iConvert vs ParaGraph3D
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iConvert
Easily convert hundreds of physical units and dimensions with this powerful tool. It also includes a currency converter with daily updated exchange rates for over 130 countries, and is available on Apple Watch.
- Hundreds of units in 17 categories
- Daily updated currency exchange rates
- Apple Watch app for on-the-go conversions
- Integrated calculator
- Intuitive user interface
- Ad-free experience
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A simple but powerful unit converter. Translates hundreds of physical units and dimensions quickly and easily. The currency converter features daily updated exchange rates for over 130 countries. CUSTOMER REVIEWS: 4½ (over 1000 reviews world wide) *** Apple Watch *** We bring the converter including currency exchange rates to your Apple Watch. Convert units and currencies directly on your watch. TOP FEATURES: ▶ Intuitive and efficient user interface ▶ A total of 398 units in 17 categories ▶ Shoe size conversion ▶ Calculator ▶ Daily updated currency converter ▶ History charts for all currencies ▶ Push notifications for currencies ▶ Univeral iPhone/iPad app ▶ Landscape support for iPad ▶ Copy & Paste ▶ Drag'n Drop your favorites to the toolbar ▶ Frequent free updates ▶ Completely ad free! CATEGORIES: ▶ Currency ▶ Length ▶ Weight ▶ Temperature ▶ Speed ▶ Energy ▶ Angle ▶ Pressure ▶ Time ▶ Volume ▶ Area ▶ Power ▶ Data ▶ Torque ▶ Radioactivity ▶ Fuel consumption ▶ Force ▶ Shoe size ▶ Calculator
ParaGraph3D
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ParaGraph3D is a fast and visual graphing tool for exploring mathematical functions and parametric surfaces in three dimensions. Enter your equations, generate a surface instantly, and explore it from different angles. Rotate, zoom, pan, and tap to inspect 3D mathematical structures interactively. Key features: z = f(x,y) surface plotting x(t,s), y(t,s), z(t,s) parametric surfaces 44 built-in mathematical surfaces Isometric, front, side, and top views Perspective and orthographic cameras Surface, wireframe, and surface + grid modes Multiple color palettes Prism color gradient Adjustable mesh quality and opacity X, Y, and Z axes Tap-to-inspect coordinates Parameter sliders and animation Save and reuse graphs JSON import and export PNG image export Turkish and English language support iPhone and iPad support Fully on-device operation ParaGraph3D is designed for students, teachers, math enthusiasts, and anyone who wants to explore beautiful mathematical surfaces in 3D. No account required. No ads. No subscription.
Screenshots
Verdict
The clearest difference is ads: ParaGraph3D at none against iConvert's shown. ParaGraph3D also leads on price ($0.99 vs $2.99). iConvert's advantage is update cadence (every 3 months vs every 9 months) and device support (4 vs 2). On in-app purchases 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
iConvert costs $2.99 and ParaGraph3D $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
iConvert ships an update every 3 months, ParaGraph3D every 9 months. The most recent releases landed on October 14, 2026 and September 26, 2026 respectively.
| Parameter | iConvert | ParaGraph3D |
|---|---|---|
| Price | $2.99 | $0.99 — better |
| Rating | 4.9 (348 ratings) — better | — |
| Positive reviews | 83.3% of reviews | — |
| Number of ratings | 348 — better | — |
| Update frequency | Every 3 months — better | Every 9 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 38 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Raphael Odermatt | Mustafa Cans?z |
Bugs and requests
iConvert
Reported bugs
4 issues- Startup error that kills the app
- App does not rotate from portrait to landscape
- Minor conversion inaccuracy (US gallon to teaspoons off by 0.168)
- Wasted screen space restricting visible units
Requested features
11 requests- Number system conversions (binary, decimal, hexadecimal, etc.)
- Built-in calculator for adding/subtracting values
- Keyboard input option instead of touchscreen only
- iOS 8 widgets support
- Additional pressure units (KPa, kg/cm², mmHg to cm/H2O)
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- Larger metric prefixes (tera-, giga-, yotta-)
- Volume and area conversion units
- All world currencies included
- Landscape orientation support
- Larger font sizes in interface
- Ability to move calculator to top of toolbar
ParaGraph3D
Not enough reviews yet to summarise bugs or requests.
In-app purchases
iConvert
No in-app purchases
ParaGraph3D
No in-app purchases
