Study Calculator vs nocki Vision
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Study Calculator
Read full descriptionHide full description
Every calculation you need for studying, in one app. BASICS: scientific calculator, unit converter (12 categories), fractions, percent and tax, square footage. MATH: equations (up to cubic, systems up to 4 unknowns), matrices with exact fractions, function graphs with roots and extrema, derivatives, integrals and limits, statistics with normal/t/ΟΒ²/F distributions and regression. SCIENCE & COMPUTING: molar mass and equation balancing, physics constants and error propagation, resistor color codes and Ohm's law, number bases and bitwise operations. ACADEMIC: GPA (4.5/4.3/4.0 scales) with target GPA, grade cutoffs and standard scores, D-day countdown. One side menu for everything, search, pins for favorites, calculation history, long-press to copy, dark mode. Free, no ads.
nocki Vision
Read full descriptionHide full description
nocki Vision is an AI video analysis management solution developed by Trustay. It allows for an immediate transition to an AI-based intelligent operating system while utilizing existing CCTV infrastructure. *What is nocki Vision? nocki Vision is an administrator-only app that goes beyond simple CCTV monitoring. It enables AI to automatically analyze situations within video footage and facilitates immediate response when anomalies are detected. By adding an AI layer to existing CCTVs without the need for separate camera replacement, it minimizes implementation costs and construction burdens. *Key Features [Real-time AI Event Detection] - Intrusion/Unauthorized Entry Detection - Fall/Collapse Detection - Fire/Smoke Anomaly Detection - Cluster/Congestion Analysis - Access Control Detection for Designated Areas [Admin Dashboard] - Integrated View of Camera Status and Detection Events by Site - Immediate Push Notifications Upon Event Occurrence - View Detection Video Clips and Event Logs - Detailed Management at the Site/Camera Level [Operational Efficiency] - Minimize control personnel through 24/7 unmanned automatic detection - Eliminate unnecessary video checks with event-based notifications - Support cloud-based remote monitoring - Simultaneous management of multiple sites * Applicable Sites - Logistics Centers / Warehouses - Manufacturing Plants / Industrial Facilities - Accommodation Facilities (Hotels Β· Motels) - Commercial Buildings / Offices - Multi-unit Housing Complexes - Performance Venues / Multi-use Facilities * Security and Reliability - Encrypted video data transmission - Permission-based access control - A separate contract with Trustay is required to use the service This app is a dedicated app for site managers of client companies that have adopted the nocki Vision service. Service Inquiry: help@trustay.me
Screenshots
Verdict
The clearest difference is update cadence: nocki Vision at every 2 weeks against Study Calculator's every 6 months. Study Calculator's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Study Calculator ships an update every 6 months, nocki Vision every 2 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.
| Parameter | Study Calculator | nocki Vision |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 months | Every 2 weeks β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod β better | iPhone |
| Requires iOS | 15.6 β better | 16.0 |
| Further details β not scored | ||
| Size | 140 MB | 70 MB |
| Age rating | 4+ | 4+ |
| Developer | yuhwa kim | Trustay Co.,Ltd |
In-app purchases
Study Calculator
No in-app purchases
nocki Vision
No in-app purchases
Questions
Is Study Calculator free?
Is nocki Vision free?
Do Study Calculator or nocki Vision have ads?
Which is updated more often, Study Calculator or nocki Vision?
Other comparisons















