Rift Valley Timer vs Calendar Clock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Rift Valley Timer
This app provides a distraction-free countdown timer experience. Create and manage groups of sequential timers with customizable alerts and visual cues. Choose from multiple display styles for optimal visibility.
- Sequential timer groups
- Customizable sounds and vibration
- Flexible timer editing
- Multiple display styles
- Gesture and toolbar controls
- Visual alerts with color cues
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RiVal.T is a powerful, distraction-free countdown timer app. Create and manage groups of sequential timers, each with customizable sounds, vibration, and visual alerts. The app features: Sequential Timer Groups: Organize timers into groups that run one after another, with optional transition beeps and customizable alarms for each group. Drag and drop timers between these groups. Flexible Timer Editing: Set start, warning, and final thresholds for each timer, with intuitive picker wheels for hours, minutes, and seconds. Instantly see which phase you’re in with green, yellow, and red color cues. Three Distinct Timer Displays: Choose between a retro numeric LED, a circular progress donut, or a traffic light-style display, all designed for maximum visibility and minimal distraction. Gesture and Toolbar Controls: Start, pause, rewind, or fast-forward timers with simple gestures or an optional on-screen toolbar, making the app perfect for both quick access and hands-free operation. RiVal.T brings clarity and precision to your timing needs, whether you’re on stage, in the gym, or managing complex routines.
Calendar Clock
This app displays the current year, month, week, and time on a single screen with a clean design. It offers customizable theme colors and functions as a desk clock. The app disables device sleep mode while active.
- All-in-one screen display
- Year, month, week, day, hour, minute, second
- Switchable theme colors (dark, light, green, blue)
- Disables device sleep mode
- Acts as a desk clock
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Time and date, beautifully together. Calendar Clock is a simple, elegant time-and-calendar app designed for iPhone and iPad. See the current time and the entire month at a glance, with a clean interface that stays out of your way. Features * Large digital clock — View the current system time clearly and instantly. * 24-hour or 12-hour format — Swipe across the clock to switch between 24-hour and AM/PM formats. * Monthly calendar — See the full month with the current year and month displayed above it. * Swipe through months — Swipe left or right on the calendar to move between months. * Today at a glance — Today's date is highlighted with a red circle. * Weekend highlighting — Saturdays and Sundays are displayed in red. * Multiple themes — Swipe up or down to change the screen theme. * Remembers your preferences — Your selected clock format and theme are preserved. * iPhone & iPad — Designed for both iPhone and iPad. Simple by design No complicated menus. No unnecessary controls. Just the time and the calendar, exactly when you need them. Calendar Clock — See time. See your day. Note that this application disables your device's sleep mode while running, so make sure you have enough battery life. *Important notice: Use the information recoded or functionality provided in / or generated with this application only as a rough indication, rough estimates or as a rough guide. Even though we do our best to provide you with confirmed information and tried-and-tested features, the accuracy and successful operation and performance of the application are NOT GUARANTEED by us. Users are strongly advised to confirm the information of their interest with other sources and not to ultimately rely on functionality and performance of this application. This application is provided “as is” and with all faults. You bear the risk of using it. We shall not be responsible or liable for any loss or damage of any kind incurred as a result of the use of functions or the content of this application. By using this application you are agreeing to these terms. If you do not agree to these terms do not use this application.
Screenshots
Verdict
The clearest difference is review sentiment: Rift Valley Timer at 100% against Calendar Clock's 0%. Rift Valley Timer also leads on update cadence (fortnightly vs every 41 months) and iOS requirement (17.0 vs 26.5). Calendar Clock's advantage is price ($0.99 vs $1.99). On ads, in-app purchases, monetization model 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
Rift Valley Timer costs $1.99 and Calendar Clock $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Rift Valley Timer ships an update fortnightly, Calendar Clock every 41 months. The most recent releases landed on August 30, 2026 and September 10, 2026 respectively.
| Parameter | Rift Valley Timer | Calendar Clock |
|---|---|---|
| Price | $1.99 | $0.99 — better |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 3 — better | — |
| Update frequency | Fortnightly — better | Every 41 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, Mac — better | iPhone, iPad |
| Requires iOS | 17.0 — better | 26.5 |
| Further details — not scored | ||
| Size | 11 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Rift Valley Software, Inc. | Systemiko Inc. |
Customer experience
Rift Valley Timer
Calendar Clock
In-app purchases
Rift Valley Timer
No in-app purchases
Calendar Clock
No in-app purchases
Questions
Is Rift Valley Timer free?
Is Calendar Clock free?
Do Rift Valley Timer or Calendar Clock have ads?
Which is updated more often, Rift Valley Timer or Calendar Clock?
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