Retro N vs Brain Forest
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Retro N
Engage in retro-style brain training that makes the N-back task enjoyable. Improve memory, focus, and emotional control through a superhero-themed game. Suitable for all ages, it offers a free, ad-supported experience with optional in-app purchases.
- Retro 8-bit N-back gameplay
- Improves memory and focus
- Superhero Ranger theme
- Up to 3 players on one device
- No login or personal data collection
- Minimal ads, child-safe
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Retro-style 8-bit brain training that makes N-back fun. Improve memory, focus, and emotional control while playing. “Level 10 is insane!” A surprisingly deep N-back challenge that kids and adults can enjoy for free. 【What Makes This App Different】 ・The only N-back app themed with Retro Game × Superhero Rangers ・All 15 stages completely free (optional tip only) ・Up to 3 players on one device (great for kids, siblings, parents) ・No login, no email, no personal data collected ・Minimal ads, safe for children ・Simple controls anyone can learn instantly 【Player Reviews】 ・“Hard even for adults until you get used to it. The retro RPG-style intro feels exciting.” ・“Surprisingly challenging, but you can feel it working. Finding the rhythm is fun.” ・“I almost gave up at Level 6, but finally cleared it after sticking with it.” 【Does Any of This Sound Familiar?】 ・You forget things more easily ・You struggle to stay focused ・You get irritated without meaning to ・Your thinking feels slower ・You want your smartphone time to be more meaningful This app turns the scientifically studied N-back task into a retro game you can naturally keep playing. 【Recommended For】 ・Anyone who wants to improve emotional control ・People seeking better focus and memory ・Fans of nostalgic retro games ・Those who struggled with other training methods ・Anyone wanting stress relief ・Parents looking for an educational game for kids 【What Is the N-Back Task?】 Introduced by Kirchner in 1958, the N-back method strengthens working memory by recalling information from “N steps earlier” while making quick decisions. Abilities expected to improve include: ・Memory ・Focus and sustained attention ・Judgment ・Emotional regulation Working memory is the mental “workbench” essential for learning, productivity, and daily life. 【Training Design of Memory Rangers】 ・Level 1 starts with remembering one step back (beginner-friendly) ・Difficulty gradually increases across 15 stages ・Level 10 is famously tough for those seeking a challenge ・Retro RPG-style presentation keeps the journey engaging Simple to play, yet you will feel real cognitive challenge as you progress. 【Fun for Families】 One device supports up to 3 profiles, allowing: ・Siblings to compete ・Parents and children to challenge each other ・Friends to enjoy the training together 【Message from the Developer】 N-back is effective but mentally demanding, and many people struggle to keep it going. Still, I believed there were people who wanted to improve emotional balance, focus, and daily well-being. I wanted to create an experience where “you were enjoying a game… and before you knew it, your brain had improved.” That is why I combined the excitement of superhero teams with the warmth of retro games, creating a training method anyone—kids or adults—can continue without stress. If this app brings even a little more calm, focus, or happiness to your daily life, nothing would make me happier. Start your retro brain-training journey today.
Brain Forest
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Train your focus in a calm forest of cute animals. Brain Forest is a quick brain-training game: watch the animals, remember their order, then tap them back in the same sequence. Each level gets a little harder, so it is easy to start and satisfying to improve. Choose Beginner, Intermediate, or Advanced stages, check your best records, and keep a daily streak. Short sessions fit into a break, commute, or evening routine. You can also set daily reminders. Premium removes ads and unlocks unlimited hints and revives for smoother training. Terms of Use https://noutorenomori-33876.web.app/en/terms.html?lang=en Privacy Policy https://noutorenomori-33876.web.app/en/privacy.html?lang=en
Screenshots
Verdict
The clearest difference is update cadence: Brain Forest at weekly against Retro N's every 8 months. On price, ads, in-app purchases and device support 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. Retro N sells 4 one-off in-app purchases and Brain Forest sells 2 in-app purchases, starting at $3.00 per month. Whichever you choose, the download price is not the number that matters.
Retro N ships an update every 8 months, Brain Forest weekly. The most recent releases landed on November 2, 2026 and October 27, 2026 respectively.
| Parameter | Retro N | Brain Forest |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 8 months | Weekly — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 74 MB | 57 MB |
| Age rating | 4+ | 4+ |
| Developer | TELULU LLC | SHOGO YOSHIDA |
In-app purchases
Retro N
- Support for this app (100)$0.49
- Remove Ads$2.99
- Support for this app (500)$2.99
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- Support for this app (1000)$5.99
Brain Forest
- Brain Forest Premium (Monthly)$3.001 Month
- Brain Forest Premium (Annual)$18.001 Year







