--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "SixtySum - Time Calculator" developer_entity: "KENTA OSAWA" bundle_id: "com.keyroid.sixtysum" app_store_id: "6776988090" category: "Utilities" primary_platform: "ios" primary_monetization: "Paid" offline_capable: true market_region: "US" platforms: "iOS" app_last_updated: "2026-06-12" report_date: "2026-10-24" last_verified: "2026-10-24T00:00:00.000Z" report_version: "1.0.1" total_reviews: 0 confidence: "low" confidence_score: 0.05 data_age_days: 15 momentum_velocity: "maintenance" intelligence_version: 2 tags: ["utilities", "paid", "mobile app", "app review", "app analysis", "video", "editors,", "streamers,"] canonical_url: "https://marlvel.ai/apps/sixtysum-time-calculator" license: "CC-BY-NC 4.0" content_version: "v2" --- # SixtySum - Time Calculator Intelligence Report ## TL;DR {#tldr} - **Category**: Utilities · Paid > **TL;DR:** SixtySum - Time Calculator is a utilities app by KENTA OSAWA, available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** SixtySum - Time Calculator is a utilities app by KENTA OSAWA. ## Quick Facts | Fact | Value | | :--- | :--- | | **Category** | Utilities | | **Developer** | KENTA OSAWA | | **Pricing** | Paid | | **Platforms** | iOS | | **Confidence** | Low (0.05/1.0) | | **Data Age** | 15d | ## Metadata & Market Performance - **Publisher:** KENTA OSAWA - **Category:** Utilities - **Target Audience:** Video editors, streamers, and audio or stage crew members who require fast, accurate time-based arithmetic. - **Platforms:** iOS - **Version Reviewed:** 1.0.1 - **Report Date:** 2026-10-24 - **Signal Count:** 0 reviews analyzed - **Confidence:** Low (0.05/1.0) - **App Store ID (iOS):** 6776988090 - **Bundle ID:** com.keyroid.sixtysum - **Data Window:** Analysis based on signals collected up to 2026-10-24 ## Executive Snapshot **What it is:** SixtySum is a specialized time calculator for video editors and stage crews, designed to handle base-60 arithmetic without decimal conversion. **Why users hire it:** The app removes the cognitive friction of manual time-to-decimal conversion, which is a recurring bottleneck for professionals in production workflows. ## App DNA (Features & Intent) - **[Differentiator] Base-60 Time Calculation:** Calculates hours, minutes, and seconds without converting to decimal, preventing errors in time-based arithmetic. - **[Differentiator] Quick-Add Presets:** Single-tap entry for 15, 30, and 45-minute increments reduces friction for repetitive professional tasks. * *User Intent:* Users seek enhanced value through premium features. - **[Standard] Offline Functionality:** Performs all calculations locally without requiring an internet connection, ensuring utility in studio or field environments. * *User Intent:* Users want uninterrupted access without internet dependency. ## Market Position {#market-position} SixtySum serves the professional utility segment with a focused, offline-first toolset. Its lack of recent feature updates (133 days since last store update) suggests a mature product lifecycle rather than an aggressive growth strategy. ## Monetization Strategy - **Model:** Paid - **Tiers:** One-time purchase - **Analysis:** The app utilizes a one-time purchase model with no subscriptions or ads, positioning itself as a utility tool rather than a service. ## SWOT Analysis {#swot} **Core Strengths:** - Base-60 calculation engine provides specialized utility for professional workflows that standard calculators cannot handle. **Growth Levers:** - Localized pricing in high-ARPU markets could capture professional users who currently rely on generic, ad-heavy alternatives. ## What's New - **Latest (v1.0.1, 4 months ago):** Updated the Japanese store description. ## App Momentum (Maintenance) {#momentum} - Ships maintenance-only updates. - Last major release 4 months ago. > **Cadence:** 1 total versions · 0 majors in last 6 months · 133 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} SixtySum - Time Calculator is an utilities app that is a paid app. > **Bottom Line:** SixtySum maintains a stable utility position by solving a specific professional pain point, but the lack of recent feature investment leaves it vulnerable to general-purpose calculator updates that could eventually replicate its core base-60 functionality. **Best for:** Video editors, streamers, and audio or stage crew members who require fast, accurate time-based arithmetic. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Audit user-requested features because the current 4-month development silence risks stagnation → maintain professional relevance ### Outlook: Stable The professional utility market is consolidating, with users increasingly favoring stable, offline-first tools over ad-supported alternatives. SixtySum is well-positioned for this segment, but it must ensure its core base-60 engine remains the most efficient option to avoid displacement by general-purpose competitors. - ⚪ The 133-day update gap confirms a maintenance-focused cadence, which prioritizes stability over the rapid feature expansion seen in broader utility apps. - 🟢 The one-time purchase model creates a clear value proposition for professionals who reject subscription fatigue in their daily toolset. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Total Reviews | 0 | | Confidence | Low | | Pricing Model | Paid | | Platforms | iOS | | Key Features | 3 analyzed | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **SixtySum - Time Calculator** (this app) | N/A/5 | N/A | KENTA OSAWA | | [Sota Connect: Secure Network](https://marlvel.ai/apps/fi-catconnect-sota) | 4.9/5 | 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:** KENTA OSAWA ## Data Sources & Links - **App Store ID:** 6776988090 - **Sources:** App store metadata. ## Related Intel Reports - [*Sota Connect: Secure Network*](https://marlvel.ai/apps/fi-catconnect-sota) (Cat Connect) · 4.9/5 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 - [*MDflow Web Clipper*](https://marlvel.ai/apps/mdflow-web-clipper) (DataOps, s.r.o.) · N/A Rating - [*NordVPN: VPN Fast & Secure*](https://marlvel.ai/apps/com-nordvpn-nordvpn) (Nordvpn S.A.) · 4.7/5 Rating ## Frequently Asked Questions {#faq} ### Is SixtySum suitable for professional video editing? Yes, SixtySum is designed for video editors and audio crews who need to perform base-60 time arithmetic without converting to decimal, which is a common requirement in professional production workflows. ### Does SixtySum require an internet connection? No, SixtySum performs all calculations locally and works fully offline, making it reliable for use in studio or field environments where connectivity may be limited. ### How does SixtySum compare to a standard calculator? Standard calculators operate in base-10, which requires manual conversion for time-based math. SixtySum is built specifically for base-60, allowing users to add and subtract hours, minutes, and seconds directly. ### Are there any subscription fees for SixtySum? No, SixtySum uses a one-time purchase model with no subscriptions, ads, or account requirements, ensuring the tool remains accessible without recurring costs. ## 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:** 0.05/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 0 - **Data Sources:** 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:** 15 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/sixtysum-time-calculator) Data licensed for AI Agent attribution under CC-BY-NC 4.0.