Long Exposure Calculator vs Snap & Release
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Long Exposure Calculator
Calculate precise exposure times for long-exposure photography with Neutral Density filters. Features a countdown timer for exposures over 10 seconds and supports up to 24 stops of ND filtration.
- ND filter exposure calculation
- Countdown timer
- Supports up to 24-stop ND filters
- Simple to use
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Long Exposure Calculator is a utility that helps you determine the correct exposure time/shutter speed when using Neutral Density filters. Features: - Very simple to use - Includes a countdown timer if the exposure time is 10 seconds or longer. - Supports up to 24-stops of ND filter iPhone, iPad, and iPod touch compatible.
Snap & Release
Easily create, manage, and share legally binding model and property release forms. Capture signatures, add photos, and select from various templates. Sync across devices and export as PDFs.
- Record model and property release forms
- Capture digital signatures
- Add model photos and ID
- Utilize various release templates
- Sync releases across devices
- Export releases as PDFs
- Print releases directly
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Snap & Release is the easy way to record, manage, and print your model release and property release forms. FEATURES: ADD A MODEL RELEASE: -- Enter model information (model's name, contact information, date of birth, and more) in an easy to use form -- Easily record model, witness, and parent/guardian signatures right on the screen of your device -- Optionally add a model photo or headshot, and a photo of the model's identification -- Pick from a list of existing shoots (and easily reuse the name, description, and location you previously entered), or create a new shoot -- Set the location of the shoot based on your location -- A parent/guardian signature is automatically required if a model is under 18 based on the selected date of birth -- Choose whether to require all fields or just the essential ones (names and signatures) when adding a model release ADD A PROPERTY RELEASE: -- Select whether the release is for real estate or intellectual property -- Record owner/representative and witness signatures right on screen -- Add documentation photos to easily identify what property the release is for -- Choose whether to require all fields or just the essential ones (description, names, and signatures) when adding a property release RELEASE TEMPLATES: -- Select from a variety of included model and property release agreement templates, including ASMP, iStockPhoto, Shutterstock, and 500px -- Generic, iStockPhoto, and Shutterstock release agreements available in English, Spanish, Italian, and German -- Add your own custom model release agreements -- Easily change the language of your model and property release agreements in the Options tab -- Choose which of the included model and property release agreements are displayed when adding a release VIEW AND MANAGE: -- Sort your model and property releases chronologically or alphabetically (sorted by model name or property name) -- View release details in an easy to read format, with all the information presented in one place -- Duplicate an existing release to reuse a model's information for a new shoot or with a new release template -- Search your model or property releases by name, shoot name, shoot description, shoot location, and date -- Delete model or property releases with just a simple right-to-left swipe from the list view SHARE AND SAVE: -- Save a PDF of your property or model releases to the Files app, or any third party cloud storage apps (such as Dropbox, OneDrive, Box, and more) installed on your device -- Send a PDF of a model or property release via email, messages, AirDrop, and many third-party apps -- Print your model or property releases right from your device with any AirPrint printer or third-party printing app -- See a preview of the release PDF before saving, sending, or printing SYNC: -- Access your model and property releases on all your devices with iCloud sync -- Your information is entered once (when first launching Snap & Release), then saved to be displayed when generating release forms. Edit it at any time in the Options tab
Screenshots
Verdict
The clearest difference is price: Long Exposure Calculator at Free against Snap & Release's $1.99. Long Exposure Calculator also leads on rating (4.4 vs 3.2) and review sentiment (82% vs 50%). Snap & Release's advantage is in-app purchases (none vs 6) 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
Long Exposure Calculator is free to download; Snap & Release costs $1.99 up front. Long Exposure Calculator sells 6 one-off in-app purchases. Snap & Release asks for nothing beyond the download.
Long Exposure Calculator holds the better App Store score, 4.4 against 3.2. Both are backed by a comparable volume of ratings — 64 and 17 respectively. Written reviews point the same way: 82% of Long Exposure Calculator's written reviews are positive against 50% of Snap & Release's.
Long Exposure Calculator ships an update every 19 months, Snap & Release every 2 weeks. The most recent releases landed on October 21, 2026 and October 27, 2026 respectively.
| Parameter | Long Exposure Calculator | Snap & Release |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 4.4 (64 ratings) — better | 3.2 (17 ratings) |
| Positive reviews | 81.7% of reviews — better | 50.0% of reviews |
| Number of ratings | 64 — better | 17 |
| Update frequency | Every 19 months | Every 2 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 12.0 — better | 13.1 |
| Further details — not scored | ||
| Size | 24 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Junel Corales | David Willmore |
Customer experience
Long Exposure Calculator
Snap & Release
Bugs and requests
Long Exposure Calculator
Reported bugs
5 issues- App freezes after each use
- App crashes after update
- App freezes and needs to be closed and reopened
- App runs no more after iOS update
- App crashes and cannot be opened again
Requested features
11 requests- Filter bag feature to select owned filters
- Ability to edit existing filters for precise values
- Combine multiple filters in calculations
- Option to display calculated time in seconds only
- Acoustic signal/alarm at the end of the timer
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- Tutorial for new users
- Translation to Spanish
- Include aperture in calculations
- Background operation for timer
- 10-second warning before timer ends
- Loud buzzer at the end of the timer
Snap & Release
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Long Exposure Calculator
- Leave a Tip$1.99
- Leave a Tip$2.99
- Leave a Tip$3.99
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- Leave a Tip$5.99
- Leave a Tip$9.99
- Leave a tip$14.99
Snap & Release
No in-app purchases
Questions
Is Long Exposure Calculator free?
Is Snap & Release free?
Which has better reviews, Long Exposure Calculator or Snap & Release?
Do Long Exposure Calculator or Snap & Release have ads?
Which is updated more often, Long Exposure Calculator or Snap & Release?
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