ProfitMaster vs Simple Profit Calculator +
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ProfitMaster
This app quickly calculates profit, profit margin, shipping costs, and fees for online sales. It simplifies price setting with easy-to-use buttons and precise input for fees, helping users avoid losses and optimize pricing.
- Instant profit and profit margin calculation
- Input for selling price, cost, shipping, and fees
- Easy-to-use button input for adjustments
- Precise fee input with decimal support
- Supports online marketplace sellers
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【フリマ・せどりの必需品】 販売価格・原価・配送料・手数料を入力するだけで、利益と利益率を瞬時に自動計算！ワンタップで数値を調整できるボタン入力、長押しでもサクサク快適。手数料は詳細な小数点入力にも対応しています。シンプル操作で出品前の価格設定を強力にサポートする使いやすさを追求した計算アプリです。
Simple Profit Calculator +
Easily calculate profit and sales prices for online marketplaces. Save and edit your calculation data with a simple, intuitive interface. Ideal for personal sales and flea market listings.
- Calculate profit from sales price, cost, and fees
- Calculate sales price from profit, cost, and fees
- Save and edit calculation results
- Intuitive and simple operation
- Supports flea market and personal sales
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You can easily calculate the profit and sales price when listing on flea market apps. The calculated data can be saved. ■ Functions and features ・Calculate profit from sales price, cost, packaging cost, delivery charge, and commission ・Calculate sales price from profit, cost, packaging cost, delivery charge, and commission ・Calculation result data can be saved and edited ・Simple and intuitive operation ■ Example of use ・ Profit calculation and sales price determination when listing on Mercari, flea market, etc. ・ Profit calculation and sales price determination in personal sales such as auctions
Screenshots
Verdict
The clearest difference is review sentiment: Simple Profit Calculator + at 86% against ProfitMaster's 50%. Simple Profit Calculator + also leads on iOS requirement (13.0 vs 17.6). ProfitMaster's advantage is update cadence (every 4 days vs every 6 weeks). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ProfitMaster ships an update every 4 days, Simple Profit Calculator + every 6 weeks. The most recent releases landed on June 1, 2026 and September 21, 2026 respectively.
| Parameter | ProfitMaster | Simple Profit Calculator + |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | 85.7% of reviews — better |
| Update frequency | Every 4 days — better | Every 6 weeks |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | Ad-supported |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 58 MB |
| Age rating | 4+ | 4+ |
| Developer | Satoshi Takahashi | ITK dev |
Customer experience
ProfitMaster
Simple Profit Calculator +
In-app purchases
ProfitMaster
No in-app purchases
Simple Profit Calculator +
No in-app purchases
