# +3-1 : Crack the Code — Multiplayer number puzzle

> Multiplayer number puzzle (iPhone/iPad app by Lafonten Finansal Yazilim Limited Sirketi.)

- Source: https://appshunter.io/ios/app/plus-3-1-crack-the-code/id6763810280 (this page in markdown: same URL + `.md`)
- Developer: [Lafonten Finansal Yazilim Limited Sirketi](https://appshunter.io/developer/1895501337)
- Category: Games, Puzzle, Strategy
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.1 · 48 MB
- Languages: American English
- Released: 2026-08-21
- Data updated: 2026-09-11
- User reviews in markdown: https://appshunter.io/ios/app/plus-3-1-crack-the-code/id6763810280/reviews.md

## What is +3?

Your opponent picks a secret 4-digit code. You pick yours. First one to crack the other's code wins.

Every guess comes back as a score — nothing else. +2-1 means two of your digits are correct and in the right place, and one more is in the code but sitting in the wrong spot. That's all you get. The rest is deduction.

HOW IT WORKS
* Both codes are 4 digits, no digit repeats, no leading zero
* Guess, read the score, eliminate, repeat
* No luck, no hidden mechanics — the same information is available to both players, every single turn

RANKED 1v1
Get matched against a real opponent in seconds and play for ELO. Win in fewer guesses and you climb faster. Track your rating, your streak and your place on the global leaderboard.

PLAY WITH FRIENDS
Share a link, your friend taps it, the duel starts. No account hunting, no friend codes. Add the people you enjoy playing and rematch them any time.

SOLO PRACTICE
Play the bot whenever you want a game with no stakes and no waiting. It thinks like a strong human opponent, so beating it actually means something.

PUZZLE MODE
Hand-built stages you clear in order, each one solvable by pure deduction from the clues in front of you. No bot, no timer, no analysis helper — just you and the logic.

BUILT-IN ANALYSIS
In duels and solo practice, the keypad keeps score for you: digits your guesses have already proven to be in the code light up, digits you have ruled out go dark. It only ever states what your own guesses have logically forced — it never leaks the answer. On for everyone, no setting to fiddle with.

NO ADS
Not one. No banners, no interstitials, no rewarded videos — for free players and premium players alike. Nothing interrupts a duel.

START IN ONE TAP
Play as a guest immediately. No email, no signup wall. Save your progress with Apple or Google later, whenever you feel like it.

PREMIUM
Free players get 5 online matches a day. Premium removes the daily limit — play as much as you want. Solo play, puzzles and the tutorial are always free and unlimited.

Premium is an auto-renewing subscription, available as $2.99 per week, $7.99 per month or $39.99 per year. Payment is charged to your Apple ID account at confirmation of purchase. The subscription renews automatically at the same price unless it is cancelled at least 24 hours before the end of the current period, and your account is charged for renewal within 24 hours before the period ends. You can manage or cancel your subscription in your App Store account settings after purchase.

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://plus3minus1.lafon10.com/privacy

Simple rules. Very hard to master. Crack the code.

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Monthly Unlimited | $7.99 | per month |
| Annual Unlimited | $39.99 | per year |
| Weekly Unlimited | $2.99 | per 7 days |



## Version history (last 1 release)

### 1.0.0 — 2026-08-21

No release notes.

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## More apps by Lafonten Finansal Yazilim Limited Sirketi

- [Ariadne - Stop Overthinking](https://appshunter.io/ios/app/ariadne-stop-overthinking/id6793846378)

All apps by Lafonten Finansal Yazilim Limited Sirketi: https://appshunter.io/developer/1895501337

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-11.*