TimeTell 9 vs C2 Simon Task
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
TimeTell 9
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In order to use this App for time registration and planning your organization must have configured a TimeTell 9 software installation with the App module. Ask the Timetell administrator in your organization for the possibilities. With this app you can always access your TimeTell software environment. Among other things, the App offers the following functionality: * Book hours on activities, projects and customers with hours and times * Specify if hours are billable * Submit expenditures for costs and travel distances * Clock in and out * Submit leave requests * View current leave balance * View and edit appointments in your personal TimeTell calendar * View and edit appointments in your colleagues' TimeTell calendar * Convert a TimeTell calendar appointment to an hour booking * View customer contact information from your TimeTell calendar * Reception list and exportable calamity report All options are configured automatically in accordance with your TimeTell authorization profile. To set up this app you need the following information: * User name * Password * Connection information to the TimeTell server You can ask this information from the Timetell administrator in your organization * Available functionality depends on the TimeTell setup you are connected to * Continuous use of background GPS can significantly reduce battery life
C2 Simon Task
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The iOS app "C2 Simon Task" is intended for those who are interested in psychology, those who are learning psychology, and those who are researching it. * The effect of the Simon task appears as the difference in the time to recognize the direction indicated by the color in the following two cases, for example. ใป When a figure of the color indicating the left is displayed on the left side (compatible) ใป When a figure of the color indicating the right is displayed on the left side (incompatible) The purpose of this app is to be able to see the effect of the Simon task numerically. The iOS app "C2 Simon Task" records the response time of a simon task (task conflict) in milliseconds. Response time is the time from when the task is displayed to when the answer button is touched (touchdown). The recorded data can be output to a CSV file and read into a spreadsheet application such as Excel. You can change the trial interval, the left and right colors, the shape of the shape, the size of the shape, the brightness of the background, and so on. [details] https://app.brain-workout.org/simontask-e/
Screenshots
Verdict
The clearest difference is price: TimeTell 9 at Free against C2 Simon Task's $3.99. TimeTell 9 also leads on update cadence (monthly vs every 11 months) and iOS requirement (13.0 vs 15.6). On ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
TimeTell 9 is free to download; C2 Simon Task costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
TimeTell 9 ships an update monthly, C2 Simon Task every 11 months. The most recent releases landed on August 16, 2026 and September 24, 2026 respectively.
| Parameter | TimeTell 9 | C2 Simon Task |
|---|---|---|
| Price | Free โ better | $3.99 |
| Update frequency | Monthly โ better | Every 11 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 โ better | 15.6 |
| Further details โ not scored | ||
| Size | 182 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | TimeTell BV | Yasuyoshi Ota |
In-app purchases
TimeTell 9
No in-app purchases
C2 Simon Task
No in-app purchases









