Comparison

Tax Simulator vs ひわりん|1日あたりの価格で見直す買い物アプリ

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Tax Simulator

Easily calculate prices with changing tax rates. Supports US Dollars and Japanese Yen for quick calculations.

Highlights
  • Dynamic tax rate calculation
  • Supports USD and JPY
  • Easy to use interface
  • Price estimation
Features
Read full description

Compare tax-inclusive prices across three tax rates at once. WHAT IT DOES - Calculate the tax-inclusive price from a price excluding tax - Work backwards from a tax-inclusive price to the price before tax - Set three tax rates and compare the results side by side - See the difference from your base rate, colour-coded (higher in red, lower in green) WHEN IT HELPS - Checking how much a reduced rate changes the final price - Working out what a "plus tax" price actually comes to - Calculating with a rate from another country Tax rates are free-form, so it works for VAT and sales tax as well as Japanese consumption tax. DETAILS - The same screen on iPhone, iPad and Mac - Japanese, English and Chinese - No network needed. What you type never leaves your device

About

ひわりん|1日あたりの価格で見直す買い物アプリ

Features
Read full description

「この買い物、1日あたりXX円だったなら、全然アリじゃない?」 そんな“自己肯定感バフ”がもらえる日割り計算アプリ「ひわりん」登場! ひわりんは、大きな出費もポジティブに捉えられるお金の見方をサポートします。 価格と使う期間を入れるだけで、1日あたりの金額をひわりんがすぐに計算。 たとえば • MacBook(¥140,000)を5年間使えば、1日あたり約¥76! • コート(¥30,000)を3シーズン使えば、1日あたりたった¥27! 特徴 • 金額と期間を入れるだけでOK • 使いやすい日割り計算と履歴の保存 • SNSにシェアしやすいポップな画像生成 • 自己投資や買い物に対する罪悪感をやわらげる“見せ方” こんな方におすすめ! • 高い買い物で悩んでしまう人 • 自己投資をもっとポジティブに捉えたい人 • SNSで「いい買い物した!」を共有したい人 あなたの買い物に「納得感」と「理由」をくれる、やさしい計算アプリ。 さあ、ひわりんで “毎日いくら” を見てみよう!

Screenshots

Tax Simulator1 screens
ひわりん|1日あたりの価格で見直す買い物アプリ4 screens

Verdict

The call

The clearest difference is ads: ひわりん|1日あたりの価格で見直す買い物アプリ at none against Tax Simulator's shown. ひわりん|1日あたりの価格で見直す買い物アプリ also leads on update cadence (every 5 weeks vs every 13 months). Tax Simulator's advantage is iOS requirement (15.0 vs 18.5). On price, in-app purchases and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Tax Simulator ships an update every 13 months, ひわりん|1日あたりの価格で見直す買い物アプリ every 5 weeks. The most recent releases landed on November 6, 2026 and November 8, 2026 respectively.

Scorecard3 real differences · 7 level
Tax Simulator versus ひわりん|1日あたりの価格で見直す買い物アプリ: the parameters behind the verdict, then further details
ParameterTax Simulatorひわりん|1日あたりの価格で見直す買い物アプリ
PriceFreeFree
Rating1.0 (1 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 13 monthsEvery 5 weeks — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better18.5
Further details — not scored
Size4 MB11 MB
Age rating4+4+
DeveloperZelda, Inc.Tatsuki Kato

In-app purchases

None

Tax Simulator

No in-app purchases

None

ひわりん|1日あたりの価格で見直す買い物アプリ

No in-app purchases

Questions

Is Tax Simulator free?
Tax Simulator is free to download, with no in-app purchases.
Is ひわりん|1日あたりの価格で見直す買い物アプリ free?
ひわりん|1日あたりの価格で見直す買い物アプリ is free to download, with no in-app purchases.
Do Tax Simulator or ひわりん|1日あたりの価格で見直す買い物アプリ have ads?
Tax Simulator shows ads; ひわりん|1日あたりの価格で見直す買い物アプリ does not.
Which is updated more often, Tax Simulator or ひわりん|1日あたりの価格で見直す買い物アプリ?
Tax Simulator ships an update every 13 months, and ひわりん|1日あたりの価格で見直す買い物アプリ every 5 weeks. Most recently, Tax Simulator was updated on November 6, 2026 and ひわりん|1日あたりの価格で見直す買い物アプリ on November 8, 2026.

Other comparisons