Simple Memo vs OnVault
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Simple Memo
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Simple Memo - Checklist is a simple memo app that lets you quickly use both memos and checklists. Write down ideas as they come to you, or manage to-dos and shopping with checklists. With no complicated settings or operations, you can start writing whenever you need to. Use it as a memo pad, to-do list, or shopping list for everything from quick everyday notes to organizing your tasks. 【Main Features】 ・Quickly switch between memos and checklists ・Manage to-dos and shopping with checklists ・Swipe left or right to move between pages ・Create up to 10 pages ・Reorder and delete items ・Rename pages freely
OnVault
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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
Verdict
The clearest difference is ads: OnVault at none against Simple Memo's shown. OnVault also leads on update cadence (fortnightly vs every 2 months). On price, in-app purchases, device support and iOS requirement 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
Both are free to download. Simple Memo sells 1 one-off in-app purchase 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.
Simple Memo ships an update every 2 months, OnVault fortnightly. The most recent releases landed on October 16, 2026 and October 31, 2026 respectively.
| Parameter | Simple Memo | OnVault |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Fortnightly — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.0 | 15.5 — better |
| Further details — not scored | ||
| Size | 4 MB | 68 MB |
| Age rating | 4+ | 4+ |
| Developer | Sota Yamamoto | AKIFUMI YOSHIMURA |
In-app purchases
Simple Memo
- Remove Ads$2.49
OnVault
- Monthly Premium7 Days trial$3.991 Month
- Yearly Premium7 Days trial$36.991 Year
- Lifetime License$79.99









