Comparison

Smash PDF vs AI

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

Head to head
About

Smash PDF

Features
Read full description

Meet Smash PDF, the tiny gym for bulky PDFs. Your one tap compressor. Pick a heavy PDF document, tap Smash, and instantly reduce its size while keeping the text and layout intact. No accounts. No ads. No cloud compression. Everything stays private and local. Whether you need to email a large file, free up space, or just tidy up your library, Smash PDF makes it super simple. ### Bring PDFs from anywhere ### โ€ข Files app: browse and pick in a tap โ€ข Share Sheet: from Mail, WhatsApp, Safari, and more โ€ข Wi-Fi Drive: turn your device into a wireless drive and transfer PDFs over Wi-Fi โ€ข Browser Sharing: move PDFs wirelessly using your web browser โ€ข iCloud Drive: sync your PDF library across all your Apple devices ### Why youโ€™ll love it ### โ€ข Private by design: 100% on-device compression. Your PDFs never touch a server โ€ข Same content, smaller size: layout and text stay intact โ€ข Ridiculously simple: pick a preset, tap Smash, done โ€ข Works offline: no internet required โ€ข No ads. No tracking. No account needed โ€ข Built-in file manager: organize with folders, rename, move, search, and share Go Pro with a one time purchase. Unlock unlimited compression. No subscriptions. No renewals. Buy once, enjoy forever.

About

AI

Read full description

AI โ€“ Double Check lets you ask any question and instantly compare answers from multiple leading AI models โ€” GPT, Google AI, and Claude AI. Never rely on just one AI again. Different AI models have different strengths, biases, and knowledge gaps. By comparing multiple answers side by side, you get a more complete and reliable picture of the truth. HOW IT WORKS: - Type any question or topic - Double Check: Compare GPT and Google AI answers - Triple Check: Add Claude AI for a three-way comparison - An independent AI judge analyzes all answers and delivers a synthesized verdict - See the agreement score and spot where AIs disagree FEATURES: - Real-time comparison of multiple AI models - Independent judge verdict with agreement score - Conversation history โ€” continue previous chats - Follow-up questions in context - Available in 12 languages - Clean, modern interface TOKENS: - 3 free tokens daily โ€” automatically refreshed every day - Earn additional tokens by watching short ads - Double Check costs 1 token, Triple Check costs 2 tokens AI โ€“ Double Check is perfect for research, fact-checking, getting second opinions, or simply exploring how different AIs think about the same question. Note: All AI responses are for informational purposes only and may contain errors. Always verify important information from reliable sources.

Screenshots

Smash PDF4 screens
AI3 screens

Verdict

The call

The clearest difference is in-app purchases: AI at none against Smash PDF's 1. Smash PDF's advantage is ads (none vs shown) and update cadence (every 6 days vs fortnightly). On price, device support and iOS requirement 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. Smash PDF sells 1 one-off in-app purchase. AI asks for nothing beyond the download.

UpkeepUpdate frequency

Smash PDF ships an update every 6 days, AI fortnightly. The most recent releases landed on October 11, 2026 and October 25, 2026 respectively.

Scorecard3 real differences ยท 3 level
Smash PDF versus AI: the parameters behind the verdict, then further details
ParameterSmash PDFAI
PriceFreeFree
Update frequencyEvery 6 days โ€” betterFortnightly
AdsNo โ€” betterYes
In-app purchasesYesNo โ€” better
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPod
Requires iOS15.6 โ€” better16
Further details โ€” not scored
Size38 MB6 MB
Age rating4+12+
Developerchaman chlachJonas Gottsche

In-app purchases

1 purchases

Smash PDF

One-time1
  • Smash PDF Pro Lifetime$2.99
None

AI

No in-app purchases

Questions

Is Smash PDF free?
Smash PDF is free to download, with in-app purchases available.
Is AI free?
AI is free to download, with no in-app purchases.
Do Smash PDF or AI have ads?
AI shows ads; Smash PDF does not.
Which is updated more often, Smash PDF or AI?
Smash PDF ships an update every 6 days, and AI fortnightly. Most recently, Smash PDF was updated on October 11, 2026 and AI on October 25, 2026.

Other comparisons