prismCalc vs Ticker Island
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
prismCalc
This app offers a visually appealing and functional calculator for everyday financial tasks like splitting bills, calculating discounts, and comparing loan payments. It provides live calculation previews, a history of recent results, and various everyday tools.
- Live calculation preview
- History of recent results
- Tip and split bill calculator
- Discount calculator
- Loan calculator
- Unit converter
- Customizable themes
Read full descriptionHide full description
Split a dinner bill in seconds. Check a discount before you buy. Compare loan payments side by side. prismCalc is the everyday calculator for the math that happens outside a spreadsheet — beautiful glass design, no ads, no tracking. **LIVE CALCULATION PREVIEW** • See the running result while you build an expression • Keep enough context on screen to catch mistakes before pressing equals **KEEP RECENT RESULTS CLOSE** • Dynamic Island can keep your last calculation visible while you switch apps • Widgets and quick actions help you get back to recent math without digging through the app • History lets you reuse prior calculator, tip, discount, loan, and conversion entries **CORE CALCULATOR** • Large calculator buttons with haptic feedback • Memory functions (M+, M−, MC, MR) with indicator dot • Long-press display to copy, double-tap to paste • Standard or alternate key layout — choose what feels natural • Display gestures for backspace, undo backspace, recall, clear, copy, and paste **EVERYDAY TOOLS (Pro)** • Tip & Split — tips, equal splits, rounded per-person totals, and by-share splits for uneven groups • Discount Calculator — original price, savings, sale price, and tax • Loan Calculator — mortgage, auto, student, and personal loans. Mortgages lead with the total monthly payment, with principal + interest and escrow (property tax, insurance, HOA) as immediate context. Includes payoff planning, extra-payment what-ifs, and full amortization details • Unit Converter — 38 length, weight, volume, and temperature units, with Metric, US Customary, and Imperial results grouped clearly **HISTORY & NOTES (Pro)** • Save, review, search, and filter past calculations • Name and pin saved calculations so important bills, payoff plans, and conversions are easier to find later • Mortgage scenarios save with full escrow context (property tax, insurance, HOA, escrow toggle) so reopening a saved payoff plan restores the exact inputs • Add notes to any calculation • Share calculations with notes via Messages, Mail, or any app • Lock important entries so they cannot be accidentally deleted • Optional iCloud Sync across devices **ALWAYS WITHIN REACH** • Home Screen widgets — small, medium, and large (all free) • Lock Screen widgets — accessory circular, rectangular, and inline (free) • Control Center widgets — quick actions for calculator, tip, split, discount, unit converter, loan, and copy last result • Siri Shortcuts — calculate tips, split bills, convert units including volume, and recall recent results • Apple Watch companion — calculator, tip, discount, and split right on your wrist with all 10 themes synced **THEMES AND LAYOUT** • Animated mesh gradient backgrounds with true glassmorphism • 4 free themes (Aurora, Calming Blues, Dark Glass, Pearl) plus 6 Pro themes • Square or round buttons, plus standard or alternate key layout **PRIVACY FIRST** • No tracking, no analytics, no ads, no account required • Your data stays on your device unless you choose optional iCloud Sync **ACCESSIBILITY** • VoiceOver, Dynamic Type, Increase Contrast, Reduced Motion, and alternative key layout Built by a solo developer. Thanks for supporting independent apps. Disclaimer: Calculations provided by prismCalc are for informational and illustrative purposes only. Results are estimates and do not constitute financial advice, guaranteed loan terms, or a commitment to lend. Actual rates and payments may vary based on lender-specific criteria. LaClair Technologies is not a financial institution.
Ticker Island
This app displays live asset prices directly on your device's dynamic island. Customize layouts with single, dual, or grid views for over 400 assets including crypto, stocks, and commodities. It offers native multi-currency and multi-language support.
- Live asset prices in Dynamic Island
- 400+ assets (crypto, stocks, commodities)
- Customizable layouts (single, dual, grid)
- Multi-currency support
- Multi-language support
Read full descriptionHide full description
Live prices in your Dynamic Island 400+ Assets across crypto, stocks, commodities and more Layout customization - Single chart, dual chart, or grid views Native multi-currency & multi-language support Free forever, no subscription required
Screenshots
Verdict
The clearest difference is rating: prismCalc at 5.0 against Ticker Island's 3.3. prismCalc also leads on ads (none vs shown) and update cadence (weekly vs monthly). Ticker Island's advantage is iOS requirement (18.0 vs 26.0). On price, ratings volume, in-app purchases and monetization model 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. prismCalc sells 1 one-off in-app purchase and Ticker Island sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
prismCalc holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 4 and 3 respectively.
prismCalc ships an update weekly, Ticker Island monthly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.
| Parameter | prismCalc | Ticker Island |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | 3.3 (3 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | 3 |
| Update frequency | Weekly — better | Monthly |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Free with in-app purchases |
| Devices | iPhone, iPad, Mac, Apple Watch — better | iPhone |
| Requires iOS | 26.0 | 18.0 — better |
| Further details — not scored | ||
| Size | 70 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Patrick LaClair | dohyun ahn |
Customer experience
prismCalc
Ticker Island
In-app purchases
prismCalc
- prismCalc Pro$2.99
Ticker Island
- Ticker Island Premium$44.99









