Comparison

PDF Watermark Assistant vs Life Countdown

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

Head to head
About

PDF Watermark Assistant

Features
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PDF Watermark Assistant — Your Professional PDF Watermarking Tool Need to add anti-counterfeiting marks to important documents? Or want to stamp your work with your exclusive brand? PDF Watermark Assistant focuses on providing you with the ultimate custom watermark experience. Say goodbye to cookie-cutter fixed templates and take control of every detail of your watermark! [Fully Customizable Watermarks] Provides comprehensive and in-depth watermark parameter configurations without missing a single detail. All parameters are open for free adjustment, allowing the watermark to perfectly fit your document needs and creating a unique, exclusive watermark effect. · Font Size Support Whether you need an eye-catching warning watermark or a low-key, subtle identifier, you can freely set the font size to meet the visual presentation needs of different document scenarios. · Text Color & Opacity Adjustment Choose your exclusive text color at will to match your corporate brand image or personal preference; precisely adjust the watermark opacity to effectively declare copyright without blocking the main text content, achieving a perfect balance between protection and readability. · Precise Rotation Control Supports custom watermark tilt angles, making it easy to achieve the classic diagonal full-page anti-counterfeiting effect. Precise angle control makes the layout more professional and standard, giving you peace of mind against unauthorized copying. · Line & Letter Spacing Adjustment Say no to cluttered or sparse layouts! By finely adjusting the line spacing and letter spacing, the watermark layout becomes well-proportioned and uniform. Maintain visual aesthetics while covering the entire page, making the watermark a part of the document layout art. Why Choose PDF Watermark Assistant? Focused on PDF watermarks, pure functionality without bloat What you see is what you get, real-time preview of parameter adjustments Attention to detail, the top choice for layout enthusiasts and perfectionists Download PDF Watermark Assistant now, and dress your PDF documents in a tailor-made professional “protective suit”! — Privacy Policy please visit: https://docs.qq.com/doc/DREt1SXJkbG9JYUFT * **Terms of use (EULA): * https://docs.qq.com/doc/DREdKR2ZwYUJaa1hr * **Terms of apple please visit: * https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Life Countdown

This app helps you visualize your remaining time by calculating days lived and days left based on your birthday and expected lifespan. It offers a deep space theme, extensive iOS widgets, and prioritizes user privacy with local data storage. All core features are free to use.

Highlights
  • Calculates days lived and remaining
  • Personalized expected lifespan setting
  • Deep space theme
  • Extensive iOS widgets
  • Local data storage
  • 14 language support
Features
Read full description

In our fast-paced life, we often forget time is finite. Life Countdown shows your days lived and remaining in an intuitive countdown—so you cherish every moment. Enter your birthday and expected lifespan to start. Completely free, no ads. Core Features • Precise calculation of days lived and remaining, at a glance • Personalized expected lifespan setting—plan your life by your expectations • Deep space theme design, immersive experience • Rich iOS widgets: 12+ types for home screen and lock screen, covering year/month/day/hour/minute/second progress • Supports 14 languages Widget System • Home screen and lock screen widgets in circular, rectangular, inline styles • Control Center widget (iOS 18+) for quick access • Statistics widget showing remaining time • Smart color adaptation to system theme • Glass effect design with semi-transparent background • Optimized update frequency for different time dimensions Privacy & Data • All data stored locally on your device only • No personal information collected or uploaded • No internet required; delete app to clear all data Completely Free • All core features free to use • No ads, no in-app purchases, no subscriptions • Regular updates, more free features in development Planned Features • Life milestone recording • Personalized time reminders • Life statistics charts • More themes and animations Privacy Policy: https://www.notion.so/leilei0091/Lifeless-Privacy-Policy-2545e372803f80649426e06ec5921809?source=copy_link Feedback: leilei0091@icloud.com

Screenshots

PDF Watermark Assistant4 screens
Life Countdown4 screens

Verdict

The call

The clearest difference is update cadence: Life Countdown at monthly against PDF Watermark Assistant's every 5 months. PDF Watermark Assistant's advantage is price ($0.99 vs $2.99). On ads, in-app purchases, 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

PDF Watermark Assistant costs $0.99 and Life Countdown $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

PDF Watermark Assistant ships an update every 5 months, Life Countdown monthly. The most recent releases landed on October 30, 2026 and November 9, 2026 respectively.

Scorecard2 real differences · 6 level
PDF Watermark Assistant versus Life Countdown: the parameters behind the verdict, then further details
ParameterPDF Watermark AssistantLife Countdown
Price$0.99 — better$2.99
Positive reviews—66.7% of reviews
Update frequencyEvery 5 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
Monetization—Paid
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.6 — better17.6
Further details — not scored
Size5 MB27 MB
Age rating4+4+
Developer乐祥 胡雷雷 张

In-app purchases

None

PDF Watermark Assistant

No in-app purchases

None

Life Countdown

No in-app purchases

Questions

Is PDF Watermark Assistant free?
PDF Watermark Assistant costs $0.99, with no in-app purchases.
Is Life Countdown free?
Life Countdown costs $2.99, with no in-app purchases.
Do PDF Watermark Assistant or Life Countdown have ads?
Neither PDF Watermark Assistant nor Life Countdown shows ads.
Which is updated more often, PDF Watermark Assistant or Life Countdown?
PDF Watermark Assistant ships an update every 5 months, and Life Countdown monthly. Most recently, PDF Watermark Assistant was updated on October 30, 2026 and Life Countdown on November 9, 2026.

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