Comparison

Cost 2 vs Piggy BookKeep

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

Head to head
About

Cost 2

Features
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Cost keeps a spending log without asking you to type one in. Share a receipt — screenshot, photo of the paper one, order confirmation, plain text — and an on-device agent reads off the merchant, total, currency, date and category. Confident drafts file themselves; the rest wait in the Inbox with the agent's reasoning shown, a tap from saved. It runs on Apple Intelligence, on your device: nothing uploaded, no account, no bank connection. Fix a draft and the fix becomes a rule. Rename a merchant once and the next receipt from it arrives renamed. Add standing instructions in plain English — "the corner shop is Groceries" — and they hold on every receipt after. Everything Cost has learned is listed in Settings, editable and deletable. Categories stay yours: matched to one you already have, or proposed for you to accept. Never invented, never forced onto a purchase that doesn't fit. Tags cover what a category can't — a trip, a project, "Work". A flight, four dinners and a rail pass are three categories but one trip, and the trip carries its own total. Search reads meaning. "caffeine last month" finds the coffees without sharing a word with them; "how much did my Japan trip cost" answers with the tag's total. Trends for any week, month or year: the total against the period before, the category mix, top merchants, the tags that were running. A calendar zooming year to month to week. Totals per currency — Cost won't add two together and call it an answer. Also: type or dictate a sentence ("Coffee at Pret, £3.20, yesterday"), ask Siri to log spending or search it, attach where you were, keep the receipt with the record. Cost is a Mac app too, synced over iCloud. A receipt the phone couldn't settle arrives on the Mac ready to review — and if you run a model locally (Ollama, LM Studio, llama.cpp), Cost hands the reading to that instead. Bigger model, same machine, still nothing uploaded. Apple Intelligence isn't on every device. Where it's missing, Cost reads what it can and parks a draft for review — an unavailable model costs you a tap, never a receipt.

About

Piggy BookKeep

Features
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Piggy BookKeep Notebook is an all-in-one life organizer that combines daily expense tracking, handwriting notes, and countdown reminders in a single, easy-to-use app. With a clean interface and short navigation paths, it is designed for students, professionals, freelancers, and families who want to manage spending, capture ideas on the go, and never miss important dates such as birthdays, exams, anniversaries, or project deadlines—all without switching between multiple apps. We prioritize local storage: your ledger entries, handwriting notes, and countdown events are saved primarily on your device for offline access and editing. Excel import and export helps you back up and migrate data when you change phones. The app supports multiple languages, Dark Mode, and optional auto-start controls that you can manage in Settings—off by default, with clear disclosure before you enable them. Expense Tracking & Ledger Tracking money does not have to be complicated. Piggy BookKeep offers a quick “Add Transaction” flow with income and expense categories—ideal for logging purchases right after they happen. Browse your ledger by month and year, with transactions grouped by day so you can review total spending, income, and balance for the current period. Categories include food, transport, shopping, entertainment, housing, medical, education, salary, bonus, and more, with localized category names. Export your data to Excel for backup or sharing, and merge imported spreadsheets into your local ledger after confirmation—useful when moving to a new device. Multiple home screen widgets show monthly summaries, your latest transaction, or recent entries, and refresh automatically after you log new data. Handwriting Notebook Not everything belongs on a keyboard. The built-in handwriting board groups notes by date, with smooth strokes and a pencil-like feel—great for meeting minutes, class notes, shopping lists, and quick sketches. Notes stay on your device for private, offline use. Countdown Reminders Create countdown events for birthdays, trips, exams, holidays, or deadlines and see how many days remain at a glance. Set minute-level reminders with optional repeat rules (daily, weekly, monthly, yearly). Add cover images, crop them for display, and share custom posters with multiple style options. Countdown widgets in small, medium, and large sizes can use your cover art as background; tap to open the app. Data syncs to widgets when you update events. Settings & Personalization Manage language, theme, widgets, auto-start, feedback, Privacy Policy, and Terms of Service from Settings. Supported languages include Simplified Chinese, Traditional Chinese, English, and others. Dark Mode can follow system settings or stay light or dark. Other apps from the same developer show localized names in Chinese or English. Auto-Start Disclosure Auto-start is off by default. If you turn it on in Settings, the app may restore countdown alarms you created after a device reboot, and refresh widgets you already added. This does not initialize advertising or analytics SDKs in the background. You can disable auto-start anytime; details appear in the privacy consent dialog. Permissions The app may request network, storage, notification, and photo library access only when needed for features such as feedback, Excel files, countdown covers, and reminders. Third-party SDKs (e.g., analytics or ads) are described in the in-app Privacy Policy. Ad content is provided by third parties; please evaluate it carefully. Who It Is For Anyone who wants simple expense tracking, handwriting notes, countdown reminders, home screen widgets, multilingual UI, Dark Mode, or Excel backup for personal or small-business budgeting. feedback email : asd272940236@foxmail.com

Screenshots

Cost 24 screens
Piggy BookKeep4 screens

Verdict

The call

The clearest difference is ads: Cost 2 at none against Piggy BookKeep's shown. Cost 2 also leads on update cadence (every 8 days vs monthly). Piggy BookKeep's advantage is iOS requirement (17.0 vs 26.0). 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

Cost 2 ships an update every 8 days, Piggy BookKeep monthly. The most recent releases landed on November 4, 2026 and November 10, 2026 respectively.

Scorecard3 real differences · 3 level
Cost 2 versus Piggy BookKeep: the parameters behind the verdict, then further details
ParameterCost 2Piggy BookKeep
PriceFreeFree
Update frequencyEvery 8 days — betterMonthly
AdsNo — betterYes
In-app purchasesNoNo
DevicesiPhone, iPad, Mac — betteriPhone, iPad
Requires iOS26.017.0 — better
Further details — not scored
Size15 MB6 MB
Age rating4+9+
Developer阿卜杜塔伊尔江 库热西微 韩

In-app purchases

None

Cost 2

No in-app purchases

None

Piggy BookKeep

No in-app purchases

Questions

Is Cost 2 free?
Cost 2 is free to download, with no in-app purchases.
Is Piggy BookKeep free?
Piggy BookKeep is free to download, with no in-app purchases.
Do Cost 2 or Piggy BookKeep have ads?
Piggy BookKeep shows ads; Cost 2 does not.
Which is updated more often, Cost 2 or Piggy BookKeep?
Cost 2 ships an update every 8 days, and Piggy BookKeep monthly. Most recently, Cost 2 was updated on November 4, 2026 and Piggy BookKeep on November 10, 2026.

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