Prism vs Vyay
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Prism
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Prism turns your Google Sheet budget into a fast, readable money app. Keep your spreadsheet as the source of truth, then use Prism for the views that are hard to maintain by hand: - Income, expenses, and net profit by month, year, or all time - Category distribution and spending changes - Monthly cashflow and category trends - Searchable transaction history - Quick transaction entry that can write back to your Sheet - Starter Google Sheets template if you are beginning fresh Prism does not ask for bank logins. Your transaction data stays on your device and in the Google Sheet you choose. Built for people who already like the control of spreadsheets but want a better daily way to read, add, and understand their financial data.
Vyay
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Minimalist Expense Tracking. Powered by Your Google Sheet. Vyay is a minimalist shell for your financial life. Built for people who want speed and total control, it turns logging your spending into a high-performance experience. Unlike traditional apps, Vyay uses your own Google Sheet as the database. You are never locked into a closed ecosystem. Your sheet, your data, your rules. Tired of clunky finance trackers with endless menus and hidden fees? Vyay gets out of your way. With a quick keyboard interface and a sleek dark aesthetic, logging an expense takes less than three seconds. No waiting for sync screens, and no tapping through deep sub-menus. Just open, type, and move on. Privacy by Architecture Privacy is the absolute foundation of Vyay, not just a marketing feature. ⢠100% Client-Side: All processing happens directly on your device. We do not have a backend server storing your personal data or finances. ⢠No Private Servers: When you sync, Vyay talks directly to the Google API. Your data never touches a third-party server. ⢠Total Data Ownership: Because your data lives in your own Google Drive, you can export, change, or delete it at any time, even without the app. ⢠Zero Tracking: We do not track your location, your habits, or your spending. Vyay is a tool, not a tracker. Why Choose Vyay? ⢠Instant Entry: Log expenses in seconds with a streamlined interface optimized for fast, one-handed use. ⢠Total Control: Customize your setup on the Config page. Modify your categories and payment modes to match your exact habits. Your data syncs with your Google Sheet and stays there forever. ⢠Freemium Ownership Model: We believe you should always own your database. The core app is 100% free, allowing you to download and log transaction records to your spreadsheet forever. You can upgrade to Pro Analytics with a low-cost subscription of $0.99 per month or $9.99 per year to unlock deep insights, charts, and pattern matching. Financial Intelligence (Pro Features) Most apps show you where your money went. Vyay shows you why it matters. ⢠Outlier Alerts: The app automatically spots unusual spending. Know instantly if you spent 20% more than your average on groceries or dining before the month ends. ⢠Subscription Finder: Our algorithm scans your history to catch hidden recurring bills and subscriptions, ensuring you never lose track of fixed commitments. ⢠Monthly Thermal Scan: Get a birds-eye view that calculates your daily spending velocity and projects your month-end total based on your current trajectory. ⢠Deep Ledger Search: Filter through thousands of rows in milliseconds. Finding a specific receipt from three years ago is faster than opening a spreadsheet. Built for Power Users Vyay is a mobile frontend for your spreadsheet. If you love Google Sheets, Excel, or Airtable, you finally have a mobile entry system that respects your workflow. Stop being the product. Start using the tool. Download Vyay today and take back control of your financial data. Support & Feedback: Twitter: @theonlyanil Visit: usevyay.com Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://usevyay.com/about/privacy/
Screenshots
Verdict
Prism and Vyay are too close to call on the numbers: across 6 compared parameters ā price, update cadence, ads and in-app purchases among them ā neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Prism sells 2 in-app purchases, starting at $4.99 per month and Vyay sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
Prism ships an update every 10 days, Vyay fortnightly. The most recent releases landed on September 9, 2026 and September 10, 2026 respectively.
| Parameter | Prism | Vyay |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 10 days ā better | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 15.0 ā better |
| Further details ā not scored | ||
| Size | 31 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | ON TIK CHAN | Anil Sardiwal |
In-app purchases
Prism
- Prism Plus Monthly$4.991 Month
- Prism Plus Yearly$39.991 Year
Vyay
- Vyay Pro ā Monthly$0.991 Month
- Vyay Pro ā Annual$9.991 Year









