4 = 1 vs Estad
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
Estad
This platform simplifies finding mentors through a smart matching system. It connects students, founders, and professionals with mentors based on compatibility, goals, and experience, eliminating cold outreach for direct, meaningful connections.
- Instant mentor discovery
- Smart compatibility matching
- Skip cold outreach
- Build one-on-one connections
- Accelerated growth with tailored guidance
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Estad is a mentorship platform that makes finding the right mentor as easy as swiping. Instead of sending endless cold messages or going through layers of people to reach one person, Estad matches you directly with mentors who actually want to help. Using a smart matching system and a swipe-based interface, Estad pairs students, founders, and professionals with mentors aligned to their goals, interests, and experience level. Both sides opt in, so every match is mutual and intentional. With Estad you can: • Find mentors instantly • Match based on real compatibility • Skip cold outreach • Build meaningful one-on-one connections • Grow faster with guidance that fits you Mentorship shouldn’t be hard. Estad makes it direct, human, and accessible.
Screenshots
Verdict
The clearest difference is device support: Estad at 3 against 4 = 1's 1. Estad also leads on iOS requirement (14.0 vs 16.0). On price, ads and in-app purchases 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.
| Parameter | 4 = 1 | Estad |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (4 ratings) — better |
| Number of ratings | — | 4 — better |
| Update frequency | Monthly | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 0 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Zoe Cutler | Ali Asfar |
In-app purchases
4 = 1
No in-app purchases
Estad
No in-app purchases
