Pattrn vs 37S
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Pattrn
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A simple memory game where you tap the circles in the same order.
37S
A challenging arcade game where players must navigate a square through a maze of moving blocks and walls for 37 seconds. It's an addictive test of reflexes and precision, rumored to be used by the US Air Force for pilot training.
- Hold and drag gameplay
- Avoid moving blocks and walls
- Test reflexes and precision
- Addictive challenge
- Simple controls
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To start the game click and hold the square in center of screen. The aim of the game is to move the square around the screen without touching the wall or getting hit by any of the blocks and walls. It's been said that the US Air Force use this to test their fighter pilots. If you can go longer than 37 seconds you are phenomenal. Give it a try but be careful...it's addictive!
Screenshots
Verdict
The clearest difference is update cadence: 37S at every 5 months against Pattrn's every 17 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. Neither carries in-app purchases, so what you see is what you pay.
Pattrn ships an update every 17 months, 37S every 5 months. The most recent releases landed on October 4, 2026 and October 24, 2026 respectively.
| Parameter | Pattrn | 37S |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.0 (2 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 17 months | Every 5 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 12 MB | 61 MB |
| Age rating | 4+ | 4+ |
| Developer | Peter Entwistle | Andreii Simaranov |
In-app purchases
Pattrn
No in-app purchases
37S
No in-app purchases
