Comparison

QuickFill PDF vs Voice Changer

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

Head to head
About

QuickFill PDF

Features
Read full description

You can fill PDF files quickly with this app. Pros: - You can edit PDF files using pen strokes. - You don't need pen devices to make strokes. These strokes can be scaled down and moved by finger gestures. Cons: - Embeds images in PDFs, instead of annotates them.

About

Voice Changer

Transform your voice with advanced AI technology. Create realistic celebrity impressions, generate audio from text in various voices and languages, and customize sound effects for unique audio content. Easily share your creations with friends and family.

Highlights
  • Celebrity voice impressions
  • Text-to-speech with multiple voices
  • Customizable sound effects
  • Effortless sharing
  • Easy-to-use interface
  • Realistic AI voice transformations
Features
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Experience the ultimate voice modification with "AI Voice Changer." Using the latest AI technology, this app enables you to personalize voice effects like never before. Whether you're creating celebrity impressions, unique audio content, or multilingual recordings, this app got you covered with realistic, high-quality AI voice transformations. Key Features: Celebrity Voice Impressions: Bring your favorite personalities to life with a highly realistic voice changer for a truly immersive experience. Text-to-Speech with Multiple Voices: Seamlessly convert text into audio with a broad range of voices and languages, ideal for content creation and more. Customizable Sound Effects: Modify your voice into cartoon, celebrity, or actor styles, adding a creative edge to every recording. Effortless Sharing: Share custom voice clips with friends and family, great for multilingual interactions or just for fun. Easy-to-Use Interface: Navigate with ease, user-friendly design perfect for all users. Suitable for both professional projects and creative exploration, "AI Voice Changer with Effects" is continually updated to ensure the best AI-powered voice transformation. Try now and discover a world of vocal possibilities!

Screenshots

QuickFill PDF2 screens
Voice Changer4 screens

Verdict

The call

The clearest difference is ads: QuickFill PDF at none against Voice Changer's shown. Voice Changer's advantage is iOS requirement (13.0 vs 15.6). On price, update cadence, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

QuickFill PDF ships an update every 4 months, Voice Changer every 3 months. Both last shipped on November 4, 2026.

Scorecard2 real differences ยท 6 level
QuickFill PDF versus Voice Changer: the parameters behind the verdict, then further details
ParameterQuickFill PDFVoice Changer
PriceFreeFree
Positive reviewsโ€”25.0% of reviews
Update frequencyEvery 4 monthsEvery 3 months โ€” better
AdsNo โ€” betterYes
In-app purchasesNoNo
Monetizationโ€”Ad-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.613.0 โ€” better
Further details โ€” not scored
Size1 MB39 MB
Age rating4+4+
DeveloperYujin YanoMINOR BUGS

In-app purchases

None

QuickFill PDF

No in-app purchases

None

Voice Changer

No in-app purchases

Questions

Is QuickFill PDF free?
QuickFill PDF is free to download, with no in-app purchases.
Is Voice Changer free?
Voice Changer is free to download, with no in-app purchases.
Do QuickFill PDF or Voice Changer have ads?
Voice Changer shows ads; QuickFill PDF does not.
Which is updated more often, QuickFill PDF or Voice Changer?
QuickFill PDF ships an update every 4 months, and Voice Changer every 3 months. Most recently, QuickFill PDF was updated on November 4, 2026 and Voice Changer on November 4, 2026.

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