, and you type your replies in your own words. It is one of the more mature takes on the format, but it currently plays in Japanese and Traditional Chinese only, and its developer still lists Android as coming soon. Not Your Phone.

Leaked · Mobile Detective

An Android game by Hapiga Studio, built around one fictional phone per case and published with a Spanish description and interface. You read messages, feeds, notes, galleries and locked albums until the story holds together, and the game is explicit that the phones are fiction and that you are not looking at anyone’s real data. It is free with in-app purchases and ads, and the free portion is limited before it asks for the premium pass. Leaked · Mobile Detective on Google Play.

Stalkie · Mobile Detective

The broadest of the group: iPhone and Android, and more than a million installs on Google Play alone. Each case walks you through a fake phone full of apps, hidden data and deleted photos. Some questions are free and the full experience sits behind an in-app purchase, which several reviewers describe as closer to a demo than a full game. It is also the title other players most often recommend as a first step into the format; our games like Stalkie roundup covers its alternatives in detail.

Secreta

Secreta is a story game about four couples. In each case, someone who suspects their partner of lying gives you a copy of that partner’s phone and asks fifteen questions; you answer them from what the chats, the gallery, the map and the bank app show. Questions 1 to 9 of every case are free, there are three free hints per case, and the game plays offline with no account and no ads. It ships in ten languages, Spanish among them. It is fiction about suspicion inside a couple — not a crime story, not a police story and not a phone-monitoring app.

Comparison table: platform, price, Spanish, offline

Game	Platform	Price	Spanish	Offline
Cheaters | Infidelity Mystery	iOS	Free with in-app purchases	No	—
Find Proof - Cheaters puzzle	iOS	Free with in-app purchases	Yes	—
Not Your Phone: Mystery	iOS (Android coming soon)	Free to start, then a pass	No	—
Leaked · Mobile Detective	Android	Free with in-app purchases and ads	Yes	—
Stalkie · Mobile Detective	iOS + Android	Free with in-app purchases	—	—
Secreta	iOS + Android	Free up to question 9, then a Pro upgrade	Yes	Yes

A dash means the store listing does not document that feature. Secreta is the only one of the six that lists offline play as part of what it offers; the others are built around accounts, ads or downloadable cases, so it is safest to assume they want a connection.

These are games, not spy apps

Every game above simulates a phone. The messages, photos, receipts and location logs are written and rendered by the developer, the person asking for your help is a character, and the phone you explore belongs to no real device and no real account. That distinction matters, because the same search terms that lead to these games also lead to something else: commercial monitoring software, sold to watch a real phone without its owner knowing. That is a different product category with different rules. Installing a tool like that on another adult’s device without their consent is illegal in many countries, including under Spanish law.

The games on this list do not need any of it. They do not connect to a real phone, they do not ask you to enter someone’s credentials, and the only thing they monitor is a script that was written for you to read. If an app ever asks for access to your messages, your contacts or your location in order to “check” another person’s device, that is not a game, and it should be closed immediately. The point of these titles is entertainment: a closed story about trust that you can finish in an evening and put down.

How Secreta fits in

Secreta belongs on this shelf, at the emotional end of it. It is fiction about a couple — suspicion, secrets and lies — and the whole game is answering a client’s questions from a fictional phone. It is not a crime or police story, and it is not a phone-monitoring app. If you liked the slow, human cases in Not Your Phone or Leaked but wanted them in Spanish, offline and without ads, Secreta is the version built for that.