---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "ChronoSum: Time Calculator"
developer_entity: "Tiago Melo"
bundle_id: "info.tiagomelo.chronosum"
app_store_id: "6772844618"
category: "Utilities"
primary_platform: "ios"
primary_monetization: "Free"
offline_capable: false
market_region: "US"
platforms: "iOS"
app_last_updated: "2026-05-30"
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: 0.3
data_age_days: 22
momentum_velocity: "maintenance"
intelligence_version: 2
tags: ["utilities", "free", "mobile app", "app review", "app analysis", "freelancers,", "students,", "professionals"]
canonical_url: "https://marlvel.ai/apps/chronosum-time-calculator"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# ChronoSum: Time Calculator Intelligence Report

## TL;DR {#tldr}

- **Category**: Utilities · Free

> **TL;DR:** ChronoSum: Time Calculator is a utilities app by Tiago Melo, available on iOS.
>
> **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** ChronoSum: Time Calculator is a utilities app by Tiago Melo.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Category** | Utilities |
| **Developer** | Tiago Melo |
| **Pricing** | Free |
| **Platforms** | iOS |
| **Confidence** | Low (0.3/1.0) |
| **Data Age** | 22d |

## Metadata & Market Performance
- **Publisher:** Tiago Melo
- **Category:** Utilities
- **Target Audience:** Freelancers, students, and professionals needing to track or calculate time durations for billing, shifts, or study sessions.
- **Platforms:** iOS
- **Version Reviewed:** 1.0.1
- **Report Date:** 2026-10-24
- **Signal Count:** 0 reviews analyzed
- **Confidence:** Low (0.3/1.0)
- **App Store ID (iOS):** 6772844618
- **Bundle ID:** info.tiagomelo.chronosum
- **Data Window:** Analysis based on signals collected up to 2026-10-24

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** ChronoSum is a time-duration calculator for iOS that enables users to add and subtract hours and minutes using a persistent, editable calculation tape.
**Why users hire it:** It removes the friction of manual duration tracking by providing a dedicated interface for timesheets and project logs, which standard calculators fail to support.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Differentiator] Live Calculation Tape:** Running arithmetic list where every entry remains visible and editable, increasing session duration by allowing users to refine timesheets.
  * *User Intent:* Users expect intelligent, adaptive experiences that learn from their behavior.
- **[Standard] Arithmetic Keypad:** Calculator-style interface supporting direct addition and subtraction of hours and minutes.
- **[Standard] Local History:** Saves calculation sessions locally for later retrieval, reinforcing the open-app habit.
<!-- /section:features -->

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

ChronoSum operates as a niche utility within the Utilities category, currently maintaining a 0-rating status on the iOS platform. The lack of recent store activity or user feedback indicates a low-visibility position that relies on organic search for discovery.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Free
- **Tiers:** Free with in-app banner ads
- **Analysis:** Monetization relies entirely on Google AdMob banner inventory within a free, ad-supported utility model.

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

**Core Strengths:**
- Live calculation tape mechanism enables complex time-sequence editing
- Local history storage reinforces recurring timesheet usage

**Growth Levers:**
- CSV export integration would capture professional freelance billing segments


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

- **Latest (v1.0.1, 4 months ago):** Minor adjustments were implemented.
<!-- /section:whats-new -->

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

- Ships no significant updates in 146 days.
- Maintains maintenance-mode release cadence.

> **Cadence:** 1 total versions · 0 majors in last 6 months · 146 days since last update

<!-- /section:momentum -->

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

ChronoSum: Time Calculator is an utilities app that is completely free.

<!-- speakable-start -->
> **Bottom Line:** ChronoSum provides a functional duration-tracking mechanism, but the 146-day update gap leaves it vulnerable to more active competitors. Adding structured export capability would unlock professional billing use cases and differentiate the app from standard calculator tools.
<!-- speakable-end -->

**Best for:** Freelancers, students, and professionals needing to track or calculate time durations for billing, shifts, or study sessions.

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

- [ ] [INVEST] Ship CSV export functionality because professional freelancers require structured data for billing → increase utility value
<!-- /section:pm-actions -->

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

ChronoSum remains in a stable, maintenance-focused state with no immediate pressure to scale. The lack of recent updates suggests the developer is not prioritizing growth, which leaves the app exposed to more active competitors that may introduce similar time-tracking features.

- ⚪ The 146-day maintenance-mode cadence suggests a stable, low-cost utility model rather than an active growth strategy.
- 🔴 The lack of user ratings or reviews prevents the accumulation of social proof, which is critical for new-user conversion.
<!-- /section:outlook -->

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

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

| Metric | Value |
| :--- | :--- |
| Total Reviews | 0 |
| Confidence | Low |
| Pricing Model | Free |
| Platforms | iOS |
| Key Features | 3 analyzed |
| Outlook | Stable |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **ChronoSum: Time Calculator** (this app) | N/A/5 | N/A | Tiago Melo |
| [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:** Tiago Melo
- **Website:** [https://tiagomelo.info](https://tiagomelo.info)
- **Social:** [LinkedIn](https://www.linkedin.com/in/tiagocmelo)

## Data Sources & Links
- **App Store ID:** 6772844618
- **Dev Site:** [Official Website](https://tiagomelo.info)
- **Sources:** Developer website content, About us / company information, App store metadata.

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## Frequently Asked Questions {#faq}

### Is ChronoSum suitable for professional freelance billing?

ChronoSum is useful for preparing billing data, but it currently only supports plain-text sharing. Professionals requiring structured data for accounting software may find the lack of CSV or spreadsheet export limiting.

### Does ChronoSum require an internet connection?

ChronoSum is designed for local use and does not require an account or login. However, the app does display in-app banner ads served by Google AdMob, which requires an active internet connection.

### What is the difference between ChronoSum and a standard calculator?

Standard calculators often lack persistent history and time-specific unit handling. ChronoSum provides a live calculation tape that keeps every entry visible and editable, specifically designed for adding and subtracting hours and minutes.

### Are there free alternatives to ChronoSum?

Many general-purpose calculator apps offer time-conversion plugins. However, ChronoSum is free to use and offers a specialized, distraction-free interface for duration arithmetic that general calculators may not provide.

## 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:** 0.3/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 0
- **Data Sources:** developer website, company about page, 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:** 22 days since last refresh

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