Lenser vs Stop Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Lenser
A comprehensive database for cinematic lenses, offering detailed specifications and search capabilities for film industry professionals. Access information on over 2100 lenses from 80+ manufacturers, with offline access to core data and comparison tools.
- Searchable database of 2100+ cinematic lenses
- Detailed lens specifications
- Offline core data access
- Compare multiple lenses
- Lens testing tool
- Imperial and Metric unit search
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LENSER - THE ENCYCLOPEDIA LENSICA The most comprehensive database of cinematic lenses for film industry professionals. Searchable database of 2100+ cinematic lenses from 80+ different manufacturers including rehoused, rebranded and historical lenses. The ultimate quick-look tool for DoPs, Camera & Steady Cam Operators, Focus Pullers, AC's, Remote Head Technicians, VFX Specialists, Post Production Crew, Drone & ScubaCam Operators. Specifications include*: Focal Length, T-Stop, Close Focus, Weight, Length, Horizontal and Vertical Angle of View, Anamorphic Squeeze, Front Diameter, Number of Elements, Gearing, Number of Iris Blades, Magnification Ratio, Filter Size, Image Circle, Entrance Pupil, Lens Mount, Lens Data System Info. Links to manufacturers' specifications including Depth of Field tables (this feature requires internet connection). *not all data available for all lenses FEATURES: - SEARCH the database by Manufacturer, Keyword, Focal Length, T-Stop, Close Focus, Weight, Length, Horizontal and Vertical Angle of View, Anamorphic Squeeze - Search in Imperial or Metric units - Offline database - no internet connection required for a set of core data (Depth of Field tables are provided as online links - internet connection required) - Favorites (requires iCloud sign-in for persistent backup) - One glance metric and imperial units - Drill down to lens sets or individual lenses - Compare: compare as many lenses as you need with a few swipes and taps - Copy: copy lens, lens set data or search results to share - Lightning fast search on iPhone 5s and above - Minimalistic design to respect the finite storage space of your device - Lenser Test Board tool to assist you during lens testing Some data can only be found in Lenser exclusively as a result of research done by the developer. DISCLAIMER Although care has been taken to ensure the accuracy, completeness and reliability of the information provided, the developers of LENSER (DEVELOPERS) assume no responsibility therefore. The user of the information agrees that the information is subject to change without notice. DEVELOPERS assume no responsibility for the consequences of use of such information, nor for any infringement of third party intellectual property rights which may result from its use. IN NO EVENT SHALL DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT, SPECIAL OR INCIDENTAL DAMAGE RESULTING FROM, ARISING OUT OF OR IN CONNECTION WITH THE USE OF THE INFORMATION. DEVELOPERS are in no way affiliated with the manufacturers of the products listed in this app. PRIVACY Internet access is required to access lens pictures that are hosted on https://www.lenserapp.com. This access can be restricted in your phone's settings. Internet traffic is routed via lenserapp.com for statistical purposes (statcounter.com). Compressed files containing manufacturer's specs are hosted in an uncompressed format on a third party server (dropbox.com) for accessibility. This app does not collect personal data or transfers personal data off of your device. Comments, suggestions or want to contribute? Contact us at info@lenserapp.com We appreciate your feedback and/or feature requests. We are constantly improving Lenser and our database. Database wrapped on 13-02 2024 Pictures are added continuously.
Stop Calculator
This tool helps filmmakers quickly compare exposure settings between two cameras. It calculates precise stop differences in real-time, ensuring your shots are perfectly exposed and matched across different setups. Simplify your workflow and eliminate guesswork.
- Compare ISO, t-stop, shutter angle, and FPS
- Real-time stop difference calculation
- Intuitive interface for filmmakers
- Exposure feedback for underexposed/overexposed shots
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Easily compare exposure settings between two cameras and get instant feedback on exposure differences. Whether you’re working with multiple cameras or trying to match your settings across different setups, Stop Calc simplifies the process by calculating precise stop differences in exposure. No more guessing—quickly find out if your settings are underexposed or overexposed and make informed decisions to get perfect shots every time. Key features: - Compare ISO, t-stop, shutter angle, and FPS between two cameras - Get accurate stop differences in real-time - Simple, intuitive interface designed for filmmakers Perfect for cinematographers, videographers, and anyone who needs precise exposure matching across different cameras.
Screenshots
Verdict
The clearest difference is review sentiment: Stop Calculator at 100% against Lenser's 0%. Stop Calculator also leads on price ($0.99 vs $26.99) and rating (5.0 vs 4.0). On ads, in-app purchases, monetization model 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
Lenser costs $26.99 and Stop Calculator $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Stop Calculator holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews point the same way: 0% of Lenser's written reviews are positive against 100% of Stop Calculator's.
Lenser ships an update every 3 months, Stop Calculator every 2 days. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.
| Parameter | Lenser | Stop Calculator |
|---|---|---|
| Price | $26.99 | $0.99 — better |
| Rating | 4.0 (1 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 1 | 4 — better |
| Update frequency | Every 3 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 34 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Istvan Djuroska | eric Hernandez |
Customer experience
Lenser
Stop Calculator
In-app purchases
Lenser
No in-app purchases
Stop Calculator
No in-app purchases









