Comparison

Secure Document Vault vs Convert All

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

Head to head
About

Secure Document Vault

Features
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Complete Document Control - 100% Offline & Private Take full control of your documents with our powerful scanning and management app that keeps everything completely offline. No cloud dependencies, no data collection, no privacy concerns - just pure, local document management the way it should be. Key Features: Advanced document scanning with professional-quality results Import documents from multiple sources Intelligent organization and storage system Powerful search and viewing capabilities Secure local backup and restore functionality Zero cloud connectivity - your data stays on your device No tracking, analytics, or data collection whatsoever Why Choose Offline-First? In an age of constant connectivity and data harvesting, our app returns control to you. Your sensitive documents, personal files, and important papers remain exactly where they belong - securely stored on your device, accessible only to you. Perfect for professionals, students, and privacy-conscious users who need reliable document management without compromising their data security. Whether you're organizing receipts, storing contracts, or managing personal documents, experience the peace of mind that comes with true offline functionality. Your documents. Your device. Your privacy. Guaranteed.

About

Convert All

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Convert All does one thing well: unit conversion, completely offline. Pick a category, type a number, and see every result at once — no switching back and forth between "from" and "to". CATEGORIES • Length — mm, cm, m, km, inch, foot, yard, mile • Weight — mg, g, kg, ton, ounce, pound, stone • Temperature — Celsius, Fahrenheit, Kelvin • Area — m², km², ft², yd², acre, hectare • Volume — mL, L, m³, tsp, tbsp, cup, fl oz, pint, gallon • Speed — m/s, km/h, mph, knot, ft/s WHY THIS ONE • 100% offline — works on a plane, in a basement, anywhere • No ads, ever • No subscription — pay once, keep it forever • No account, no sign-up, no tracking • Full precision — results are not rounded down to look pretty Built for people who just want an answer and want it now.

Screenshots

Secure Document Vault4 screens
Convert All4 screens

Verdict

The call

The clearest difference is iOS requirement: Convert All at 16.6 against Secure Document Vault's 18.5. 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.

Scorecard1 real difference · 4 level
Secure Document Vault versus Convert All: the parameters behind the verdict, then further details
ParameterSecure Document VaultConvert All
PriceFreeFree
AdsNoNo
In-app purchasesNoNo
DevicesiPhoneiPhone
Requires iOS18.516.6 — better
Further details — not scored
Size3 MB0 MB
Age rating4+4+
DeveloperJohn LarsonFENGTAO YANG

In-app purchases

None

Secure Document Vault

No in-app purchases

None

Convert All

No in-app purchases

Questions

Is Secure Document Vault free?
Secure Document Vault is free to download, with no in-app purchases.
Is Convert All free?
Convert All is free to download, with no in-app purchases.
Do Secure Document Vault or Convert All have ads?
Neither Secure Document Vault nor Convert All shows ads.

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