Comparison

ProdigiSign vs SPAI Vault

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

Head to head
About

ProdigiSign

Features
Read full description

Prodigisign App is designed to give you seamless experience to apply for Digital Signature Certificates, eKYC and eSign. We are providing the following features: 1. Video Recording for eKYC & DSC 2. Track DSC Status

About

SPAI Vault

Securely store and manage important personal documents like passports and IDs on your device. Scan documents quickly, set expiration reminders, and keep everything organized in one private place.

Highlights
  • Secure document vault
  • Scan documents in seconds
  • Expiration date reminders
  • Organize all documents in one place
  • Create family profiles
  • Fast document search
Features
Read full description

SPAI Vault is the simple, secure way to store and manage your most important documents right on your device. Keep passports, IDs, and essential paperwork organized, protected, and always within reach. Scan documents in seconds, set reminders for expiration dates, and access everything whenever you need it. Private by design. Your documents stay secure and under your control. Key Features Secure Document Vault Store passports, IDs, visas, insurance cards, and more in one private place. Scan in Seconds Capture documents using your camera and save them instantly. Expiration Reminders Get notified before important documents expire. All in One Place Keep everything organized and easy to find when you need it. For You and Your Family Create separate profiles to manage documents for each family member. Fast Search Quickly find any document, anytime. Built for Privacy Your documents belong to you. SPAI Vault is designed to keep your information secure and private - so you can store what matters with confidence. No complicated setup. Just scan, store, and stay organized.

Screenshots

ProdigiSign3 screens
SPAI Vault4 screens

Verdict

The call

The clearest difference is in-app purchases: ProdigiSign at none against SPAI Vault's 3. ProdigiSign also leads on iOS requirement (12.0 vs 17.6). SPAI Vault's advantage is update cadence (every 6 days vs every 3 months). On price, 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

Both are free to download. SPAI Vault sells 3 one-off in-app purchases. ProdigiSign asks for nothing beyond the download.

UpkeepUpdate frequency

ProdigiSign ships an update every 3 months, SPAI Vault every 6 days. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
ProdigiSign versus SPAI Vault: the parameters behind the verdict, then further details
ParameterProdigiSignSPAI Vault
PriceFreeFree
Rating—5.0 (4 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—4 — better
Update frequencyEvery 3 monthsEvery 6 days — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPodiPhone, iPad
Requires iOS12.0 — better17.6
Further details — not scored
Size271 MB6 MB
Age rating4+17+
DeveloperProdigisignSindhu Shekar Chandrashekar

In-app purchases

None

ProdigiSign

No in-app purchases

3 purchases

SPAI Vault

One-time3
  • Buy Us a Coffee$1.99
  • Support Development$4.99
  • Keep SPAI Vault Growing$9.99

Questions

Is ProdigiSign free?
ProdigiSign is free to download, with no in-app purchases.
Is SPAI Vault free?
SPAI Vault is free to download, with in-app purchases available.
Do ProdigiSign or SPAI Vault have ads?
Neither ProdigiSign nor SPAI Vault shows ads.
Which is updated more often, ProdigiSign or SPAI Vault?
ProdigiSign ships an update every 3 months, and SPAI Vault every 6 days. Most recently, ProdigiSign was updated on November 4, 2026 and SPAI Vault on October 31, 2026.

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