Smart Green Converter vs Unit Converter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Smart Green Converter
Easily convert between various units of measurement for gases, including length, power, volume, mass, and pressure. Share your conversion results via email or SMS, or copy them to your notes.
- Unit of Measurement Conversion
- Length Units
- Power Units
- Volume Units
- Mass Units
- Pressure Units
- Share Conversion Results
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The Green Flame Gas converter mobile application that will help you convert UOMs (Units of Measurements) from one to another, You can share the conversion results with others through mails, SMS, etc... or it can be copied to your notes. Those UOMs are as follow: - Length Units. - Power Units. - Dynamic Viscosity Units. - Heat Flux Units. - Volume Units. - Energy Unit. - Kinematic Viscosity Units. - Specific Energy Units. - Molar Flow-rate Units. - Mass Units. - Mass Flow-rate Units. - Specific Heat Units. - Volumetric Flow-rate Units. - Density Units. - Heat Transfer Coefficient Units. - Pressure Units. - Area Units. - Thermal Conductivity Units. Enjoy.
Unit Converter
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This is an efficient tool app that integrates a professional calculator with multi-unit conversion functionality. Supports complex expression calculations and multiple categories of physical unit conversions, meeting various calculation needs in study, work, and daily life. 【Core Feature Highlights】 Powerful Expression Calculation Engine ￭ Supports complex mathematical operations (e.g., 2.5 × 3.8 + 1.2 ÷ 0.4) ￭ Scientific notation display ￭ Real-time calculation result preview ￭ Customizable decimal precision Comprehensive Unit Conversion Support ￭ Length, Mass, Time, Current, Temperature, Acceleration, Area, Charge, Force, Frequency, Plane Angle, Solid Angle, Speed, Volume User-Friendly Experience ￭ Save frequently used unit pairs for quick access ￭ Switch freely between dark and light themes ￭ Simple and intuitive interface Smart Conversion Experience ￭ One-tap unit swap function ￭ Copy calculation results and full formulas
Screenshots
Verdict
The clearest difference is in-app purchases: Smart Green Converter at none against Unit Converter's 1. Unit Converter's advantage is update cadence (every 2 weeks vs every 7 months) and iOS requirement (12.0 vs 14.0). On price, ads 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. Unit Converter sells 1 one-off in-app purchase. Smart Green Converter asks for nothing beyond the download.
Smart Green Converter ships an update every 7 months, Unit Converter every 2 weeks. The most recent releases landed on November 1, 2026 and October 25, 2026 respectively.
| Parameter | Smart Green Converter | Unit Converter |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 7 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 18 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | The Green Flame Gas Co | 伟鹏 李 |
In-app purchases
Smart Green Converter
No in-app purchases
Unit Converter
- Unlock Premium Membership$0.99
Questions
Is Smart Green Converter free?
Is Unit Converter free?
Do Smart Green Converter or Unit Converter have ads?
Which is updated more often, Smart Green Converter or Unit Converter?
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