Comparison

Count Up Down Timer vs DarkScreenReader

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Count Up Down Timer

Features
Read full description

Zero hassle. Total control. "CountUpDownTimer" redefines how you interact with time. ■ The Magic of Swipe Forget tapping numbers. Just swipe to set your time with incredible smoothness. This intuitive interface lets you focus on what matters most, instantly. ■ Seamless Mode Switching Changed your mind? Switch between Count-Up and Count-Down even during measurement. Flexibility is now at your fingertips. ■ Groundbreaking Speed Control Adjust the flow of time itself. Run your timer at 2x or 0.5x speed. • Use 2x speed to challenge yourself and boost productivity. • Use slow-motion for tasks that require steady pacing. Experience a completely new way to manage your day. ■ Perfect For: • Cooking: Set timers instantly with a simple swipe. • Training & Study: Apply healthy pressure using speed-up features. • Complex Tasks: Flexibly switch modes as your workflow evolves. Ultimate simplicity meets high-end functionality. Feel what it’s like to truly master your time.

About

DarkScreenReader

This tool allows discreet reading of local novel files by displaying text only in a small, user-defined area against a black screen. It mimics a locked phone to avoid drawing attention in public spaces. Features include customizable display, tap-to-hide functionality, and automatic page turning.

Highlights
  • Selected display area on black screen
  • Tap to hide/resume text
  • Automatic page turning
  • Swipe navigation
  • Customizable display area
  • Local file support
Features
Read full description

DarkScreenReader is a discreet reading tool for local novel files. It keeps most of the screen completely black and displays novel text only in a small area selected by you, making the phone look as if it is still locked. It is designed for office environments where you may prefer not to draw attention to your reading. 【QUICK START】 Open the app and select a local novel file Adjust the position and size of the text display area Enter the black-screen reading mode and start reading 【BLACK-SCREEN READING MODE】 • Selected display area: Show novel text only in the area you choose while keeping the rest of the screen completely black • Tap to hide: Tap the screen to hide the text immediately and switch to a fully black screen • Tap to resume: Tap again to restore the text and continue automatic page turning • Automatic page turning: Read continuously at your selected speed, with automatic pausing when the text is hidden • Swipe navigation: Swipe left or right to move to the previous or next page • Long-press menu: Long-press the screen in reading mode to open reading settings and controls • Customizable display area: Adjust the position and size of the text area to suit your environment 【LOCAL CONTENT】 All novel content is selected and imported by the user. DarkScreenReader does not provide an online library and does not download, sell, or distribute novel content. 【IMPORTANT INFORMATION】 “Dark screen reading” refers to a near-screen-off visual effect created by a pure black background and a small text display area. It does not actually turn off the display, lock the device, or replace the iOS Lock Screen. Please use this app only in safe and appropriate environments. Privacy Policy URL:https://www.assetpacket.top/dark-screen-reader/privacy.html Terms/EULA:https://www.assetpacket.top/dark-screen-reader/terms.html

Screenshots

Count Up Down Timer3 screens
DarkScreenReader4 screens

Verdict

The call

The clearest difference is in-app purchases: Count Up Down Timer at none against DarkScreenReader's 1. Count Up Down Timer also leads on update cadence (every 3 weeks vs every 5 weeks). DarkScreenReader's advantage is ads (none vs shown). On price, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. DarkScreenReader sells 1 one-off in-app purchase. Count Up Down Timer asks for nothing beyond the download.

UpkeepUpdate frequency

Count Up Down Timer ships an update every 3 weeks, DarkScreenReader every 5 weeks. The most recent releases landed on October 4, 2026 and September 28, 2026 respectively.

Scorecard3 real differences · 6 level
Count Up Down Timer versus DarkScreenReader: the parameters behind the verdict, then further details
ParameterCount Up Down TimerDarkScreenReader
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 3 weeks — betterEvery 5 weeks
AdsYesNo — better
In-app purchasesNo — betterYes
Monetization—Free
DevicesiPhone, iPad — betteriPhone
Requires iOS17.017.0
Further details — not scored
Size9 MB2 MB
Age rating4+4+
DeveloperSatoshi Yamakawa兴雨 蔡

In-app purchases

None

Count Up Down Timer

No in-app purchases

1 purchases

DarkScreenReader

One-time1
  • DarkScreenReader Pro LifeTime$1.99

Questions

Is Count Up Down Timer free?
Count Up Down Timer is free to download, with no in-app purchases.
Is DarkScreenReader free?
DarkScreenReader is free to download, with in-app purchases available.
Do Count Up Down Timer or DarkScreenReader have ads?
Count Up Down Timer shows ads; DarkScreenReader does not.
Which is updated more often, Count Up Down Timer or DarkScreenReader?
Count Up Down Timer ships an update every 3 weeks, and DarkScreenReader every 5 weeks. Most recently, Count Up Down Timer was updated on October 4, 2026 and DarkScreenReader on September 28, 2026.

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