--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Discount Calculator:Save Money" developer_entity: "Ryunosuke Nagase" bundle_id: "com.tinylab.discountCalculator" app_store_id: "6746526124" category: "Shopping" primary_platform: "ios" primary_monetization: "Free" offline_capable: false market_region: "US" platforms: "iOS & Android" app_last_updated: "2026-07-24" report_date: "2026-10-13" last_verified: "2026-10-13T00:00:00.000Z" report_version: "2.0.0" total_reviews: 5 overall_rating: 4.8 sentiment: "Thrilled" sentiment_score: 90 confidence: "medium" confidence_score: 0.45 top_praise_theme: "The calculation engine provides reliable results for users requiring precise decimal-based financial or mathematical outputs" review_sample_size: 1 total_review_count: 1 analyzed_review_count: 1 data_age_days: 32 momentum_velocity: "maintenance" intelligence_version: 2 tags: ["shopping", "free", "thrilled sentiment", "mobile app", "app review", "app analysis", "budget-conscious", "shoppers", "students"] canonical_url: "https://marlvel.ai/apps/discount-calculator-save-money" license: "CC-BY-NC 4.0" content_version: "v2" --- # Discount Calculator:Save Money Intelligence Report ## TL;DR {#tldr} - **Category**: Shopping · Free - **Signal**: Rating 4.8 · Sentiment Thrilled - **Recent focus**: The calculation engine provides reliable results for users requiring precise decimal-based financial or mathematical outputs (top praise) > **TL;DR:** Discount Calculator:Save Money is a shopping app by Ryunosuke Nagase, rated 4.8/5 by 5 users, with Thrilled user sentiment (90/100), available on iOS & Android. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Discount Calculator:Save Money maintains Thrilled user sentiment (4.8/5 from 5 reviews), with users consistently praising the calculation engine provides reliable results for users requiring precise decimal-based financial or mathematical outputs. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4.8/5 (5 reviews) | | **User Mood** | Thrilled | | **Category** | Shopping | | **Developer** | Ryunosuke Nagase | | **Pricing** | Free | | **Platforms** | iOS & Android | | **Confidence** | Medium (0.45/1.0) | | **Data Age** | 32d | ## Metadata & Market Performance - **Publisher:** Ryunosuke Nagase - **Category:** Shopping - **Target Audience:** Budget-conscious shoppers and students who need to calculate final prices and compare retail offers quickly. - **Platforms:** iOS & Android - **Version Reviewed:** 2.0.0 - **Report Date:** 2026-10-13 - **Signal Count:** 1 review analyzed - **Confidence:** Medium (0.45/1.0) - **App Store ID (iOS):** 6746526124 - **Bundle ID:** com.tinylab.discountCalculator - **Google Play ID:** com.tinylab.discountCalculator - **Data Window:** Analysis based on signals collected up to 2026-10-13 ## Executive Snapshot **What it is:** Discount Calculator:Save Money is a shopping utility for calculating discounted prices on iOS and Android. **Why users hire it:** The app removes the cognitive friction of manual percentage math while shopping, serving users who prioritize speed over complex financial features. ## App DNA (Features & Intent) - **[Differentiator] Multi-stage Discount Calculation:** Calculates final price after applying multiple consecutive percentage reductions. - **[Differentiator] Customizable Shortcut Buttons:** Allows users to add, edit, and delete frequently used percentage-off buttons for faster input. * *User Intent:* Users value self-expression and personalized experiences. - **[Differentiator] Persistent Keyboard:** Maintains the numeric input keyboard on-screen during the entire calculation process. * *User Intent:* Users seek enhanced value through premium features. ## Market Position {#market-position} Discount Calculator:Save Money occupies a niche utility space with a 4.8-star rating across 5 total store ratings. The lack of updates over the last 80 days indicates a stable, maintenance-focused position rather than a growth-oriented one. ## Monetization Strategy - **Model:** Free - **Tiers:** Free with ad support - **Analysis:** The app operates on a free, ad-supported model with no IAP or subscription tiers. ## 🟢 User Sentiment (Medium Confidence: 1 of 1 review analyzed) {#user-sentiment} - **Overall Rating:** 4.8/5 - **Platform Split:** iOS 4.8/5 (5 ratings) - **Overall Sentiment:** Thrilled ### Top Praises - **The calculation engine provides reliable results for users requiring precise decimal-based financial or mathematical outputs** ## SWOT Analysis {#swot} **Core Strengths:** - Persistent keyboard maintains input flow - Customizable shortcut buttons reduce input friction **Growth Levers:** - Add decimal precision settings for power users ## What's New - **Latest (v2.0.1, 2 months ago):** Maintenance update focused on bug fixes and performance improvements. - **Last Major (v2.0.0, 1 years ago):** Introduced a price breakdown view, multi-stage discount calculations, and customizable shortcut buttons for frequently used percentage offsets. ## App Momentum (Maintenance) {#momentum} - Ships only maintenance bug fixes. - No major feature updates since 2025. > **Cadence:** 2 total versions · 1 majors in last 6 months · 80 days since last update · 411 days avg between updates ## The "So What?" (Strategic Takeaway) {#so-what} Discount Calculator:Save Money is a shopping app that is completely free. It holds a 4.8/5 rating from 5 reviews. > **Bottom Line:** Implementing user-requested decimal precision settings would address the primary friction point for power users, securing the app's utility against more active competitors. **Best for:** Budget-conscious shoppers and students who need to calculate final prices and compare retail offers quickly. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Ship configurable decimal precision settings because users specifically request it for accuracy → increase retention ### Outlook: Stable The utility market is consolidating around apps that offer granular customization, and Discount Calculator:Save Money's lack of updates risks obsolescence. Prioritizing small, high-impact user requests like decimal precision will be necessary to maintain its current 4.8-star rating. - 🔴 The maintenance-only release cadence over the last year signals a lack of active investment, leaving the app vulnerable to feature-rich competitors. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4.8/5 | | Total Reviews | 5 | | Sentiment | Thrilled (90/100) | | Confidence | Medium | | Pricing Model | Free | | Platforms | iOS & Android | | Key Features | 3 analyzed | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Discount Calculator:Save Money** (this app) | 4.8/5 | Thrilled | Ryunosuke Nagase | | [Courtyard: TCG, Watches, Cards](https://marlvel.ai/apps/courtyard-trading-cards) | 4.5/5 | n/a | Courtyard, Inc. | | [Denkmako](https://marlvel.ai/apps/denkmako) | 5.0/5 | N/A | DENKMAKO SARL | | [Vinted: Pre-loved marketplace](https://marlvel.ai/apps/vinted-shop-sell-pre-loved) | 4.7/5 | Excited | Vinted Limited | | [바로딜 - 실시간 쇼핑 검색어 트렌드](https://marlvel.ai/apps/real-time-shopping-trends) | N/A/5 | N/A | hippieperm | | [모구모 - 일본을 스마트하게 즐기다](https://marlvel.ai/apps/app--287) | N/A/5 | N/A | GEONJU CHOI | ## Company Profile - **Developer:** Ryunosuke Nagase - **Website:** [https://tinylab-apps.web.app](https://tinylab-apps.web.app) ## Data Sources & Links - **App Store ID:** 6746526124 - **Google Play ID:** com.tinylab.discountCalculator - **Dev Site:** [Official Website](https://tinylab-apps.web.app) - **Sources:** Developer website content, App store metadata, User reviews. ## Related Intel Reports - [*Courtyard: TCG, Watches, Cards*](https://marlvel.ai/apps/courtyard-trading-cards) (Courtyard, Inc.) · 4.5/5 Rating - [*Denkmako*](https://marlvel.ai/apps/denkmako) (DENKMAKO SARL) · 5.0/5 Rating - [*Vinted: Pre-loved marketplace*](https://marlvel.ai/apps/vinted-shop-sell-pre-loved) (Vinted Limited) · 4.7/5 Rating | Positive Sentiment - [*바로딜 - 실시간 쇼핑 검색어 트렌드*](https://marlvel.ai/apps/real-time-shopping-trends) (hippieperm) · N/A Rating - [*모구모 - 일본을 스마트하게 즐기다*](https://marlvel.ai/apps/app--287) (GEONJU CHOI) · N/A Rating - [*카쇼라 스튜디오*](https://marlvel.ai/apps/app--798) (Kakao Corp.) · N/A Rating - [*두란노몰*](https://marlvel.ai/apps/app--973) (Duranno) · N/A Rating - [*번개장터*](https://marlvel.ai/apps/net-quicket-app) (Pic&Go) · 4.4/5 Rating - [*배민상회 - 외식업 식자재 종합몰*](https://marlvel.ai/apps/com-woowahan-baeminmart) (WoowaBrothers) · 3.5/5 Rating - [*โดนใจ*](https://marlvel.ai/apps/th-co-donjai-donjai_partner_app) (Big C Supercenter) · 4.0/5 Rating ## Frequently Asked Questions {#faq} ### Is Discount Calculator:Save Money free to use? Yes, the app is free and supported by advertisements, with no in-app purchases or subscription tiers. ### Does the app allow for custom discount buttons? Yes, users can add, edit, and delete shortcut buttons for frequently used percentage-off values to speed up input. ### Can I adjust the decimal precision of the results? Currently, the app does not support configurable decimal precision, though this is a top-requested feature by users. ## 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:** 0.45/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 1 - **Data Sources:** user reviews, 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:** 32 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/discount-calculator-save-money) Data licensed for AI Agent attribution under CC-BY-NC 4.0.