Kaspa Observer vs AI Bookkeeper Hub
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Kaspa Observer
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KasObs is a read-only tracker for public Kaspa addresses. It is not a wallet and does not store private keys. Track any public address in real time, organize addresses like a portfolio, and explore on-chain activity with a fast, privacy-first experience. No account, no login. Key Features - Kaspa Hub with 4 tabs: Stream / Graph / Analytics / News - Graph explorer: interactive address graph, filters, node expansion, pagination, and pinned nodes - Analytics: Top-100 holders and Known Addresses with quick observe/open actions - Redesigned Address Viewer with a dedicated Connections section - *.kas domain resolution in address flows (including Add Address and Graph input) - Real-time balance updates - Multi-address dashboard with groups, totals, and collapsible sections - Filters and sorting by balance/name, group filters, hide totals, hide zero balances - Live KAS price with key network stats (market cap, circulating supply, difficulty, hashrate, reward, DAA score) - Interactive price chart with multiple ranges - Transaction history per address with refresh and load more - KRC-20 token balances - KRC-721 NFT holdings with media previews - KNS domains (primary name, listed status, profiles) - QR tools: scan address, show QR, share or save QR image - Open addresses in Kaspa Explorer - Offline/cache mode with network status indicators - Themes and languages support Privacy Your tracked addresses and preferences are stored on your device. Optional analytics and feedback data are sent only with your action/consent.
AI Bookkeeper Hub
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AI Bookkeeper Hub turns your receipts into organised records, ready for your accountant. Take a photo of a receipt, or upload a PDF, and the app reads it for you: the shop, every item, prices, totals and the date. No more typing receipts into spreadsheets. SCAN IN SECONDS • Photograph paper receipts or pick them from your gallery • Upload PDF invoices and receipts, including multi-page files • Scan a whole batch at once and review it when it's done • Works with English and Chinese receipts STAY ORGANISED • Every receipt is sorted by shop and category automatically • Edit any detail, add your own categories and manage your shops • Search by shop, item, date, amount or category • See your spending by month, shop and category with clear charts EXPORT AND SHARE • Export to Excel or PDF • Email a batch of receipts straight to your accountant • Print QR labels for your paper receipts on a Bluetooth label printer CARBON FOOTPRINT (optional) • See an estimate of the carbon footprint (Scope 3, kg CO₂e) of what you buy, item by item • Review and correct estimates, and the app remembers your answers BUILT FOR TEAMS • Accountants and company admins can view the receipts of the accounts they look after • Secure sign-in with email verification codes Available in English, Simplified Chinese and Traditional Chinese. An AI Bookkeeper Hub account is required. Contact us to get started.
Screenshots
Verdict
The clearest difference is update cadence: Kaspa Observer at weekly against AI Bookkeeper Hub's every 3 months. On price, ads, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Kaspa Observer ships an update weekly, AI Bookkeeper Hub every 3 months. Both last shipped on November 5, 2026.
| Parameter | Kaspa Observer | AI Bookkeeper Hub |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.5 — better | 15.6 |
| Further details — not scored | ||
| Size | 74 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | Nikolai Karavanov | Wai Lok Samuel So |
In-app purchases
Kaspa Observer
No in-app purchases
AI Bookkeeper Hub
No in-app purchases
Questions
Is Kaspa Observer free?
Is AI Bookkeeper Hub free?
Do Kaspa Observer or AI Bookkeeper Hub have ads?
Which is updated more often, Kaspa Observer or AI Bookkeeper Hub?
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