SnapInbox vs FlowDoc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SnapInbox
This app automatically collects every screenshot into a dedicated inbox for easy review, keeping, or deletion. It prioritizes privacy with on-device processing and limited photo access. An optional Pro version offers extended storage windows.
- Screenshot-only inbox
- Review, keep, or delete screenshots
- Home Screen widget
- On-device processing
- Limited Photos Access support
- Extended inbox window (Pro)
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SnapInbox helps you manage screenshots the way they were meant to be handled — as a temporary inbox. Every screenshot you take is automatically collected into a clean, focused list, so you can review, keep, or delete them when you’re ready. KEY FEATURES • Screenshot-only inbox • Review, keep, or delete with confirmation • Home Screen widget showing pending screenshots • On-device processing. No upload. No tracking. • Works with Limited Photos Access DESIGNED FOR CLARITY Screenshots are often temporary. SnapInbox treats them that way. No clutter, no distractions — just a simple inbox for quick decisions. SNAPINBOX PRO Unlock a longer inbox window to review screenshots beyond 7 days. • 30 / 90-day inbox window • One-time purchase • Everything stays on your device PRIVACY FIRST SnapInbox does not collect or upload your photos. All processing happens locally on your device. If you ever fall behind on reviewing screenshots, SnapInbox is here to help you catch up — calmly and privately.
FlowDoc
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You must have experienced this before: When transferring files between WeChat, email, photo albums, and your computer, important documents get scattered everywhere. One file ends up having several different versions, and document management becomes a complete mess. That's why I designed 「FlowDoc」 for you. It's not a traditional file manager, but an inbox for your documents, specially designed to solve your file management problems. 【Document Management, No Longer Complicated】 Files, images, scanned documents, and notes all go into the inbox Directly share from third‑party apps like WeChat, Photo Album, QQ, etc., into FlowDoc No need to worry about how to organize files from the very beginning 【Lightweight Yet Powerful Organization】 Support for project‑based categorization, tagging, and bookmarking frequently used documents Swipe‑based quick sorting and archiving Flat layout for your document library – find everything at a glance 【Powerful Full‑Text Search】 Search inside images, spreadsheets, and documents – no longer limited to just the "title" 【Quick Sharing Features】 Multi‑select files and pack them into a ZIP for sharing with one tap Encrypt and share files over the network for temporary cross‑device viewing 【Multiple Data Backup Methods to Keep Your Documents Safe】 Trash bin support – recover accidentally deleted files Local export and full data restore Save version history iCloud cross‑device sync Cloud backups via Nutstore, SMB, OneDrive, and more # Who Is It For People who frequently work with contracts, invoices, reimbursement materials Office workers who need to collect PDFs, images, screenshots, and scans Anyone who wants to organize scattered information People who want to keep important personal documents safe # In‑App Purchase Description The following two PRO membership plans are available: 1. Subscription (Monthly / Yearly) The subscription will automatically renew within 24 hours before the current period ends. To cancel, manually turn off auto‑renewal in your Apple ID settings at least 24 hours before the current period ends. 2. Lifetime Membership (Permanent) Pay once, valid forever. Become a PRO member to unlock all premium features. Note: Prices may vary by region. Please refer to the in‑app purchase interface for exact pricing. Let me know if you'd like any adjustments to the tone or terminology. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://nexuslabs.cn/privacy_flowdoc.html
Screenshots
Verdict
SnapInbox and FlowDoc are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. SnapInbox sells 1 one-off in-app purchase and FlowDoc sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
SnapInbox ships an update every 9 days, FlowDoc every 10 days. The most recent releases landed on September 14, 2026 and September 10, 2026 respectively.
| Parameter | SnapInbox | FlowDoc |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 9 days — better | Every 10 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 16 — better |
| Further details — not scored | ||
| Size | 2 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | 小旋 王 | 启东 吴 |
In-app purchases
SnapInbox
- SnapInbox Pro$1.99
FlowDoc
- FlowDoc Monthly Subscription$0.991 Month
- FlowDoc Annual Subscription$7.991 Year
- FlowDoc Lifetime Membership$9.99









