HotSteamer vs Post Watermark
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HotSteamer
Easily add realistic steam effects to your coffee, tea, and food photos. Enhance your social media content with visually appealing, warm imagery in just seconds. The app uses fluid simulation for realistic steam that can be adjusted and repositioned.
- Realistic steam simulation
- Apply to camera preview or library photos
- Adjust steam intensity
- Reposition and resize steam
- Record video with steam effects
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Add realistic steam to coffee, tea, and food photos effortlessly. Create warm, eye-catching content for Instagram and social media in seconds. ◆Composites realistic steam — powered by fluid simulation — onto your camera preview or any photo from your library in real time. ◆ Pick a photo from your library to use as the background and layer steam on top. ◆ Adjust steam intensity with the slider. ◆ Swipe to reposition steam, pinch to resize it. ◆ Record video using iOS screen recording. Before purchasing the paid version, please try the free Lite version on your device first.
Post Watermark
Easily add custom watermarks to multiple images and videos before reposting them to Instagram. The app saves your repost history for quick access. It is not affiliated with Instagram and users are responsible for respecting intellectual property rights.
- Add watermarks to multiple images
- Add watermarks to videos
- Easy reposting to Instagram
- Saves repost history
- Free trial available
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Simply repost multiple images / videos to Instagram! Pick your image or video and add watermark to it! Then repost super easily!! Also saves repost history for easy re-access! Cautions 1. This app is not affiliated with Instagram. 2. Any unauthorized action or repost of photo/video and/or violations of Intellectual property rights is the sole responsibility of the user. 3. Respect the rights of the Instagram users. Subscription terms - Free trial is included - Free trial can be only used once - Subscription can be cancelled in AppStore subscription settings. Included subscriptions - monthly subscription - annual subscription service use terms: https://ahndwon.notion.site/Terms-of-use-511146a86480410896748fc9fedb3378 [:mav: 1.15.6]
Screenshots
Verdict
The clearest difference is review sentiment: Post Watermark at 81% against HotSteamer's 0%. Post Watermark also leads on price (Free vs $4.99) and update cadence (monthly vs every 19 months). HotSteamer's advantage is in-app purchases (none vs 2) and ads (none vs shown). On 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
Post Watermark is free to download; HotSteamer costs $4.99 up front. Post Watermark sells 2 in-app purchases, starting at $5.99 per month. HotSteamer asks for nothing beyond the download.
HotSteamer ships an update every 19 months, Post Watermark monthly. The most recent releases landed on August 29, 2026 and October 19, 2026 respectively.
| Parameter | HotSteamer | Post Watermark |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | — | 4.5 (146 ratings) — better |
| Positive reviews | 0.0% of reviews | 80.7% of reviews — better |
| Number of ratings | — | 146 — better |
| Update frequency | Every 19 months | Monthly — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 14 — better |
| Further details — not scored | ||
| Size | 18 MB | 110 MB |
| Age rating | 4+ | 4+ |
| Developer | KOJI HARA | Dongwon Ahn |
Customer experience
HotSteamer
Post Watermark
In-app purchases
HotSteamer
No in-app purchases
Post Watermark
- Premium monthly subscription7 Days trial$5.991 Month
- Premium yearly subscription7 Days trial$49.991 Year
Questions
Is HotSteamer free?
Is Post Watermark free?
Do HotSteamer or Post Watermark have ads?
Which is updated more often, HotSteamer or Post Watermark?
Other comparisons
