Comparison

SUM+= Simple Expense Tracker vs Kakei Money

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

Head to head
About

SUM+= Simple Expense Tracker

This finance app simplifies expense tracking with AI assistance, allowing for quick data entry and powerful analysis through large language models. It prioritizes user control and privacy with local data storage and a minimalist design.

Highlights
  • AI-assisted data entry
  • LLM analysis and forecasting
  • Minimalist and beautiful design
  • Local data storage and privacy
  • User-controlled database
  • Subscription options with free trial
Features
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There are hundreds of expense tracker apps and they all do more or less the same thing. But oddly enough, not a single one suited my needs, so I developed my own. Through small but targeted adjustments, I've developed the app to become my preferred solution: • Control stays with the user while data entry is greatly simplified: The time between "open app" and "entry saved" has been reduced to a minimum. AI can support this process so that in many cases you wouldn't even need to open the app • AI analysis through LLMs: Instead of developing custom analysis logic, the app prepares your data so it can be used directly in Large Language Models like ChatGPT or Claude: for analysis, forecasts and recommendations • Minimalist design: The app is designed to look beautiful and works without distracting extras • Full control & privacy: No login, no account. Data stays locally on your device. You have complete control over your own database. If you want to share your data with an AI, you decide that yourself Financial barriers shouldn't stand in the way of your personal financial planning with Sum. Contact us for individual solutions via the support form. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Kakei Money

Features
Read full description

Kakei(家計)は、日本在住のベトナム人ワーカー向けに設計された、給与・税金・社会保険の計算アプリです。 ■ 100% オフライン・プライバシー重視 データは全て端末内に保存。サーバー送信なし、アナリティクスなし、広告なし、トラッキングなし。 ■ 主な機能 • 給与計算:所得税、復興特別所得税、住民税、健康保険、厚生年金、雇用保険、介護保険を令和8年度(FY2026)レートで正確に計算 • 8都道府県対応(東京・大阪・愛知・神奈川・埼玉・千葉・兵庫・福岡) • 国民健康保険・国民年金(フリーランス用、大阪市・東京23区対応) • 月別ダッシュボード:今月の手取り進捗、給料日カウントダウン、過去6ヶ月のトレンドグラフ • 計算履歴:最大1000件、SVGトレンドチャート付き • 家計簿:手入力で12カテゴリの支出を記録、月予算と比較 • 貯金目標:iPhone購入、帰省、家族送金など、月々の必要額を自動計算 • ベトナム送金トラッカー:Wise、Remitly、SBIレミット等7プロバイダーの実効レート比較、暦年贈与¥110万閾値警告 • 医療費控除:年間集計+還付額シミュレーション • ふるさと納税:寄付上限の自動計算+寄付記録 • 確定申告ウィザード:給与、医療費、ふるさと納税、生命保険料、地震保険料を一括集計、還付見込みを算出 • 在留カード・マイナンバーカード等の有効期限ローカル通知 • バイリンガル対応(日本語・ベトナム語) ■ 重要な注意 本アプリは見積もりツールであり、税理士・e-Taxの代替ではありません。最終的な税務申告はNTAの正式書式で行ってください。 ■ FY2026レート出典 国税庁、協会けんぽ、日本年金機構、厚生労働省、各自治体の公式資料(令和7年12月改正対応済み)

Screenshots

SUM+= Simple Expense Tracker4 screens
Kakei Money4 screens

Verdict

The call

The clearest difference is in-app purchases: Kakei Money at none against SUM+= Simple Expense Tracker's 4. Kakei Money also leads on device support (3 vs 1) and iOS requirement (15.1 vs 26.2). On price, update cadence and ads 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. SUM+= Simple Expense Tracker sells 4 in-app purchases, starting at $3.99 per month. Kakei Money asks for nothing beyond the download.

UpkeepUpdate frequency

SUM+= Simple Expense Tracker ships an update every 3 days, Kakei Money every 2 days. The most recent releases landed on October 25, 2026 and October 8, 2026 respectively.

Scorecard3 real differences · 7 level
SUM+= Simple Expense Tracker versus Kakei Money: the parameters behind the verdict, then further details
ParameterSUM+= Simple Expense TrackerKakei Money
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 3 daysEvery 2 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS26.215.1 — better
Further details — not scored
Size28 MB35 MB
Age rating4+4+
DeveloperJonas ZimmermannTOTHANH DUY

In-app purchases

4 purchases

SUM+= Simple Expense Tracker

Subscriptions2
  • SUM Pro1 Month trial$3.991 Month
  • SUM Pro1 Month trial$22.991 Year
One-time2
  • 7-day TrialFree
  • Sum Premium$6.99
None

Kakei Money

No in-app purchases

Questions

Is SUM+= Simple Expense Tracker free?
SUM+= Simple Expense Tracker is free to download, with in-app purchases available.
Is Kakei Money free?
Kakei Money is free to download, with no in-app purchases.
Do SUM+= Simple Expense Tracker or Kakei Money have ads?
Neither SUM+= Simple Expense Tracker nor Kakei Money shows ads.
Which is updated more often, SUM+= Simple Expense Tracker or Kakei Money?
SUM+= Simple Expense Tracker ships an update every 3 days, and Kakei Money every 2 days. Most recently, SUM+= Simple Expense Tracker was updated on October 25, 2026 and Kakei Money on October 8, 2026.

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