Simple Speed Gun vs CallPlay
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Simple Speed Gun
Measure ball speeds accurately using your phone. Simply start and stop the timer as the ball travels to calculate its velocity. Customize distance and speed units for your needs.
- Measure ball speed
- Calculate speed using distance and time
- Two measurement stop methods
- Customizable distance setting
- Selectable distance units (meters/feet)
- Selectable speed units (KPH/MPH)
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This is a speed gun app for those who want to know the ball speed. The distance and time (from start to stop) are used to measure the speed of the ball. ● Measurement way Start measurement when the ball is thrown, and stop measurement when the ball is caught. The time from the start to the stop is used to calculate the ball speed. There are two ways to stop the measurement. One is to tap the button to start and tap it again to stop. The other is to start when the button is tapped and stop when the button is released. Choose the one that is easier to use. ● Distance setting and units Tap the distance to change it. The default setting is 18.44 meters. The unit of distance can be selected from "meters" and "feet" on the setting screen. ● Speed Unit The unit of speed can be selected from “KPH” and “MPH". If you want to change it, do so on the setting screen.
CallPlay
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CallPlay helps you discover sports venues and join matches near you. MAP & VENUES • Explore venues on a map tuned for sports facilities. • See sports available at each location and open details when you need more context. MATCHES • Browse upcoming matches and see what fits your schedule. • Join when you’re ready—stay in sync with the community side of the game. YOU • Sign in with Apple, Google, or Facebook—or use email and password (same flows as in the shipped iOS app). • Save sport preferences so discovery matches how you play. CallPlay is built for players who want less friction between “where can I play?” and “I’m in.” Support: use the Contact form on call-play.com if you need help.
Screenshots
Verdict
The clearest difference is in-app purchases: CallPlay at none against Simple Speed Gun's 2. CallPlay also leads on ads (none vs shown) and update cadence (fortnightly vs every 4 months). Simple Speed Gun's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 18.6). On price 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. Simple Speed Gun sells 2 one-off in-app purchases. CallPlay asks for nothing beyond the download.
Simple Speed Gun ships an update every 4 months, CallPlay fortnightly. The most recent releases landed on October 25, 2026 and October 8, 2026 respectively.
| Parameter | Simple Speed Gun | CallPlay |
|---|---|---|
| Price | Free | Free |
| Rating | 2.7 (63 ratings) — better | — |
| Positive reviews | 47.8% of reviews | — |
| Number of ratings | 63 — better | — |
| Update frequency | Every 4 months | Fortnightly — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 18.6 |
| Further details — not scored | ||
| Size | 39 MB | 4 MB |
| Age rating | 4+ | 9+ |
| Developer | NAOYA ONO | tihon grigorenko |
In-app purchases
Simple Speed Gun
- Support Developer$0.99
- Remove ads$2.99
CallPlay
No in-app purchases
Questions
Is Simple Speed Gun free?
Is CallPlay free?
Do Simple Speed Gun or CallPlay have ads?
Which is updated more often, Simple Speed Gun or CallPlay?
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