Comparison

bunkoOCR vs OnVault

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

Head to head
About

bunkoOCR

This app uses deep learning for on-device optical character recognition. It excels at recognizing horizontal and vertical text, particularly in Japanese and English, with a focus on pocket edition books.

Highlights
  • On-device deep learning OCR
  • Recognizes horizontal and vertical text
  • Optimized for Japanese and English
  • Works with pocket edition books
  • No data sent externally
Features
Read full description

This is an Optical Character Recognition(OCR) software with deeplearing model. All computation run on the device, no data is sent outside. This app can recognize horizontal and vertical text with ruby in facing page on Bunko(pocket edition) book. This app has best performance with Japanese and English text.

About

OnVault

Features
Read full description

OnVault is an offline OCR app for people who want to organize and search documents entirely on their device. You can capture invoices, receipts, contracts, business cards, application forms, ID documents, and more with your iPhone, then review, store, and search them with confidence. OCR and search are completed entirely on-device, without sending documents to the cloud Documents are easy to find not only by file name, but also by their contents Face ID and re-authentication settings make it easier to handle confidential documents appropriately Documents can be exported to Files only when needed, making it easy to fit into existing workflows Key Features Document scanning and image import Corner correction, rotation, page review, and scan enhancement review Full-text search of OCR text Filtered search by date range, category, and more Save to Files and configure post-save original file handling rules App Lock, re-authentication, and original image retention settings Audit log, deletion history, and audit report export Ideal For Supporting storage of KYC and identity verification documents Organizing invoices, receipts, and contracts Situations where you want to search business cards or application forms later Document workflows in environments where cloud use is restricted Privacy Policy: https://onvault.mjo.app/en/privacy Terms of Use: https://onvault.mjo.app/en/terms

Screenshots

bunkoOCR4 screens
OnVault4 screens

Verdict

The call

The clearest difference is update cadence: bunkoOCR at every 6 days against OnVault's fortnightly. OnVault's advantage is iOS requirement (15.5 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. bunkoOCR sells 3 one-off in-app purchases and OnVault sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

bunkoOCR ships an update every 6 days, OnVault fortnightly. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

Scorecard2 real differences ยท 6 level
bunkoOCR versus OnVault: the parameters behind the verdict, then further details
ParameterbunkoOCROnVault
PriceFreeFree
Positive reviews77.8% of reviewsโ€”
Update frequencyEvery 6 days โ€” betterFortnightly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesโ€”
DevicesiPhone, iPad, Mac โ€” betteriPhone, iPod
Requires iOS18.015.5 โ€” better
Further details โ€” not scored
Size818 MB68 MB
Age rating4+4+
Developerichiro NAKAHARAAKIFUMI YOSHIMURA

In-app purchases

3 purchases

bunkoOCR

One-time3
  • Orange juice$3.99
  • Dinner$17.99
  • A day of GPU rent$99.99
3 purchases

OnVault

Subscriptions2
  • Monthly Premium7 Days trial$3.991 Month
  • Yearly Premium7 Days trial$36.991 Year
One-time1
  • Lifetime License$79.99

Questions

Is bunkoOCR free?
bunkoOCR is free to download, with in-app purchases available.
Is OnVault free?
OnVault is free to download, with in-app purchases available.
Do bunkoOCR or OnVault have ads?
Neither bunkoOCR nor OnVault shows ads.
Which is updated more often, bunkoOCR or OnVault?
bunkoOCR ships an update every 6 days, and OnVault fortnightly. Most recently, bunkoOCR was updated on October 14, 2026 and OnVault on October 7, 2026.

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