Converter One vs Photonoter
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Converter One
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Converter One is a beautifully crafted universal unit converter that runs seamlessly across iPhone, iPad, Mac, and Apple Vision Pro. Designed for simplicity and precision, it offers an elegant, distraction-free interface that feels perfectly at home in every Apple environment. FEATURES β’ Instantly convert across all major unit types β’ Universal design for iOS, iPadOS, macOS, and visionOS β’ Smooth 3D experience and gesture support on Vision Pro β’ Favorites and smart search for quick access β’ Adaptive layout that feels natural on any device β’ Haptic feedback and dynamic βliquid glassβ visuals β’ Fully offline, ad-free, and privacy-friendly SUPPORTED CATEGORIES Length, Area, Volume, Weight, Temperature, Speed, Time, Pressure, Energy, Power, Force, Angle, Data, Data Rate, Frequency, Fuel, Density, Torque, and more. PRIVACY Converter One collects no personal data and works completely offline.
Photonoter
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Photonoter helps you capture quick notes exactly when you need them: with a photo, an image from your library, an audio recording, or a scanned barcode. Create entries in just a few taps, add notes, assign a category, set a date, and optionally schedule a reminder. Your entries are organized by date, easy to edit later, and can include useful details such as documents, receipts, warranties, recipes, or anything else you want to remember. Features: - Take a photo or choose one from your photo library - Record and play back audio notes - Scan common barcodes and QR codes - Add text notes, categories, dates, and reminders - View entries grouped by day - Edit saved entries whenever needed - Zoom into saved images - Store data in iCloud when available, with local storage as fallback - Manually sync your entries Photonoter is made for everyday moments: receipts, product codes, documents, ideas, appointments, shopping reminders, warranty notes, and all the small things you do not want to lose.
Screenshots
Verdict
The clearest difference is price: Photonoter at Free against Converter One's $0.99. Photonoter also leads on update cadence (every 6 weeks vs every 6 months). Converter One's advantage is iOS requirement (17.6 vs 26.0). On ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Photonoter is free to download; Converter One costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Converter One ships an update every 6 months, Photonoter every 6 weeks. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.
| Parameter | Converter One | Photonoter |
|---|---|---|
| Price | $0.99 | Free β better |
| Update frequency | Every 6 months | Every 6 weeks β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.6 β better | 26.0 |
| Further details β not scored | ||
| Size | 10 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Ashkan Zanjani | Michael Schwarz |
In-app purchases
Converter One
No in-app purchases
Photonoter
No in-app purchases
Questions
Is Converter One free?
Is Photonoter free?
Do Converter One or Photonoter have ads?
Which is updated more often, Converter One or Photonoter?
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