Dual up down timer vs Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Dual up down timer
This utility app provides a straightforward heat-up and cool-down timer. It features a simple interface and visual cues, with screen flashes indicating the end of each interval.
- Heat up and cool down timer
- Simple user interface
- Screen flash alerts
- Interval timing
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With a simple user interface users can quickly setup and use a heat up and cool down styled timer. The screen flashs black at the end of the heat up portion and white at the end of the cool down portion.
Calculator
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Calculator - SLOX is a simple yet powerful calculator app with a beautiful dark interface. FEATURES: • Basic arithmetic operations: +, −, ×, ÷ • Percentage calculations • Plus/minus toggle • Decimal point support • Clear and delete functions • Clean, modern dark design • Haptic feedback for button presses HIGHLIGHTS: • No permissions required • Works completely offline • 15 languages supported • No ads • Battery efficient • Fast and responsive Perfect for everyday calculations. Download now!
Screenshots
Verdict
The clearest difference is update cadence: Calculator at every 3 days against Dual up down timer's every 4 months. Dual up down timer's advantage is iOS requirement (11.2 vs 13.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Dual up down timer ships an update every 4 months, Calculator every 3 days. The most recent releases landed on November 3, 2026 and October 28, 2026 respectively.
| Parameter | Dual up down timer | Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 4 months | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 11.2 — better | 13.0 |
| Further details — not scored | ||
| Size | 10 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | RD Concepts | SEOKWON YANG |
In-app purchases
Dual up down timer
No in-app purchases
Calculator
No in-app purchases
Questions
Is Dual up down timer free?
Is Calculator free?
Do Dual up down timer or Calculator have ads?
Which is updated more often, Dual up down timer or Calculator?
Other comparisons
