Primrows+ vs SmoothBrain
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Primrows+
A logic puzzle game where you grow and prune flowers in a whimsical garden. It combines sudoku-like rules with elements of chance and pattern recognition. Enjoy weekly challenges, seasonal artwork, and an ambient soundscape.
- Sudoku-inspired logic puzzles
- Whimsical garden theme
- Weekly challenges with special mechanics
- Ambient nature soundscape
- Seasonal artwork
- Quick Play and Journal Play modes
- Color blindness and low vision accessibility
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A challenging game of logic, luck, and pattern recognition that adds a twist of chance to sudoku mechanics. Tend to a whimsical garden with organic sounds and visuals while you unearth new weekly challenges that introduce special mechanics. Test your skills in a game of logic, luck, and pattern recognition. After flowers grow at random, prune them away to ensure there are no two of the same flower in any row, column, or quadrant. Harvest at the end of each round to collect points and grow your high score. Master new challenges presented in each round as you watch your gardens flourish! Harvest as many points as you can in Quick Play or enjoy the more advanced Journal Play that rewards you for meeting certain criteria. Can’t get enough? Anticipate each Weekly Challenge that introduces special flowers and tiles that change the gameplay. Celebrate holidays and other milestones with themed challenges and festive artwork to get you in the spirit of the season. Primrows combines elements from sudoku and board games into an approachable and novel puzzle challenge that invites you to play at your own pace. With a high skill ceiling and plenty of depth, gameplay offers a challenging and versatile experience. Immerse yourself in ambient music and hand-painted backgrounds that change with each season. Primrows features award-winning visuals that invite you to settle in and strategize. Features: • Scratch that puzzle itch with Quick Play or enjoy deep strategy with Journal Play • Weekly challenges to expand your gardening expertise • Balance strategy, chance, and pattern recognition with no time pressure • Immersive ambient soundscape inspired by nature • Cheerful artwork that changes with the seasons • Infinitely replayable with a high skill ceiling • Digestible for players of all skill levels • Accessibility for color blindness and low vision -------AWARDS------- • Indie Game Dev Best Visuals Award at Cleveland Gaming Classic 2025 • Featured in Moonlite Madness Showcase 2025 • Featured in Rainbow Tech Fest 2025 • Featured in the Queer Games Bundle 2025 on Itch Rated 3+ by the Indonesia Game Rating System (IGRS)
SmoothBrain
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Your birthday says how old you are. SmoothBrain tells the TRUTH — how old you are today, after that night, after that coffee (or lack of it). 90 seconds. 3 games. Zero mercy: » FLASH — pure reflex. Tap when the screen turns green. Not earlier. Seriously, not earlier. » COLOR TRAP — the Stroop test. The FONT COLOR counts, not the word. Your brain will read. And lose. » SWITCHER — rules change mid-game. Color? Shape? Keep up or autopilot eats you. At the end you get your MENTAL AGE — based on real mental chronometry (reaction time, interference, task-switching cost) — plus a meme verdict with a stamp: from "5G BRAIN" to "ZOMBIE CERTIFICATE". Then the best part: send friends a result card with a challenge. Let them prove their brain is younger. They won't. • Your result changes day to day — play in the morning, after coffee, after the party • NERD MODE — full telemetry: every trial's time, errors, age components • Today's attempt history — get younger before noon • In English, Polish and Spanish • No accounts, no ads, no data collection It's a game, not a medical diagnosis. You'll still take it personally.
Screenshots
Verdict
The clearest difference is in-app purchases: SmoothBrain at none against Primrows+'s 1. SmoothBrain also leads on update cadence (every 2 days vs every 2 months). Primrows+'s advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price and ads 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. Primrows+ sells 1 one-off in-app purchase. SmoothBrain asks for nothing beyond the download.
Primrows+ ships an update every 2 months, SmoothBrain every 2 days. The most recent releases landed on October 3, 2026 and September 24, 2026 respectively.
| Parameter | Primrows+ | SmoothBrain |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (18 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 18 — better | — |
| Update frequency | Every 2 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 394 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Tursiops Truncatus Studios | GROWMIND LABS TOMASZ SZYMANSKI |
In-app purchases
Primrows+
- Premium$4.99
SmoothBrain
No in-app purchases









