PIN Master vs Machine Analysis
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PIN Master
This app offers a unique method for storing PIN codes by hiding them within a grid of characters. Users memorize a pattern instead of digits, making it secure even if the screen is viewed. It supports letters and symbols, iCloud sync, and a modern interface.
- Pattern-based PIN storage
- Grid hiding mechanism
- Support for letters and symbols
- iCloud synchronization
- Modern user interface
- Quick preview and undo functionality
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PIN Master — a unique way to store PIN codes that's impossible to crack, even if someone sees your screen. HOW IT WORKS Instead of memorizing digits — memorize a pattern. Your PIN is hidden among 77 characters in a grid. Only you know where: "my PIN is under the highlighted circles" or "first column top to bottom." NEW IN VERSION 3.0 - Letters & Symbols — create grids with digits, letters, or mixed content - Modern Design — completely redesigned interface - iCloud Sync — your data across all your devices - Quick Preview — long-press a card to preview the grid - Undo Changes — easily revert accidental edits - Delete Protection — locked cards cannot be deleted WHY PIN MASTER - Secure — even if someone sees the screen, they won't know your PIN - Simple — one glance and you remember the code - Reliable — data stored locally and in your iCloud - Free — no ads, no purchases PERFECT FOR - Bank card PIN codes - Safe and lock combinations - Any numeric passwords Over 10 years in the App Store. Thousands of happy users.
Machine Analysis
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Machine Analysis simplifies equipment maintenance and fluid analysis for service technicians. Schedule tasks, perform inspections, analyze fluids, and generate reports—all from your mobile device. Perfect for field engineers managing machinery maintenance and service operations.
Screenshots
Verdict
The clearest difference is update cadence: Machine Analysis at every 3 weeks against PIN Master's every 3 months. Machine Analysis also leads on iOS requirement (15.1 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.
PIN Master ships an update every 3 months, Machine Analysis every 3 weeks. The most recent releases landed on November 6, 2026 and November 10, 2026 respectively.
| Parameter | PIN Master | Machine Analysis |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 95.7% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 26.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 4 MB | 52 MB |
| Age rating | 4+ | 4+ |
| Developer | Ilya Tsarev | Volvo Construction Equipment |
In-app purchases
PIN Master
No in-app purchases
Machine Analysis
No in-app purchases









