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⚡ Estimator

Guides

Practical articles on software cost, technology choices, app and mini program development, and AI integration.

Golang High-Concurrency Microservice Architecture & Performance Tuning

Golang High-Concurrency Microservice Architecture & Performance Tuning

1 min read

How to evaluate Go backend performance with reproducible workloads, percentile latency, error rates, profiling, and measured optimization decisions.

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Enterprise AI Agent & RAG Architecture: 2026 Production Practices

Enterprise AI Agent & RAG Architecture: 2026 Production Practices

2 min read

A reference design for evaluating enterprise AI assistants: source ownership, authorized retrieval, model comparison, tool controls, and operating evidence.

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How Product Teams Can Choose an App Development Studio

How Product Teams Can Choose an App Development Studio

1 min read

A selection guide for product teams evaluating development studios by communication, technical discovery, evidence, delivery controls, and code ownership.

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Google Play Closed Testing: How to Meet the 12-Tester Rule and Get Production Access

Google Play Closed Testing: How to Meet the 12-Tester Rule and Get Production Access

5 min read

Personal developer accounts created after 13 November 2023 must run a closed test with at least 12 testers for 14 continuous days before release. How the clock really works, why applications are refused, and how to run a test that passes.

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Google Play Policy Violations That Get Apps Rejected, Removed or Accounts Banned

Google Play Policy Violations That Get Apps Rejected, Removed or Accounts Banned

6 min read

The policy areas behind most Google Play rejections and suspensions in 2026, from metadata and minimum functionality to sensitive permissions, user data, real-money games and associated accounts, with the fix for each.

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MVP Estimate Checklist for Product Teams

MVP Estimate Checklist for Product Teams

1 min read

What product teams should clarify before accepting an MVP estimate: scope, dependencies, design reviews, source-code ownership, and post-launch support.

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How to Submit an App to the App Store in 2026: Requirements and Checklist

How to Submit an App to the App Store in 2026: Requirements and Checklist

6 min read

From enrolment to release: the Apple Developer Program, the Xcode 26 build requirement, privacy manifests, App Store Connect metadata and age ratings, the features reviewers check first, TestFlight and review.

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AI Chatbot Integration for SME Websites and Apps

AI Chatbot Integration for SME Websites and Apps

1 min read

How SMEs can add an AI chatbot to a website, app, or admin system while retaining control of content, data, cost, and escalation workflows.

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App Review Guideline Changes in 2025–2026: What Now Gets Apps Rejected

App Review Guideline Changes in 2025–2026: What Now Gets Apps Rejected

5 min read

Apple revised its App Review Guidelines in November 2025, February 2026 and June 2026, and changed the SDK and age rating requirements in between. Each change, what it means in practice, and who is affected.

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