Overlay Image vs SipTracker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Overlay Image
Easily layer one image on top of another to create custom visuals. Adjust size, position, and even paper dimensions. Export your creations as high-quality images or PDFs.
- Layer images
- Adjust image size and position
- Change paper size and position
- Export as IMAGE
- Export as PDF
- Share creations
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This app is let you to put one image in front one image. You can also change the size of the paper, the position of the front image, size. You can export to the IMAGE or PDF. How to use? 1. Click the first button (The grey one the rectangle with the shadows on it) to add a background image, select a way to add on image. 2. Click the second button (The blue one the circle with the shadows on it) to add a front image, select one image from your library. 3. Click for the "Settings" for change the colour, size, position of the front and background image. 4. Click the "Paper Size" Button to set the paper size and position of the paper. 5. You can click the "Preview" Button to Preview the image you have done. 6. Click "Save Edited" To save your image. 7. You can give your PDF file a name, to click the text flied in the center of screen. 8. Click any one button at top right corner to share. The first one is image, second one is PDF. 9. Select a way to share. 10. If you want to continue to edit, click the "Continue Edit" Button. 11. Make a new one, to click the "Make Another!" At the center of the screen.
SipTracker
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Most hydration apps just remind you to drink water. Hydrate actually coaches you. Track every sip, build an unbreakable streak, and get context-aware guidance that adapts to your day — not a generic alarm that fires at noon regardless of how your morning went. TRACK EVERY SIP Log 250ml, 500ml, or 750ml in one tap. Watch your circular progress ring fill up in real time. Hit your goal, keep the streak alive. BUILD YOUR STREAK Consistency is everything. Hydrate tracks your daily streak and longest record, so you always know what's at stake. Break it — your coach tells you exactly how to recover. HYDRATE PREMIUM — YOUR PERSONAL COACH Smart Hydration Coach Forget dumb reminders. Your coach reads the time, your pace, and your history to send messages that actually matter: "You're behind your usual pace. Catch up now." "Drink 300ml in the next 20 min to stay on track." "2+ hours without water. That's not optimal. Drink." Dynamic Daily Goal Enter your weight and your goal adjusts itself — factoring in your body and your recent consistency. The goal grows with you. Behavioral Insights "Avg: 1.8L/day" "Best day: Tuesday" "You drink 35% less on weekends" No charts. No dashboards. Just the two lines you actually need. Smart Notifications Free plan gets fixed-time reminders. Premium gets inactivity alerts (no water in 2+ hours) and goal-risk warnings when your evening is running short. Streak Intelligence Track your current streak and all-time best. Break it? Your coach catches it immediately and tells you how to start over. Personality Modes Pick the voice that keeps you going: Chill — gentle nudges, zero pressure Coach — direct, no excuses, results-focused Funny — sarcasm, jokes, and hydration Dark Mode Looks great in every light. PRICING Free: goal tracking, streaks, fixed reminders Premium Monthly: €1.99/month — 3 days free, cancel anytime Premium Yearly: €14.99/year — best value, just €1.25/month Hydrate is built for people who want real habits, not another notification to swipe away. Terms of Use: https://rafaelpadovani.github.io/siptracker/siptracker-legal/terms-of-service.html
Screenshots
Verdict
Overlay Image and SipTracker 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. Overlay Image sells 7 one-off in-app purchases and SipTracker sells 2 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.
| Parameter | Overlay Image | SipTracker |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Fortnightly | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 16.4 | 15.1 — better |
| Further details — not scored | ||
| Size | 46 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | 高阳 王 | Rafael Rodrigues Padovani |
In-app purchases
Overlay Image
- Add 5 Pages$0.49
- Add 20 Pages$1.99
- Add 50 Pages$5.99
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- Product Booster$5.99
- Add 100 Pages$9.99
- Unlimited Pages$17.99
- One-time Charge$19.99
SipTracker
- Siptracker Premium Weekly3 Days trial$1.997 Days
- Siptracker Premium Annual$14.991 Year









