FastCalc lite vs Speed Converter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FastCalc lite
This calculator app offers a streamlined experience with large, easy-to-use keys and a permanent display of your calculations. It automatically shows results as you type, eliminating the need for an equals button.
- Large, easy-to-read keys
- Permanent expression display
- Automatic result display
- Gesture-based interface
- Integrated help videos
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FastCalc lite is a calculator recognized for its efficiency and ease of use. It stands out thanks to: • its large keys, which allow for fast and accurate input, • the permanent display of the expression entered by the user, • the automatic display of the result while typing: no “=” key required! FastCalc lite is thus a simple and efficient calculator, ideal for everyday calculations. BASICS OF USE The interface of FastCalc lite is innovative and minimalist, entirely based on simple gestures: • Select a side symbol on a key: slide your finger in its direction. • Delete the last entered elements: make a small swipe to the left on the display. • Clear the entire expression: swipe quickly to the left across the whole display. FEATURES • Large, practical, and easy-to-read keys. • Permanent display of the current expression. • Integrated help videos and user guide (in ⓘ).
Speed Converter
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This app is a simple tool for converting various speed units easily. Supported units include km/h (kilometers per hour), m/s (meters per second), mph (miles per hour), knots, ft/s (feet per second), cm/s (centimeters per second), and Mach. Using it is incredibly easy. Just enter a value and select the unit, and all other unit conversions will be displayed instantly. No complicated settings or operations required. Main features: - Supported units: km/h, m/s, mph, knots, ft/s, cm/s, Mach - Simple and intuitive design - Instant conversion to all supported units - Additional information on unit meanings and conversion rates - Works offline, no internet connection required This app is useful for students, engineers, pilots in training, and anyone who needs speed conversions. Whether you are comparing train speeds, understanding overseas road speed limits, or handling scientific calculations, this app is a practical tool. Designed for ease of use, this lightweight and fast app ensures quick and reliable speed conversions whenever you need them.
Screenshots
Verdict
The clearest difference is in-app purchases: FastCalc lite at none against Speed Converter's 2. FastCalc lite also leads on ads (none vs shown). Speed Converter's advantage is iOS requirement (15.0 vs 26.0). On price, update cadence 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. Speed Converter sells 2 in-app purchases, starting at $4.99 per month. FastCalc lite asks for nothing beyond the download.
FastCalc lite ships an update every 5 months, Speed Converter every 9 months. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.
| Parameter | FastCalc lite | Speed Converter |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (15 ratings) — better | — |
| Positive reviews | 73.3% of reviews | — |
| Number of ratings | 15 — better | — |
| Update frequency | Every 5 months — better | Every 9 months |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 26.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | Andre Ponzo | kota tada |
In-app purchases
FastCalc lite
No in-app purchases
Speed Converter
- Ad-free for 1 month7 Days trial$4.991 Month
- Ad-free for 1 year14 Days trial$49.991 Year
Questions
Is FastCalc lite free?
Is Speed Converter free?
Do FastCalc lite or Speed Converter have ads?
Which is updated more often, FastCalc lite or Speed Converter?
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