WhichWeek vs One Big Clipboard
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WhichWeek
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WhichWeek is the fastest way to know your ISO week number. Open the app and your current ISO week number is front and center — bold, clear, and impossible to miss. No digging through a calendar. No mental arithmetic. Just the week number. WEEK VIEW • Your current ISO week number, large and legible • The exact date range for that week (Monday to Sunday) • Step forward or back through weeks and years with the stepper controls • Tap Today to jump straight back to the current week • Leap year indicator so you never lose track of the extra day DAYS VIEW • Pick any two dates and instantly see the number of days between them • Broken down into full weeks and remaining days • Perfect for project planning, countdowns, and date arithmetic DESIGNED WITH CARE • Pure SwiftUI — fast, native, and responsive • Supports Dynamic Type for accessibility • Full Dark Mode and Light Mode support • Works in portrait and landscape • Available on iPhone, iPad, Mac, and Apple Watch ISO WEEK NUMBERS ISO 8601 defines week numbering used widely in business, finance, logistics, and project management across Europe and beyond. Week 1 is the week containing the first Thursday of the year. WhichWeek follows this standard precisely. NO ADS. NO TRACKING. NO SUBSCRIPTIONS. WhichWeek is a one-time purchase. No accounts required, no data collected, no network requests made.
One Big Clipboard
This app saves a private, searchable history of everything you copy, including text, links, images, and files. It offers on-device processing for tasks like math evaluation, translation, and summarization, with optional iCloud sync for cross-device access. Privacy is a core feature, with options for encrypted clips and app-level locking.
- Searchable clipboard history
- On-device OCR for images
- Math evaluation and translation
- Private iCloud sync
- AES-256-GCM encryption for clips
- Keyboard and Share extensions
- Home and Lock Screen widgets
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Stop losing what you copied. One Big Clipboard keeps a private, searchable history of everything that touches your clipboard — text, links, images, files, even colors — so the thing you copied an hour ago is one tap away. Most clipboard apps forget fast, or send your copied data to someone else's server. One Big Clipboard does neither. It remembers as much as you want, and it has no servers, no analytics, and no tracking at all. What you copy stays on your device and, if you choose, in your own private iCloud. EVERYTHING YOU COPY, KEPT - A searchable history of text, links, images, files, and colors - Copied hex and rgb() values are recognized and shown with a swatch - Fuzzy, relevance-ranked search finds the right clip fast - On-device OCR reads the text inside screenshots, so you can search images too - Code-aware: language detection and syntax highlighting for snippets of code SMART TOOLS, ON DEVICE - Tap any text clip to evaluate it as math, translate it, summarize it, or rewrite it more concisely - Multi-line clips can be reformatted as a checklist in one tap - Summarize and rewrite use Apple Intelligence on supported iPhones — never a cloud LLM ORGANIZE IT YOUR WAY - Snippets — hand-written reusable clips like signatures and boilerplate - Folders and tags to sort clips, plus pins for the ones you reuse constantly - Linked clips — relate clips captured at different times into one named set - Capture channels — pick an active folder and new clips file themselves into it - Smart Rules that auto-tag, file, or skip clips the moment they arrive - Color-coded filter chips — Text, Link, Email, Phone, Address, Code, Math each in their own color - Context notes — attach a free-text note to any clip so you remember why you kept it - Text transforms (change case, trim, pretty-print JSON, and more) with saved pipelines PASTE ANYWHERE, FAST - A keyboard extension to paste any clip straight into any app - A Share Extension to save into One Big Clipboard from anywhere - Home Screen and Lock Screen widgets for your most recent clips - Browse and filter clips by the app they came from PRIVATE BY DESIGN - Lock an individual clip with AES-256-GCM encryption behind Face ID or Touch ID - Encrypted clips store ciphertext only — only the device with the unlock key can decrypt them - Sensitive-looking clips are flagged and can be blurred - Lock the whole app behind Face ID or Touch ID - Erase everything — clips, folders, and iCloud copies — in one tap FREE, WITH AN OPTIONAL UPGRADE One Big Clipboard is free and fully usable on one device — every clip you save stays at hand for 30 days, and nothing is ever deleted while you decide. Premium unlocks your whole archive and adds private iCloud sync across iPhone, iPad, and the companion Mac app, so a clip copied on one device is on every other in seconds. A one-time purchase, no subscription. There is no account to create and nothing to sign up for. Install One Big Clipboard, copy something, and it is already working.
Screenshots
Verdict
The clearest difference is in-app purchases: WhichWeek at none against One Big Clipboard's 1. One Big Clipboard's advantage is iOS requirement (17.4 vs 26.4). On price, ads 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
Both are free to download. One Big Clipboard sells 1 one-off in-app purchase. WhichWeek asks for nothing beyond the download.
| Parameter | WhichWeek | One Big Clipboard |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | — | Every 5 days |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, Mac — better |
| Requires iOS | 26.4 | 17.4 — better |
| Further details — not scored | ||
| Size | 3 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | Arthur Kahwa | Hello Good Day LLC |
In-app purchases
WhichWeek
No in-app purchases
One Big Clipboard
- OneBigClipboard Premium$4.99









