Comparison

Sandbook vs PlanScale

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

Head to head
About

Sandbook

This app converts text into natural-sounding speech using an on-device model. Read ePub, PDF, and TXT files, type or paste text, or even read webpages aloud. Export audio files for offline listening with complete privacy.

Highlights
  • On-device text-to-speech
  • Reads ePub, PDF, TXT files
  • Type or paste text
  • Read webpages aloud
  • Export audio files
  • Privacy protection
Features
Read full description

Sandbook reads books, documents and articles aloud in natural voices, entirely on your iPhone or iPad. Nothing you read is uploaded, and there is no account, no subscription and no ads. NATURAL VOICES, OFFLINE - 41 voices in American and British English, Spanish, French, Italian, Brazilian Portuguese and Hindi - A book in Spanish, French, Italian, Portuguese or Hindi opens with a voice in its language - Powered by the open-source Kokoro model, running locally; no internet connection needed - Follow along as each spoken word is highlighted - Speed from 0.5x to 2.5x; each book remembers its voice and speed READ ALMOST ANYTHING - Import EPUB, PDF, Word (.docx), TXT, RTF, Markdown and HTML files - Add a web page by pasting a link, or share it from Safari - Scan printed pages with the camera, or pick a photo, and listen - Send files or selected text from any app with the share sheet, or type and paste your own - Open a document straight from the Files app with Open With, or set Sandbook as its default app LISTEN THE WAY YOU READ - Opens at the paragraph where you stopped - Keep listening when you leave the book, with a mini player at the bottom of the screen - Bookmarks, and search inside a book - Sleep timer: stop after a set time or at the end of the chapter - Passages you've already heard play back instantly - In a PDF, the sentence being read is highlighted on the page; tap any sentence to read from there - Reading options: light, sepia and dark themes, fonts, text size and line spacing - Appearance: light, dark or matching your system - See each book's length, listening time and the time left in the chapter - Prepare a chapter's audio ahead of time, then keep listening with the screen locked; prepared chapters replay instantly - Continue Reading with Siri or the Shortcuts app - Export any text as an M4A audio file ACCESSIBILITY - VoiceOver, Voice Control, Switch Control, larger text and contrast improvements - The app is available in English, Spanish, French, Italian, Portuguese (Brazil) and Hindi PRIVATE BY DESIGN Your books, text and voices stay on your device. Sandbook never sends what you read to a server. GOOD TO KNOW - Voices require iPhone 12 or later, or an iPad with an A14 or M1 chip or later. Sandbook also needs iOS 18.2 or later. - Real-time reading pauses when the screen locks. To listen with the screen off, prepare the chapter first. Questions or ideas: support@sandbook.app

About

PlanScale

Read full description

PlanScale is the ultimate paperless field companion for contractors, builders, and project managers. Leave the clipboards, blueprints, and tape measures behind. PlanScale digitizes your entire site documentation workflow directly from your iPhone or iPad. Key Features: • 100% Paperless Workflow: Digitize your job site. Say goodbye to lost notes and smudged blueprints. • Smart Photo Capture: Snap and organize site photos instantly without manually sorting them later. • AR Measurements: Measure spaces and objects on the fly using built-in Augmented Reality—no tape measure needed. • Floor Plan Pinning: Upload your digital blueprints and pin your photos/notes exactly where you took them for perfect context. • Fast Cost Estimates: Generate immediate, accurate cost estimates right from the job site. • Professional Reports: Export clean, branded PDF and CSV reports to share with clients and your team in seconds without ever touching a printer. Build faster, track smarter, and document everything effortlessly with PlanScale. License Agreement (EULA) https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Sandbook4 screens
PlanScale4 screens

Verdict

The call

The clearest difference is update cadence: PlanScale at daily against Sandbook's weekly. PlanScale also leads on iOS requirement (15.1 vs 18.2). On price, ads, in-app purchases 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

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

UpkeepUpdate frequency

Sandbook ships an update weekly, PlanScale daily. The most recent releases landed on October 21, 2026 and October 3, 2026 respectively.

Scorecard2 real differences · 8 level
Sandbook versus PlanScale: the parameters behind the verdict, then further details
ParameterSandbookPlanScale
PriceFreeFree
Rating4.6 (107 ratings) — better—
Positive reviews77.8% of reviews—
Number of ratings107 — better—
Update frequencyWeeklyDaily — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.215.1 — better
Further details — not scored
Size271 MB63 MB
Age rating4+4+
DeveloperSmashMelon LLCAries Paul Zeta

In-app purchases

None

Sandbook

No in-app purchases

None

PlanScale

No in-app purchases

Questions

Is Sandbook free?
Sandbook is free to download, with no in-app purchases.
Is PlanScale free?
PlanScale is free to download, with no in-app purchases.
Do Sandbook or PlanScale have ads?
Neither Sandbook nor PlanScale shows ads.
Which is updated more often, Sandbook or PlanScale?
Sandbook ships an update weekly, and PlanScale daily. Most recently, Sandbook was updated on October 21, 2026 and PlanScale on October 3, 2026.

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