Double Unit Converter vs Convert Rai
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Double Unit Converter
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With Double Units Converter you can convert two different types of units at a single screen. Simple interface. No need to switch between screens etc. Just choose your category and unit. All in one screen. Ability to copy and paste values by holding a finger on the fields. Unit categories: Length, Area, Volume, Weight and Mass, Temperature, Energy, Speed, Time, Power, Data, Pressure, Angle
Convert Rai
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Easily convert Thai land units (Rai, Ngan, Square Wah) to international units (Square Meters, Square Kilometers, Acres, etc.) in real-time. Plus, calculate land prices effortlessly with built-in conversion tools. - Real-time land unit conversion - Automatic land price calculation - Save results for future reference - Copy results instantly for further use Perfect for investors, real estate agents, and landowners who need a fast and accurate land conversion tool. Try it now!
Screenshots
Verdict
The clearest difference is price: Double Unit Converter at Free against Convert Rai's $0.99. On update cadence, 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
Double Unit Converter is free to download; Convert Rai costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Double Unit Converter ships an update monthly, Convert Rai every 4 weeks. Both last shipped on October 19, 2026.
| Parameter | Double Unit Converter | Convert Rai |
|---|---|---|
| Price | Free — better | $0.99 |
| Update frequency | Monthly | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 9 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | MIHAIL MILUSHEV | Khanin Chomphusri |
In-app purchases
Double Unit Converter
No in-app purchases
Convert Rai
No in-app purchases
Questions
Is Double Unit Converter free?
Is Convert Rai free?
Do Double Unit Converter or Convert Rai have ads?
Which is updated more often, Double Unit Converter or Convert Rai?
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