Comparison

Fun Clock vs Studio PDF

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

Head to head
About

Fun Clock

Enhance concentration and learning with a visually appealing and audibly soothing clock. Offers customizable themes, relaxing animations, and a minimalist design to aid focus and productivity. Can also serve as a charging screen saver or a tool for relaxation.

Highlights
  • 15 beautiful and creative themes
  • Relaxing ticking sound with delicate animations
  • Simple and lightweight minimalist design
  • Customizable for personal needs
  • Charging screen saver functionality
  • Aids concentration and learning efficiency
Features
Read full description

Fun Clock is a relaxed and fun clock app that improves your concentration, keeps you focused, and improves your learning efficiency. feature: - 15 beautiful themes, each with its own creativity - Nice ticking sound combined with delicate animations, let you relax and focus - Simple and lightweight, the design and interaction maintain a minimalist style - Charging display, can be used as your charging screen saver Fun Clock app is a practical efficiency gadget, which can provide users with exquisite time display, so as to improve users' concentration and attention, and improve work and study efficiency. Its design style is simple, the interaction method is direct, and the animation is exquisite and attractive. Users can personalize it according to their own needs. The software allows users to make full use of time, allowing you to better grasp every minute and every second around you. If you have insomnia, you can also place it next to your pillow, watch the clock beat rhythmically, and perform self-hypnosis.

About

Studio PDF

Features
Read full description

Studio PDF: A powerful toolbox, right in your pocket. Studio PDF is the ideal tool for handling your documents with ease and security. Unlike online alternatives, our app processes all your files locally on your iPhone. Your documents never leave your device: no servers, no cloud, total privacy. Why choose Studio PDF? Experience absolute privacy with no account required and zero data collection. Our native interface is designed specifically for iOS to ensure smooth performance, even with heavy documents. You get essential tools in one secure and elegant location. Your essential tools: Our page organizer allows you to reorder, rotate, or delete pages instantly with a single gesture. You can also merge multiple PDF files into one clean and structured document. For your security, add strong passwords to protect sensitive data from unauthorized access. Upgrade to the Pro version for unlimited access to merging and protection features, and enjoy a premium experience.

Screenshots

Fun Clock4 screens
Studio PDF4 screens

Verdict

The call

The clearest difference is ads: Studio PDF at none against Fun Clock's shown. Fun Clock's advantage is device support (4 vs 1) and iOS requirement (15.0 vs 17.0). On price, update cadence and in-app purchases 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. Fun Clock sells 1 one-off in-app purchase and Studio PDF sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Fun Clock ships an update weekly, Studio PDF every 4 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 7 level
Fun Clock versus Studio PDF: the parameters behind the verdict, then further details
ParameterFun ClockStudio PDF
PriceFreeFree
Rating4.3 (84 ratings) — better—
Positive reviews86.7% of reviews—
Number of ratings84 — better—
Update frequencyWeeklyEvery 4 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod, Mac — betteriPhone
Requires iOS15.0 — better17.0
Further details — not scored
Size39 MB4 MB
Age rating4+4+
Developer亚杰 刘Simon DECAESTECKER

In-app purchases

1 purchases

Fun Clock

One-time1
  • Unlock All Clocks2 variants$0.99
1 purchases

Studio PDF

One-time1
  • Studio PDF Pro - Lifetime$3.99

Questions

Is Fun Clock free?
Fun Clock is free to download, with in-app purchases available.
Is Studio PDF free?
Studio PDF is free to download, with in-app purchases available.
Do Fun Clock or Studio PDF have ads?
Fun Clock shows ads; Studio PDF does not.
Which is updated more often, Fun Clock or Studio PDF?
Fun Clock ships an update weekly, and Studio PDF every 4 days. Most recently, Fun Clock was updated on October 24, 2026 and Studio PDF on October 25, 2026.

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