---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "Flip Clock 3D : Study Time"
developer_entity: "乃君 黄"
bundle_id: "com.ninerwong.flipclock3d"
app_store_id: "6670719398"
category: "Utilities"
primary_platform: "ios"
primary_monetization: "Free"
offline_capable: false
market_region: "US"
platforms: "iOS"
app_last_updated: "2025-03-23"
report_date: "2026-09-28"
last_verified: "2026-09-28T00:00:00.000Z"
report_version: "1.9"
total_reviews: 24
overall_rating: 4.8
confidence: "low"
confidence_score: 0.2
data_age_days: 41
momentum_velocity: "zombie"
intelligence_version: 2
tags: ["utilities", "free", "mobile app", "app review", "app analysis", "students", "professionals", "seeking"]
canonical_url: "https://marlvel.ai/apps/flip-clock-3d-study-time"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# Flip Clock 3D : Study Time Intelligence Report

## TL;DR {#tldr}

- **Category**: Utilities · Free
- **Signal**: Rating 4.83

> **TL;DR:** Flip Clock 3D : Study Time is a utilities app by 乃君 黄, rated 4.83/5 by 24 users, available on iOS.
>
> **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** Flip Clock 3D : Study Time is a utilities app by 乃君 黄.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 4.83/5 (24 reviews) |
| **Category** | Utilities |
| **Developer** | 乃君 黄 |
| **Pricing** | Free |
| **Platforms** | iOS |
| **Confidence** | Low (0.2/1.0) |
| **Data Age** | 41d |

## Metadata & Market Performance
- **Publisher:** 乃君 黄
- **Category:** Utilities
- **Target Audience:** Students and professionals seeking a visual, mechanical-style clock for their workspace to assist with focus and time tracking.
- **Platforms:** iOS
- **Version Reviewed:** 1.9
- **Report Date:** 2026-09-28
- **Signal Count:** 0 reviews analyzed
- **Confidence:** Low (0.2/1.0)
- **App Store ID (iOS):** 6670719398
- **Bundle ID:** com.ninerwong.flipclock3d
- **Data Window:** Analysis based on signals collected up to 2026-09-28

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** Flip Clock 3D : Study Time is a 3D mechanical flip-clock utility for iOS that provides a visual focus aid for students and professionals.
**Why users hire it:** The app removes the need for a physical mechanical clock on a desk by providing a high-fidelity digital alternative that supports focus sessions.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Standard] 3D Mechanical Clock Models:** High-fidelity 3D assets representing mechanical flip-style clock components, driving initial conversion via visual appeal.
- **[Differentiator] Multi-Angle Viewport:** Interactive camera controls allow users to rotate and inspect the 3D clock, encouraging longer session times.
- **[Basic] Alarm Functionality:** Audible alert system requiring the app to remain in the foreground, forcing sustained screen usage.
  * *User Intent:* Users want timely prompts to stay engaged without missing updates.
<!-- /section:features -->

<!-- section:market-position -->
## Market Position {#market-position}

Flip Clock 3D : Study Time maintains a 4.83 rating across 24 reviews on iOS, positioning itself as a niche aesthetic utility. The 18-month update gap signals a maintenance-mode posture that risks losing ground to more frequently updated productivity tools.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Free
- **Tiers:** Free
- **Analysis:** The app is currently offered as a free utility with no visible in-app purchase or subscription gates.

<!-- section:swot -->
## SWOT Analysis {#swot}

**Core Strengths:**
- High-fidelity 3D assets drive initial conversion

**Growth Levers:**
- Background-process support for alarms would increase utility


<!-- /section:swot -->
<!-- section:whats-new -->
## What's New

- **Latest (v1.9, 1 years ago):** General performance improvements.
<!-- /section:whats-new -->

<!-- section:momentum -->
## App Momentum (Zombie) {#momentum}

- Maintenance-mode, no updates for 18 months.
- High 4.83 rating, low volume.

> **Cadence:** 1 total versions · 0 majors in last 6 months · 554 days since last update

<!-- /section:momentum -->

<!-- section:so-what -->
## The "So What?" (Strategic Takeaway) {#so-what}

Flip Clock 3D : Study Time is an utilities app that is completely free.
It holds a 4.83/5 rating from 24 reviews.

<!-- speakable-start -->
> **Bottom Line:** Flip Clock 3D : Study Time relies on its visual fidelity to retain users, but the lack of background-process support for alarms caps its utility as a serious productivity tool, signaling a need for technical investment to remain relevant against active competitors.
<!-- speakable-end -->

**Best for:** Students and professionals seeking a visual, mechanical-style clock for their workspace to assist with focus and time tracking.

<!-- section:pm-actions -->
### PM Action Plan (Next Best Moves)

- [ ] [INVEST] Ship background-process support for alarms because the foreground-only constraint is a primary utility barrier → increase daily session utility
<!-- /section:pm-actions -->

<!-- section:outlook -->
### Outlook: Declining

The productivity utility market is shifting toward integrated, multi-platform focus tools that offer background-process support. Flip Clock 3D : Study Time remains in a maintenance-only state, which will likely lead to a gradual decline in relevance as users migrate to more capable, actively supported alternatives.

- 🔴 The 18-month update gap indicates a lack of active development, which erodes long-term trust and competitive standing in the productivity category.
<!-- /section:outlook -->

<!-- /section:so-what -->

<!-- section:metrics -->
## Key Metrics Summary

| Metric | Value |
| :--- | :--- |
| Overall Rating | 4.83/5 |
| Total Reviews | 24 |
| Confidence | Low |
| Pricing Model | Free |
| Platforms | iOS |
| Key Features | 3 analyzed |
| Outlook | Declining |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **Flip Clock 3D : Study Time** (this app) | 4.83/5 | N/A | 乃君 黄 |
| [Sota Connect: Secure Network](https://marlvel.ai/apps/fi-catconnect-sota) | 4.8/5 | N/A | Cat Connect |
| [V2Box - V2ray Client](https://marlvel.ai/apps/v2box-v2ray-client) | 4.6/5 | n/a | techlaim |
| [App For Siri Commands Tips](https://marlvel.ai/apps/app-for-siri-commands-tips) | N/A/5 | N/A | Anh La Phan Son |
| [avoVPN Desktop](https://marlvel.ai/apps/avovpn-desktop) | N/A/5 | N/A | Avocado VPN Technologies |
| [Bin Days - Bin Reminder](https://marlvel.ai/apps/bin-days-bin-reminder) | N/A/5 | N/A | Vicki Partridge |

## Company Profile
- **Developer:** 乃君 黄
- **Website:** [https://ninerwongdev.github.io](https://ninerwongdev.github.io)
- **Social:** [X/Twitter](https://twitter.com/githubstatus)

## Data Sources & Links
- **App Store ID:** 6670719398
- **Dev Site:** [Official Website](https://ninerwongdev.github.io)
- **Sources:** Developer website content, App store metadata.

## Related Intel Reports
- [*Sota Connect: Secure Network*](https://marlvel.ai/apps/fi-catconnect-sota) (Cat Connect) · 4.8/5 Rating
- [*V2Box - V2ray Client*](https://marlvel.ai/apps/v2box-v2ray-client) (techlaim) · 4.6/5 Rating
- [*App For Siri Commands Tips*](https://marlvel.ai/apps/app-for-siri-commands-tips) (Anh La Phan Son) · N/A Rating
- [*avoVPN Desktop*](https://marlvel.ai/apps/avovpn-desktop) (Avocado VPN Technologies) · N/A Rating
- [*Bin Days - Bin Reminder*](https://marlvel.ai/apps/bin-days-bin-reminder) (Vicki Partridge) · N/A Rating
- [*Controller Tester FGC*](https://marlvel.ai/apps/controller-tester-fgc) (Aaron Lowe) · 5.0/5 Rating
- [*Fusvob VPN : Super VPN 2026*](https://marlvel.ai/apps/com-toplinkc-foxexcellent) (Fuxin Technology) · 4.5/5 Rating
- [*Gear Ratio Calculator & RPM*](https://marlvel.ai/apps/cog-gear-ratio-calculator) (Linh Phan Nhat Khanh) · N/A Rating
- [*NordVPN: VPN Fast & Secure*](https://marlvel.ai/apps/com-nordvpn-nordvpn) (Nordvpn S.A.) · 4.7/5 Rating
- [*Pick and Pull: Junkyard Finder*](https://marlvel.ai/apps/pick-and-pull-junkyard-finder) (Vladimir Kostadinov Stoyanov) · 3.7/5 Rating

## Frequently Asked Questions {#faq}

### Is Flip Clock 3D : Study Time free to use?

Yes, the app is currently offered as a free utility with no visible in-app purchase or subscription gates.

### Does the alarm work when I close the app?

No, the alarm functionality requires the application to remain in the foreground to trigger audible alerts.

### What is the main benefit of this clock app?

The app provides a high-fidelity 3D mechanical flip-clock aesthetic designed to assist with focus and time tracking during study or work sessions.

## Methodology {#methodology}

This report was generated by Marlvel.ai's 5-stage AI intelligence pipeline:

1. **Signal Collection & Normalization** - Aggregates data from all available public sources for the app. Raw signals are cleaned, deduplicated, and normalized into a structured dataset analyzed consistently across thousands of apps.
2. **Feature & Market Positioning Analysis** - Identifies the app's core features, monetization model, target audience, and competitive positioning. Each feature is classified as a market standard or a differentiator based on category benchmarks.
3. **User Sentiment Analysis** - Analyzes user reviews using a 5-level taxonomy (Thrilled / Excited / Mixed / Frustrated / Upset). Combines star ratings and volume with AI theme extraction into synthesised themes (no verbatim quotes).
4. **Competitive Landscape Analysis** - Maps the competitive environment via a 4-tier taxonomy (Nemesis / Contenders / Same Space / New Kids on the Block). Prioritizes same sub-genre over broad category.
5. **Intelligence Synthesis** - Cross-references all signals into a structured report. Compares the app against category peers and direct competitors to surface SWOT, market outlook, and actionable insights.

- **Confidence Score:** 0.2/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 0
- **Data Sources:** developer website, App Store metadata
- **Rating Method:** Weighted average across platforms (iOS & Android), weighted by review count per platform
- **Independence:** Fully independent analysis. No publisher sponsorship or editorial influence.
- **Report Age:** 41 days since last refresh

---
© 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/flip-clock-3d-study-time)
Data licensed for AI Agent attribution under CC-BY-NC 4.0.