Angle Unit Converter vs Smart Survey Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Angle Unit Converter
This application converts angle measurements between five different units: degrees, radians, degrees/arcminutes/arcseconds, arcminutes, and arcseconds. Simply input your value and select the desired output units for instant conversion.
- Converts between 5 angle units
- Supports degrees, radians, arcminutes, arcseconds
- Converts degrees to degrees/arcminutes/arcseconds
- Simple input and unit selection
- Displays converted values instantly
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Angle Unit Converter application converts the input angle value into 5 types of units. Converting from degrees to degrees / arcminutes / arcseconds is also easy. The units to be converted are degrees [°], radians [rad], degrees / arcminutes / arcseconds [°′″], arcminutes [′], arcseconds [″]. Just enter the value of the angle, then tap the blue unit selection button to select the unit of the angle, and the values converted to 5 types of units will be displayed.
Smart Survey Pro
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Screenshots
Verdict
The clearest difference is price: Smart Survey Pro at Free against Angle Unit Converter's $1.99. Smart Survey Pro also leads on update cadence (fortnightly vs every 11 months). On ads, in-app purchases, device support and iOS requirement 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
Smart Survey Pro is free to download; Angle Unit Converter costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Angle Unit Converter ships an update every 11 months, Smart Survey Pro fortnightly. The most recent releases landed on September 5, 2026 and June 11, 2026 respectively.
| Parameter | Angle Unit Converter | Smart Survey Pro |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 2.0 (1 ratings) — better | — |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 11 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 | 12 |
| Further details — not scored | ||
| Size | 8 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Kei Suefuji | Leica Geosystems(Shanghai)Co.,Limited |
In-app purchases
Angle Unit Converter
No in-app purchases
Smart Survey Pro
No in-app purchases
