Slapp Pro vs Srt.io
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Slapp Pro
This app allows professionals to quickly add context to photos by 'slapping' custom tags onto them. It integrates with your device's photo albums for easy organization and retrieval, streamlining documentation for various industries.
- Custom tags for photo context
- Seamless Photos album integration
- Create or select albums within the app
- Search photos by tags
- Fast interface for on-the-go use
- Import existing photos with tags
- Optimized for iPhone, iPad, and macOS
Read full descriptionHide full description
Slapp Pro isn’t just another camera app—it’s a must-have photo documentation tool for anyone working in construction, filmmaking, prototyping & design, real estate, and more. With Slapp Pro, you start by quickly and easily creating tags that give your photos context. The tags are then ‘slapped’ onto the photos you take or import with the app, ensuring critical info sticks with the image, no matter where it's shared or stored. Slapp Pro seamlessly integrates with your Photos albums across all of your Apple devices. Stay organized by creating or selecting existing Photos albums directly from within the Slapp Pro app. Tags are embedded into the photo metadata, allowing you to easily search for and retrieve images. Initially built for filmmakers who use photo documentation for set decorating, scene continuity, location scouting, and more, Slapp Pro has found enthusiastic support from many other industries with its fast and easy-to-use interface, convenient features, and low cost. Slapp Pro is rapidly becoming a critical tool in job site and progress documentation, used on construction projects and renovations, archeological digs, and research and development. Slapp Pro has greatly reduced the tedious need to mark up and annotate photos after the fact or to use physical slates when capturing images. It puts on-the-go photo documentation in your pocket. Simply set your tags and fire away. Key Features • Custom tags ‘slapped’ onto your photos. • Seamless integration with the Photos albums across your Apple devices. • Effortlessly create or switch ‘save to’ albums within the app. • Quickly find photos by searching for your tags. • Lightning-fast interface for on-the-go efficiency. • ‘Slapp’ tags on up to 20 existing photos at a time with the ‘Import’ feature. • Optimized versions for iPhone, iPad, and MacOS, so you can use it on all your devices. • Security: your tags and photos are saved exclusively on your device and iCloud Photos albums. • Switch between front and rear cameras, toggle on/off flash. Join others in your field who are using Slapp Pro to streamline their processes. Download Slapp Pro now and start making your project photos work smarter for you! Slapp Pro is now the top choice for pros in: • Set design • Scene continuity • Prop management • Location scouting • Costume and wardrobe • Casting • Job site documentation • Construction • Renovations • Building inspection • Real estate • Forensic photography • Artifact cataloging, archiving, and curation • Field research and lab experiments • Progress documentation • Retail display management • Site surveys • Event setup • Design prototyping • Horticulture • And more!
Srt.io
Read full descriptionHide full description
Srt.io is a video subtitle editing app. Features You can preview the video while editing subtitles, making it easy to edit subtitles for your vlog. After marking the exit and entry points, subtitles will be automatically added to the appropriate positions. For each subtitle, slide left and right ,you can also delete subtitles, mark subtitles and edit subtitles. Click on the subtitle video to locate the relevant position. You can search for subtitles, and if there are related subtitles, they will be located in the relevant location. Import Subtitle support .srt format Video support .mp4 .avi .mov .mkv .wmv .flv .m4v .3gp format Export You can export edited subtitles to .srt format Attention In order to avoid wasting storage space, this app only reads videos and does not store them in the app. It only stores subtitles. Therefore, when opening the last project, you need to select the video file again. You can choose to import from the file or album.
Screenshots
Verdict
The clearest difference is price: Srt.io at Free against Slapp Pro's $4.99. Srt.io also leads on update cadence (every 4 days vs every 3 months). Slapp Pro's advantage is iOS requirement (15.0 vs 17.4). On ads, in-app purchases and device support 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
Srt.io is free to download; Slapp Pro costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Slapp Pro ships an update every 3 months, Srt.io every 4 days. The most recent releases landed on October 1, 2026 and September 30, 2026 respectively.
| Parameter | Slapp Pro | Srt.io |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.4 |
| Further details — not scored | ||
| Size | 22 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | BalanceCG | 健 王 |
In-app purchases
Slapp Pro
No in-app purchases
Srt.io
No in-app purchases









