# CoderStudio: 12 Testers — Closed Testing & Promotion

> Closed Testing & Promotion (iPhone/iPad app by Pradeepkumar Radhakrishnan.)

- Source: https://appshunter.io/ios/app/coderstudio-12-testers/id6762036121 (this page in markdown: same URL + `.md`)
- Developer: [Pradeepkumar Radhakrishnan](https://appshunter.io/developer/1781370703)
- Category: Business, Productivity
- Price: Free
- Age rating: 4+
- Requires: iOS 15.0 · 33 MB
- Languages: American English
- Released: 2026-05-13
- Data updated: 2026-09-09
- User reviews in markdown: https://appshunter.io/ios/app/coderstudio-12-testers/id6762036121/reviews.md

## What is CoderStudio?

CoderStudio helps app creators grow their products with real user engagement, app promotion services, and professional digital solutions.

Get active testers, promotion campaigns, development services, and business growth support—all in one platform.

FEATURES

• Active user testing support
• Real user engagement
• App promotion campaigns
• Mobile app development
• Website development services
• SEO and digital marketing solutions
• Direct customer support
• Real-time order tracking

USER TESTING

Connect with active users to gather valuable feedback, improve app quality, and prepare your applications for wider releases.

APP PROMOTION

Increase app visibility with targeted campaigns and real-device installs to improve discoverability and audience reach.

WEBSITE DEVELOPMENT

Build landing pages, business websites, and e-commerce solutions with our professional team.

APP DEVELOPMENT

Create custom mobile applications tailored to your business requirements.

SEO SERVICES

Improve search rankings, increase organic traffic, and grow your business online.

WHY CHOOSE CODERSTUDIO?

• Trusted digital solutions provider
• Real tester community
• Fast customer support
• Transparent pricing
• Professional development services
• Global audience targeting
• Complete growth solutions

Keywords:
app testing, user testing, app promotion, real users, mobile marketing, app growth, mobile development, Flutter development, website development, SEO services, digital marketing.


## Version history (last 5 releases)

### 1.0.23, Build  (23 — 2026-08-10

UI Fix: Wrapped dashboard text to prevent layout overflows.

### 21 — 2026-07-28

New Features & Improvements

• Added 12 Testers service for app developers
• Improved app submission and order flow
• Enhanced location-based targeting options
• Faster order tracking and support experience
• UI/UX improvements across all screens
• Performance optimizations and bug fixes
• Improved stability for a smoother experience

### 18 — 2026-07-01

What's New

• New 12 Testers feature added
• Better app promotion experience
• Improved order management
• Enhanced customer support system
• Performance improvements and bug fixes

### 17 — 2026-05-28

Bug fixes

### 1.0 — 2026-05-13

No release notes.

## More apps by Pradeepkumar Radhakrishnan

- [Tails Connect - Find Your Pet](https://appshunter.io/ios/app/tails-connect-find-your-pet/id6738598066)
- [PrelimsPro – UPSC Mock Tests](https://appshunter.io/ios/app/prelimspro-upsc-mock-tests/id6757098456)
- [Namma Bill – GST Billing](https://appshunter.io/ios/app/namma-bill-gst-billing/id6757142912)
- [Tails Connect](https://appshunter.io/ios/app/tails-connect/id6758783321)

All apps by Pradeepkumar Radhakrishnan: https://appshunter.io/developer/1781370703

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-09.*