Comparison

Crypto String vs PuryFile

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

Head to head
About

Crypto String

Features
Read full description

Crypto String is the ultimate secure text encryption app using military-grade AES-256-GCM with authentication. Protect your sensitive information with powerful encryption and Base64 encoding — all 100% offline and private. Core Features • AES-256-GCM Encryption – Military-grade algorithm with custom keys for unique results • Base64 Encode/Decode – Fast and reliable for data transmission and storage • File Import – Directly import text/keys from local files or iCloud Drive • Smart Key Management – Import keys + eye-icon toggle to view/hide safely • History Records – Auto-save last 10 operations with key hints (only first 4 chars) • Multilingual Interface – Automatic language switching • Dark Mode + iOS Native – Built with Apple CryptoKit for maximum security Security First • 100% Local Processing – Nothing uploaded to cloud • No data collection, no accounts, no tracking • Keys never stored in plain text • One-time purchase, no ads, no subscriptions Perfect for protecting passwords, notes, private messages, or business data. Simple, fast, and truly private. Download Crypto String now and encrypt with confidence!

About

PuryFile

Remove hidden personal details from photos, documents, and videos before sharing. This tool creates clean copies for uploading or sending, ensuring your original files remain untouched. It supports a wide range of file types and allows batch processing.

Highlights
  • Remove hidden metadata
  • Supports photos, documents, audio, video
  • Batch file cleaning
  • Keeps original files intact
  • On-device processing
  • Lifetime access option
Features
Read full description

Clean files before you share them. Keep your private identity separate from the files you send. PuryFile helps you remove supported hidden details from photos, documents, spreadsheets, audio, and videos before sending or uploading them — even when different file types are mixed together in one batch. Files can contain information you may not want to share, such as location data, author names, device details, app information, timestamps, document properties, and other privacy-sensitive metadata. PuryFile creates clean copies for sharing while keeping your original files unchanged. Why PuryFile? • Clean many files at once • Mix different file types in one batch • Clean photos, PDFs, Office files, spreadsheets, audio, and videos • Remove supported privacy-sensitive metadata before sharing • Clean supported embedded images inside documents • Keep your original files untouched • File cleaning happens on your device • Start free • Unlock unlimited use with Lifetime Access • No subscription Use PuryFile before you: • Share files with people you do not fully know • Upload files online • Send documents to clients, schools, or workplaces • Share photos publicly • Send spreadsheets, PDFs, or documents from your personal device • Share creative, personal, or work files • Reduce the chance of accidentally sharing hidden personal details Supported file types PuryFile supports images, PDFs, Office documents, Apple iWork files, audio files, and videos. Supported formats include JPG, PNG, CR2, CR3, DNG, HEIC, PDF, DOCX, XLSX, PPTX, Pages, Numbers, Keynote, MP3, WAV, M4A, MP4, MOV, and more. Free to start Start free and clean files right away. Unlock unlimited use with a one-time Lifetime Access purchase. No subscription. No recurring fees.

Screenshots

Crypto String3 screens
PuryFile4 screens

Verdict

The call

The clearest difference is price: PuryFile at Free against Crypto String's $0.99. PuryFile also leads on update cadence (every 3 weeks vs every 4 months). Crypto String's advantage is in-app purchases (none vs 1) and iOS requirement (18.0 vs 26.0). On ads and device support 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

PuryFile is free to download; Crypto String costs $0.99 up front. PuryFile sells 1 one-off in-app purchase. Crypto String asks for nothing beyond the download.

UpkeepUpdate frequency

Crypto String ships an update every 4 months, PuryFile every 3 weeks. The most recent releases landed on September 19, 2026 and September 5, 2026 respectively.

Scorecard4 real differences · 6 level
Crypto String versus PuryFile: the parameters behind the verdict, then further details
ParameterCrypto StringPuryFile
Price$0.99Free — better
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 4 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.0 — better26.0
Further details — not scored
Size0 MB18 MB
Age rating4+4+
DeveloperXu WangBENCE BALAZS FARKAS

In-app purchases

None

Crypto String

No in-app purchases

1 purchases

PuryFile

One-time1
  • PuryFile Lifetime Access$5.99

Questions

Is Crypto String free?
Crypto String costs $0.99, with no in-app purchases.
Is PuryFile free?
PuryFile is free to download, with in-app purchases available.
Do Crypto String or PuryFile have ads?
Neither Crypto String nor PuryFile shows ads.
Which is updated more often, Crypto String or PuryFile?
Crypto String ships an update every 4 months, and PuryFile every 3 weeks. Most recently, Crypto String was updated on September 19, 2026 and PuryFile on September 5, 2026.

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