Watermark Max vs DuomiFlow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Watermark Max
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Protect your content with Watermark Max — the fast, private way to add clean, customizable watermarks to videos and photos. Why creators choose Watermark Max: Fast and simple: add text or image logos in seconds Total control: position, size, opacity, fonts, colors, weight Batch photos: watermark multiple images at once High quality: crisp exports, no compression surprises Private by design: all processing is on your device iPhone + iPad optimized Features: Text watermarks: custom fonts, sizes, colors, weights Image watermarks: add your logo, control scale and placement Precise positioning: top/bottom, left/right corners Instant preview before saving Save watermarked media to Photos Optional Sign in with Apple to enable saving Privacy first: We never upload your videos or photos No tracking. No ads. On‑device processing only Ideal for creators, small businesses, sellers, photographers, and anyone who wants clean, consistent branding on every post. Get Watermark Max and protect your work today.
DuomiFlow
Manually record prices and monitor trends for informed decision-making. This privacy-focused tool offers offline data logging for various expenses and custom data points, providing visual insights without cloud reliance.
- Manual price tracking
- Visual trend analysis
- Custom data recording
- 100% offline and private
- No ads or cloud sync
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DuomiFlow – Offline Price & Data Logger Stop guessing. Start tracking. DuomiFlow is a lightweight, privacy-first tool for manually recording prices, monitoring trends, and making data-driven decisions. No cloud. No ads. Just your data, safely on your device. Why DuomiFlow? We interact with prices daily—groceries, subscriptions, procurement, or assets. But without historical records, we rely on memory. DuomiFlow turns isolated numbers into long-term insights. Key Features: • Manual Price Tracking: Log product prices, recurring expenses, and procurement costs with ease. • Visual Trend Analysis: Instantly see historical highs/lows, trend directions (up/down/sideways), and abnormal movements. • Beyond Prices: Record market indicators, behavioral metrics, or any custom data points. • 100% Offline & Private: No mandatory registration. No ads. No personal data collection. Your records stay strictly on your device. Set Realistic Expectations: DuomiFlow is NOT an automated market data platform or a trading system. It is a dedicated, manual recording engine designed to help you build personal trend awareness and make rational decisions based on real, historical data. Track prices. Understand change. Decide with clarity. Terms of Service: https://www.duomi.vip/duomi-price-terms-of-service/ Privacy Policy: https://www.duomi.vip/duomi-price-privacy-policy/
Screenshots
Verdict
The clearest difference is in-app purchases: Watermark Max at none against DuomiFlow's 3. On price, ads, 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. DuomiFlow sells 3 in-app purchases, starting at $2.99 per 3 months. Watermark Max asks for nothing beyond the download.
| Parameter | Watermark Max | DuomiFlow |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.5 (2 ratings) — better |
| Positive reviews | — | 90.9% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | — | Weekly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad | iPhone, iPad, Mac — better |
| Requires iOS | 17.0 — better | 17.5 |
| Further details — not scored | ||
| Size | 23 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | VAI Holding Inc | 栋君 金 |
In-app purchases
Watermark Max
No in-app purchases
DuomiFlow
- Quarterly Membership$2.993 Months
- Annual Subscription$4.991 Year
- Lifetime Pro$14.99









