---
title: "C4Timekeeper - Reviews, Revenue and Downloads in Czechia | Apple App Store"
description: "Stopwatch for timekeeper  This app is a stopwatch for timekeeper of Oldtimer Rallye  This app replaces the expensive stopwatch of Oldtimer Rally organizer.  This app can be used by the timekeeper for "
---

# C4Timekeeper — Czechia

![C4Timekeeper App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/4b/ba/51/4bba51af-26ff-0b1c-5267-b18ec2575697/AppIcon-0-0-1x_U007emarketing-0-11-0-85-220.png/400x400bb.png)

**Developer:** [Filippo Gozza](https://apptail.io/developer/filippo-gozza-dGJ) (Germany)
**Category:** Sports
**Rating:** 4.0/5 (1 ratings)
**Price:** Free
**Bundle ID:** de.filipposoftware.Crono4Timekeeper.lite
**Store:** Apple App Store
**Country:** Czechia
**Version:** 3.65 (released 2026-09-17)
**Original Release:** 2015-06-18

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/cz/app/app/id1003021684)
**AppTail Page:** [https://apptail.io/app/c4timekeeper-askc/czechia](https://apptail.io/app/c4timekeeper-askc/czechia)

## C4Timekeeper Description
Stopwatch for timekeeper

This app is a stopwatch for timekeeper of Oldtimer Rallye

This app replaces the expensive stopwatch of Oldtimer Rally organizer.

This app can be used by the timekeeper for the secret time control.
On the external Bluetooth button (can be me ordered ) a photocell can be connected.
A printer is not necessary, because you can send the times by e-mail to the organizers.
Thus, need for evaluations, the organizers do not wait until the timer to come back.


Synchronization of the clock:
   1. Manually, using as a reference the time of the organizers.
   2. GPS, using the satellite time.
   3. The atomic time, using one of the many global or regional server.

Functions:
   You can use for the Stop, the green software button &quot;Start&quot;.

   For the Stop can also be used with an external bluetooth-button.
   The button works with all iPad e iPhone.

Important! A photocell can at the input for the button to be connected (the contact is open).
           The external button, you can order from me, price see at 


Limitations of the Free-version:
    * A maximum. 5 times to stop.


Supported languages:
German, Italian, English

## C4Timekeeper Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/Purple125/v4/86/28/ed/8628edc1-161f-cbee-3461-d3ac3f614175/pr_source.png/1242x2688.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource115/v4/a9/38/b7/a938b708-9401-52fd-faf3-3bd13e666b2b/ea04c553-2d46-4333-9536-c922e07b53c1_store_02_x.png/1242x2688.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource115/v4/cb/c2/4a/cbc24a36-ffb6-690c-1c05-2cd81b4a1b75/bf9ffa11-888b-4eab-b1fa-20c1db6d3f8d_store_03_x.png/1242x2688.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource125/v4/86/2d/51/862d51a9-da1d-be59-f27d-9084af05b7ed/0fac7e4a-b238-4cbb-8637-ab484d1e3e32_store_07_x.png/1242x2688.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource115/v4/8e/de/93/8ede9300-6dd2-052c-72bf-b18f22d0db62/be4f903a-a9a1-4965-8a74-38b34ad8c4ba_store_08_x.png/1242x2688.png)
- [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource115/v4/02/c7/f8/02c7f834-1ec4-5494-cc57-07165104e0e9/8ddafa4d-a1ea-48c9-b9bf-3c2dfc0da9c4_store_04_x.png/1242x2688.png)

## C4Timekeeper Rating Breakdown in Czechia
- 5 stars: 0 (0%)
- 4 stars: 1 (100%)
- 3 stars: 0 (0%)
- 2 stars: 0 (0%)
- 1 stars: 0 (0%)


## C4Timekeeper In-App Purchases
| Item | Price |
|------|-------|
| Full version for 6 months | 249.00 č |
| Full version for one year | 399.00 č |
| Full version for one month | 129.00 č |



## Apps Similar to C4Timekeeper
- [MultiTrack Stat!](https://apptail.io/app/multitrack-stat-QHvb/czechia)
- [VinCarLite](https://apptail.io/app/vincarlite-Yrkc/czechia)
- [MiRally Crono](https://apptail.io/app/mirally-crono-DIIc/czechia)
- [FDS TBox Chrono](https://apptail.io/app/fds-tbox-chrono-PnFe/czechia)
- [EBATime2](https://apptail.io/app/ebatime2-vkJe/czechia)
- [Speed-Checkr](https://apptail.io/app/speed-checkr-pyhh/czechia)
- [STAGE Airsoft](https://apptail.io/app/stage-airsoft-zlHh/czechia)
- [FDS Smart Chrono](https://apptail.io/app/fds-smart-chrono-NLsl/czechia)
- [ChronoMaster Lite](https://apptail.io/app/chronomaster-lite-gPtl/czechia)
- [ATD Tennis Campobasso](https://apptail.io/app/atd-tennis-campobasso-FSfm/czechia)

## C4Timekeeper Available In
- [Czechia](https://apptail.io/app/c4timekeeper-askc/czechia)
- [Armenia](https://apptail.io/app/c4timekeeper-askc/armenia)
- [Argentina](https://apptail.io/app/c4timekeeper-askc/argentina)
- [Austria](https://apptail.io/app/c4timekeeper-askc/austria)
- [Australia](https://apptail.io/app/c4timekeeper-askc/australia)
- [Azerbaijan](https://apptail.io/app/c4timekeeper-askc/azerbaijan)
- [Belgium](https://apptail.io/app/c4timekeeper-askc/belgium)
- [Brazil](https://apptail.io/app/c4timekeeper-askc/brazil)
- [Switzerland](https://apptail.io/app/c4timekeeper-askc/switzerland)
- [Chile](https://apptail.io/app/c4timekeeper-askc/chile)
- [China](https://apptail.io/app/c4timekeeper-askc/china)
- [Colombia](https://apptail.io/app/c4timekeeper-askc/colombia)
- [Germany](https://apptail.io/app/c4timekeeper-askc/germany)
- [Denmark](https://apptail.io/app/c4timekeeper-askc/denmark)
- [Dominican Republic](https://apptail.io/app/c4timekeeper-askc/dominican-republic)
- [Algeria](https://apptail.io/app/c4timekeeper-askc/algeria)
- [Ecuador](https://apptail.io/app/c4timekeeper-askc/ecuador)
- [Estonia](https://apptail.io/app/c4timekeeper-askc/estonia)
- [Egypt](https://apptail.io/app/c4timekeeper-askc/egypt)
- [Spain](https://apptail.io/app/c4timekeeper-askc/spain)
- [Finland](https://apptail.io/app/c4timekeeper-askc/finland)
- [France](https://apptail.io/app/c4timekeeper-askc/france)
- [United Kingdom](https://apptail.io/app/c4timekeeper-askc/united-kingdom)
- [Greece](https://apptail.io/app/c4timekeeper-askc/greece)
- [Hong Kong SAR China](https://apptail.io/app/c4timekeeper-askc/hong-kong)
- [Hungary](https://apptail.io/app/c4timekeeper-askc/hungary)
- [Indonesia](https://apptail.io/app/c4timekeeper-askc/indonesia)
- [Ireland](https://apptail.io/app/c4timekeeper-askc/ireland)
- [Israel](https://apptail.io/app/c4timekeeper-askc/israel)
- [India](https://apptail.io/app/c4timekeeper-askc/india)
- [Italy](https://apptail.io/app/c4timekeeper-askc/italy)
- [Japan](https://apptail.io/app/c4timekeeper-askc/japan)
- [Kuwait](https://apptail.io/app/c4timekeeper-askc/kuwait)
- [Kazakhstan](https://apptail.io/app/c4timekeeper-askc/kazakhstan)
- [Lebanon](https://apptail.io/app/c4timekeeper-askc/lebanon)
- [Sri Lanka](https://apptail.io/app/c4timekeeper-askc/sri-lanka)
- [Luxembourg](https://apptail.io/app/c4timekeeper-askc/luxembourg)
- [Malta](https://apptail.io/app/c4timekeeper-askc/malta)
- [Mexico](https://apptail.io/app/c4timekeeper-askc/mexico)
- [Malaysia](https://apptail.io/app/c4timekeeper-askc/malaysia)
- [Nigeria](https://apptail.io/app/c4timekeeper-askc/nigeria)
- [Netherlands](https://apptail.io/app/c4timekeeper-askc/netherlands)
- [Norway](https://apptail.io/app/c4timekeeper-askc/norway)
- [New Zealand](https://apptail.io/app/c4timekeeper-askc/new-zealand)
- [Peru](https://apptail.io/app/c4timekeeper-askc/peru)
- [Philippines](https://apptail.io/app/c4timekeeper-askc/philippines)
- [Pakistan](https://apptail.io/app/c4timekeeper-askc/pakistan)
- [Poland](https://apptail.io/app/c4timekeeper-askc/poland)
- [Portugal](https://apptail.io/app/c4timekeeper-askc/portugal)
- [Romania](https://apptail.io/app/c4timekeeper-askc/romania)
- [Saudi Arabia](https://apptail.io/app/c4timekeeper-askc/saudi-arabia)
- [Sweden](https://apptail.io/app/c4timekeeper-askc/sweden)
- [Singapore](https://apptail.io/app/c4timekeeper-askc/singapore)
- [Suriname](https://apptail.io/app/c4timekeeper-askc/suriname)
- [Thailand](https://apptail.io/app/c4timekeeper-askc/thailand)
- [Türkiye](https://apptail.io/app/c4timekeeper-askc/turkey)
- [Taiwan](https://apptail.io/app/c4timekeeper-askc/taiwan)
- [Ukraine](https://apptail.io/app/c4timekeeper-askc/ukraine)
- [United States](https://apptail.io/app/c4timekeeper-askc/united-states)
- [Vietnam](https://apptail.io/app/c4timekeeper-askc/vietnam)
- [United Arab Emirates](https://apptail.io/app/c4timekeeper-askc/united-arab-emirates)
- [South Africa](https://apptail.io/app/c4timekeeper-askc/south-africa)

---

## About AppTail

[AppTail](https://apptail.io) is a mobile app intelligence platform providing app analytics, ASO (App Store Optimization) tools, keyword tracking, competitor analysis, revenue estimates, and review monitoring for iOS App Store apps. Track your app's performance, discover ranking keywords, monitor competitors, and analyze market trends.

- [Search Apps](https://apptail.io)
- [Top Charts](https://apptail.io/top-iphone-apps)
- [Sign Up for Full Access](https://app.apptail.io/signup?utm_campaign=ai-crawl&amp;utm_content=footer)

*Data provided by [AppTail](https://apptail.io) - Mobile App Intelligence Platform*
