Comparison

@PriceCalc vs DotChi?

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

Head to head
About

@PriceCalc

Easily calculate unit prices to compare different product sizes and quantities. Save up to four comparisons, perfect for tracking main units versus refills or single items versus sets. Supports iCloud syncing across devices.

Highlights
  • Calculate unit prices
  • Compare different quantities and sizes
  • Save up to 4 sets of comparisons
  • iCloud data syncing
  • Multi-window support on iPad
  • Drag and drop functionality
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Calculate the unit price from the content, quantity, and price. You can save up to 4 sets, so you can save comparisons between the main unit and refills, different capacities, single units and sets, etc. On the iPad, you can open multiple windows and copy between windows by dragging and dropping. iCloud allows you to sync data between multiple devices such as iPhone and iPad. --------------------- ◎ About subscriptions and paid features --------------------- Please see below for terms and conditions regarding subscription and use of paid features. 1. Privacy Policy: https://gsoft.jp/privacypolicy/ 2. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

DotChi?

Features
Read full description

お買物時の「どっちが安い?」を瞬時に解決! DotChi?は、商品の価格と内容量を比較して最安値を見つける、シンプルな価格比較アプリです。 【主な機能】 • 自動単価計算 : 価格・内容量・個数を入力するだけで、自動で単価を計算。 • 一目で最安値 : 最も安い商品を瞬時に判別して表示。(比較商品は最大10商品まで登録できます。) • 比較結果の保存機能(最大50件まで) : 比較結果を保存して、いつでも瞬時に確認。 • お気に入り機能 : よく使う比較結果を最大5件までホーム画面に常時表示可能。 • 保存履歴管理 : 過去の比較結果を時系列で管理、必要な時にすぐアクセス。 • 簡易統計機能 : 総節約額と平均節約率で、あなたの節約効果を可視化。 • 左利きモード : 左利きの方も手早く入力できる左利きモード搭載。 • 近似値変換モード:gとmlやKgとLといった厳密には異なる単位も近似値で変換比較できるモードを搭載。 【こんな時に便利】 • スーパーで同じ商品の異なるサイズで迷った時 • 内容量や価格の異なる商品でどれがお得か計算したい時 • よく買う商品の価格変動をチェックしたい時 • まとめ買いと個別購入、どちらがお得か知りたい時 【比較結果の保存と再利用でスマートにショッピング】 一度作成した比較結果は保存して、いつでも呼び出し可能。よく買う商品はお気に入りに登録して、ホーム画面からワンタップでアクセス。毎回同じ商品を入力する手間が省け、買い物がもっと効率的になります。 【おすすめの使い方】 よく買う商品(米、調味料、洗剤など)の比較結果を保存しておくと、買い物の度に入力し直す必要がなく、価格変動もすぐにチェックできて便利です! 【あなたの節約を見える化】 ホーム画面には総節約額と平均節約率を表示。保存された全ての比較結果から、あなたの節約成果が一目瞭然です。 スマートなショッピングにDotchi?をご活用ください。

Screenshots

@PriceCalc3 screens
DotChi?4 screens

Verdict

The call

The clearest difference is update cadence: DotChi? at every 9 days against @PriceCalc's every 2 months. @PriceCalc's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement 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. @PriceCalc sells 4 in-app purchases, starting at $0.99 per 3 months and DotChi? sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

@PriceCalc ships an update every 2 months, DotChi? every 9 days. The most recent releases landed on October 1, 2026 and October 11, 2026 respectively.

Scorecard2 real differences · 6 level
@PriceCalc versus DotChi?: the parameters behind the verdict, then further details
Parameter@PriceCalcDotChi?
PriceFreeFree
Positive reviews100.0% of reviews—
Update frequencyEvery 2 monthsEvery 9 days — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better16.6
Further details — not scored
Size7 MB8 MB
Age rating4+4+
DeveloperG-SOFTKenji Shimura

In-app purchases

4 purchases

@PriceCalc

Subscriptions2
  • Hide ads$0.993 Months
  • Continue typing$0.993 Months
One-time2
  • Hide ads$1.99
  • Continue typing$1.99
1 purchases

DotChi?

One-time1
  • 広告非表示$0.99

Questions

Is @PriceCalc free?
@PriceCalc is free to download, with in-app purchases available.
Is DotChi? free?
DotChi? is free to download, with in-app purchases available.
Do @PriceCalc or DotChi? have ads?
Both @PriceCalc and DotChi? show ads.
Which is updated more often, @PriceCalc or DotChi??
@PriceCalc ships an update every 2 months, and DotChi? every 9 days. Most recently, @PriceCalc was updated on October 1, 2026 and DotChi? on October 11, 2026.

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