4 = 1 vs NoFearStem+
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
4 = 1
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Solve fun math puzzles! Each puzzle is unique and has at least one possible solution. Use operators to form creative and complex equations. Created by Cory Tripathy and Zoe Cutler
NoFearStem+
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NoFearStem+ is a learning tool that provides resources to parents and teachers so they can teach their kids stem topics with lessons from NoFearCafe.
Screenshots
Verdict
The clearest difference is update cadence: NoFearStem+ at daily against 4 = 1's monthly. 4 = 1's advantage is iOS requirement (16.0 vs 26.0). 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.
4 = 1 ships an update monthly, NoFearStem+ daily. The most recent releases landed on November 8, 2026 and November 9, 2026 respectively.
| Parameter | 4 = 1 | NoFearStem+ |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 0 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Zoe Cutler | No Fear LLC |
In-app purchases
4 = 1
No in-app purchases
NoFearStem+
No in-app purchases
