NoteCalc vs Proja AI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NoteCalc
Seamlessly blend note-taking with real-time calculations. Capture ideas, track expenses, and create lists with instant results as you type or speak. Offers smart input features like voice notes and document scanning for enhanced productivity.
- Simultaneous note-taking and calculation
- Instant results as you type
- Voice note input
- Document and receipt scanning
- Expense and budget tracking
- Shopping list creation with automatic totals
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NoteCalc lets you write notes and calculate at the same time — no switching apps. Just type naturally and see results instantly. Capture ideas, lists, budgets, expenses, formulas, and everyday math in one place. Everything stays simple, fast, and organized. WHY NOTECALC Write like normal notes Results appear instantly as you type No buttons, no formulas, no interruptions Clean, fast, and easy to use WHAT YOU CAN DO Track expenses and budgets Create shopping lists with automatic totals Take notes with calculations Do quick daily math without switching apps SMART INPUT FEATURES Voice Notes Speak numbers or notes and get results instantly Scan Documents & Receipts Scan receipts and turn them into editable notes with calculations Type Naturally Just write — calculations appear automatically USE CASES Daily expense tracking Budget planning Shopping lists Study and work notes Quick calculations anytime PREMIUM FEATURES (OPTIONAL) Lock notes for privacy Tags and organization Charts and insights Cloud sync Export options Your notes stay on your device. You stay in control. Privacy Policy: https://nullvoidkage.notion.site/Privacy-Policy-31d5fa80930a8057a60cc6995100de7f Terms of Service: https://nullvoidkage.notion.site/Terms-Of-Service-31d5fa80930a807f954ee0de97ab96f3
Proja AI
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Proja AI is a modern productivity app designed to help individuals and teams plan projects, manage tasks, and stay focused on what matters most. Break work into manageable steps using focused sprints, track progress across projects, and build consistent productivity habits over time. Proja AI combines simple workflows with intelligent guidance to support everyday work without unnecessary complexity. Whether you’re working solo or collaborating with a team, Proja AI helps you stay organised, maintain momentum, and see progress clearly. Key features: • Create and manage projects and tasks • Focus sprints to support deep, distraction-free work • AI-powered coaching for productivity insights and guidance • Team collaboration on shared projects • Progress tracking, streaks, and achievement badges • Clean, intuitive interface optimised for mobile Proja AI is built to support real work — helping you focus, stay organised, and move projects forward at your own pace.
Screenshots
Verdict
The clearest difference is update cadence: NoteCalc at every 5 days against Proja AI's every 4 months. Proja AI's advantage is iOS requirement (13.0 vs 16.0). 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. NoteCalc sells 6 in-app purchases, starting at $1.99 per month and Proja AI sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
NoteCalc ships an update every 5 days, Proja AI every 4 months. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.
| Parameter | NoteCalc | Proja AI |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (12 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 12 — better | — |
| Update frequency | Every 5 days — better | Every 4 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, Mac — better | iPhone, iPod |
| Requires iOS | 16.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 81 MB | 56 MB |
| Age rating | 9+ | 4+ |
| Developer | Nikko Ferwelo | Craig Simons |
In-app purchases
NoteCalc
- Smart Notes Monthly$1.991 Month
- Smart Notes Monthly$2.991 Month
- Note Calc Yearly$5.991 Year
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- Smart Notes Yearly$7.991 Year
- Smart Notes Lifetime2 variants$5.99
- Unlock Lifetime$12.99
Proja AI
- Pro Monthly$3.99
- Team Monthly$5.99
- Pro Yearly$29.99
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- Team Yearly$49.99









