Comparison

ClauseCheck vs NasScale

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

Head to head
About

ClauseCheck

Features
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ClauseCheck β€” Compare Contracts Side by Side ClauseCheck lets you compare two contract documents and instantly see every difference, paragraph by paragraph, character by character β€” all on your device, completely offline. HOW IT WORKS 1. Pick two PDFs or two Word (.docx) files 2. ClauseCheck extracts and aligns the text 3. Review changes in a clean side-by-side view 4. Export a highlighted PDF report and share it KEY FEATURES β€’ Paragraph-level diff with inline character highlighting See exactly which words changed β€” not just which paragraphs differ. Deletions are shown in red strikethrough, additions in green. β€’ Two view modes "All" shows the full document with changes marked. "Changes Only" hides unchanged paragraphs so you focus on what matters. β€’ Scanned PDF support (NEW in 1.1) No text layer? No problem. Built-in OCR extracts text from scanned PDFs using Apple's Vision framework β€” entirely on device. β€’ Word document support Compare .docx files with clean paragraph-level accuracy. β€’ PDF export with highlights Generate a professional comparison report with red/green highlighting that prints correctly. Share it directly via the system share sheet. β€’ History Every comparison is saved automatically. Reopen, share, or delete past reports at any time. β€’ Face ID / Touch ID lock Keep your contract comparisons private with biometric protection. β€’ Works with PDF and Word (.docx) Compare PDF vs PDF, or Word vs Word. Both formats supported. PRIVACY FIRST All processing happens locally on your device. No documents are ever uploaded to a server. No account required. No internet needed. From the maker of JianBox, VoxSafe & CalMerge.

About

NasScale

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NasScale is an iPhone client for people who own their own NAS. With built-in Tailscale, you can reach Synology NAS devices on your Tailnet without installing a separate Tailscale appβ€”manage files, transfers and downloads, play media remotely, and work with common packages and self-hosted services. What you can do: β€’ Connect to Synology DSM and view system, storage, and package status β€’ Browse and manage files via File Station, SMB, SFTP, or FTP β€’ Upload, download, and preview files, and manage transfer tasks β€’ Play media remotely (AVPlayer first, MPV when needed) β€’ Optionally connect Immich, Jellyfin, and similar self-hosted services β€’ Optionally manage qBittorrent, Aria2, Transmission, and similar download clients

Screenshots

ClauseCheck4 screens
NasScale4 screens

Verdict

The call

ClauseCheck and NasScale are too close to call on the numbers: across 6 compared parameters β€” price, update cadence, ads and in-app purchases among them β€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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

UpkeepUpdate frequency

ClauseCheck ships an update every 6 days, NasScale every 8 days. The most recent releases landed on September 18, 2026 and September 23, 2026 respectively.

ScorecardNo meaningful differences
ClauseCheck versus NasScale: the parameters behind the verdict, then further details
ParameterClauseCheckNasScale
PriceFreeFree
Update frequencyEvery 6 days β€” betterEvery 8 days
AdsNoNo
In-app purchasesNoNo
DevicesiPhoneiPhone
Requires iOS17.017.0
Further details β€” not scored
Size31 MB68 MB
Age rating4+4+
DeveloperζΆ› 刘贺 ι»„

In-app purchases

None

ClauseCheck

No in-app purchases

None

NasScale

No in-app purchases

Questions

Is ClauseCheck free?
ClauseCheck is free to download, with no in-app purchases.
Is NasScale free?
NasScale is free to download, with no in-app purchases.
Do ClauseCheck or NasScale have ads?
Neither ClauseCheck nor NasScale shows ads.
Which is updated more often, ClauseCheck or NasScale?
ClauseCheck ships an update every 6 days, and NasScale every 8 days. Most recently, ClauseCheck was updated on September 18, 2026 and NasScale on September 23, 2026.

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