Comparison

NuTTS vs JianBox

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

Head to head
About

NuTTS

Features
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NuTTS 是一款面向中文长文本的文档转语音工具。你可以导入纯文本、Markdown、Word 和带文字层的 PDF 文档,提取正文后转换为可收听的音频,并在 App 内直接播放。 App 默认提供示例文本和已合成的示例音频,方便首次打开即可体验。实际语音合成功能支持阿里百炼 Qwen-TTS,API Key 保存在本机 Keychain,用户可在设置中配置服务地址、模型、音色和朗读指令,用于不同内容风格的朗读。 适合把文章、报告、学习资料转换成可收听音频,在通勤、运动或碎片时间使用。

About

JianBox

This app offers a comprehensive suite of tools for document management, file organization, and media processing, all while ensuring 100% local processing for maximum privacy. It scans, edits, converts, and secures your files without requiring any cloud uploads or account logins.

Highlights
  • 100% Offline processing
  • Document scanning and PDF editing
  • File unarchiving and compression
  • Private vault with encryption
  • Batch file renaming
  • Video and audio toolkit
Features
Read full description

JianBox = Document Scanner + PDF Editor + File Unarchiver + Private Vault, all in one. 100% Local Processing. Your files never leave your device. One app, twelve capabilities, zero cloud uploads, zero account login required. Scan documents, convert formats, edit PDFs, extract archives, free up storage, encrypt files—everything happens offline on your iPhone and iPad. Documents & Scanning 【Camera Scanner】 Snap photos or import from album. Auto edge detection, enhancement, multi-page scanning, export as PDF. Contracts, receipts, notes, IDs—turn them into high-quality PDFs instantly. 【Image to PDF】 Select multiple images and merge them into a single PDF. Custom page sizes (A4/Letter), watermark support. Fully offline. 【PDF Editor】 Reorder, rotate, delete, or extract PDF pages with simple drag-and-drop gestures. 【PDF Verifier】 Professional PDF inspection tool: page consistency check, blank page detection, metadata viewer, SHA-256 hash verification. Auto-generates verification reports for compliance scenarios. 【Signature Tool】 Place personal signatures or company stamps on PDFs. Drag-and-drop positioning, resize, rotate, batch signing across multiple files. Final step for contract approval and formal delivery. Files & Compression 【HEIC Converter】 Batch convert iPhone HEIC/HEIF photos to universal JPG format. Adjustable quality and dimensions, text or image watermark support. Solves the "Windows can't open iPhone photos" problem. 【Unarchiver】 Extract ZIP, RAR, 7Z, TAR, GZIP, BZIP2, XZ. Also create password-protected ZIP archives from multiple files. Open compressed attachments directly without a computer. 【Batch Renamer】 Rename files or photos with prefix, suffix, numbering, find-replace, timestamps. Preview before applying, undo support. 【Storage Cleaner】 Scan large files, duplicate photos, and app caches. Free up space with one tap. Media Processing 【Video & Audio Toolkit】 Convert formats, compress files, trim videos, extract audio tracks. All processing happens locally with zero data usage. Privacy & Security 【Private Vault】 Encrypt and store sensitive files and photos. Face ID / Touch ID locked. Bank-level encryption protects your data even if your phone is lost. Productivity Tools 【Clipboard History】 Automatically saves copied text. Pin important items, search history, categorize. Never lose a copied verification code or address again. 【QR Scanner & Generator】 Scan QR codes and barcodes, or generate custom QR codes. History auto-saved for easy reference. Key Features • 100% Offline — Files stay on your device, never uploaded • 12-in-1 Toolkit — Replace 12 separate apps, save storage • Ad-Free Experience — Clean, distraction-free interface • iPad Optimized — Full-screen support, split-view ready • Multi-Language — English, Chinese, Japanese, Korean Privacy & Security JianBox respects your privacy. All file processing occurs entirely on your device. We do not collect, upload, or store any of your file contents. The Private Vault uses device-level encryption. No account sign-up required. No usage tracking. No marketing notifications. Pro Version One-time purchase. iPhone + iPad universal. Lifetime access to all 12 tools, ad-free experience. No subscription, no recurring fees, no account binding. Future updates included forever. Questions or feedback? Contact us through the in-app support feature.

Screenshots

NuTTS3 screens
JianBox4 screens

Verdict

The call

The clearest difference is in-app purchases: NuTTS at none against JianBox's 1. NuTTS also leads on device support (3 vs 1). On price, update cadence, ads 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

Both are free to download. JianBox sells 1 one-off in-app purchase. NuTTS asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 9, 2026 and October 6, 2026 respectively.

Scorecard2 real differences · 7 level
NuTTS versus JianBox: the parameters behind the verdict, then further details
ParameterNuTTSJianBox
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free
DevicesiPhone, iPad, Mac — betteriPhone
Requires iOS17.016.4 — better
Further details — not scored
Size4 MB30 MB
Age rating4+4+
Developer逸 陈涛 刘

In-app purchases

None

NuTTS

No in-app purchases

1 purchases

JianBox

One-time1
  • JianBox Pro lifetime unlock$14.99

Questions

Is NuTTS free?
NuTTS is free to download, with no in-app purchases.
Is JianBox free?
JianBox is free to download, with in-app purchases available.
Do NuTTS or JianBox have ads?
Neither NuTTS nor JianBox shows ads.
Which is updated more often, NuTTS or JianBox?
NuTTS ships an update every 3 weeks, and JianBox every 3 weeks. Most recently, NuTTS was updated on October 9, 2026 and JianBox on October 6, 2026.

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