Comparison

Long Exposure Buddy vs Silverlog ND

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Long Exposure Buddy

Read full description

Long Exposure Calculator is the essential companion for photographers who shoot silky waterfalls, creamy oceans, light trails, star trails, and everything in between. Calculate in seconds. Set your base shutter speed, choose your ND filter stops, and instantly see the corrected long exposure time. Exposure triangle mode lets you factor in aperture and ISO for complete creative control. 8 scene presets, ready to shoot. Whether it's a misty ocean at golden hour or spinning steel wool at midnight — tap a preset to load proven settings with expert tips for that specific scenario. Built-in countdown timer. When your calculation is ready, tap Start. A full-screen timer counts down your exposure with Dynamic Island Live Activity support so you can track progress without unlocking your phone. Film reciprocity failure correction. Shooting on film? Choose from 21 classic film stocks — Kodak Portra, Fujifilm Velvia, Ilford HP5, Tri-X, and more — and the app automatically calculates the extra exposure time needed to compensate for reciprocity failure. Golden hour, always on. A location-aware banner on the main screen shows your next golden hour or blue hour countdown, updated in real time. A home screen widget keeps the timing front and center when you're planning a shoot. Shot Log. Every calculated exposure is saved automatically. Search, browse, and export your shots as CSV for post-processing notes or location planning. Filter Collection. Catalog your physical ND filters so the right stops are always one tap away. Learn while you shoot. The built-in Education Mode covers ND filters, the exposure triangle, reciprocity failure, and scene-by-scene technique guides — no internet required. Siri Shortcuts. Ask Siri to open a long exposure calculation and jump straight into the app. Designed for: Landscape photographers, architecture and cityscape shooters, astrophotographers, film photographers, and anyone learning long exposure technique.

About

Silverlog ND

Features
Read full description

Silverlog ND calculates the corrected exposure time when using neutral density filters, including stacking multiple filters together. HOW IT WORKS Enter your base exposure without filters, then select one or more ND filters. Instantly see the corrected shutter speed accounting for the combined filter density. FEATURES • Single and stacked ND filter calculation • 16 filter strengths from ND2 (1 stop) to ND100000 (16.5 stops) • Shows combined stop reduction • ND number, stops and optical density reference • Base exposure input in standard shutter speed increments • Works offline — no internet connection needed • Clean, focused interface • Dark mode support USEFUL FOR • Long exposure photography with ND filters • Waterfall and seascape smooth water effects • Motion blur in daylight conditions • Stacking filters for extreme exposures Part of the Silverlog photography toolkit. No account required. No data collected.

Screenshots

Long Exposure Buddy4 screens
Silverlog ND4 screens

Verdict

The call

The clearest difference is in-app purchases: Long Exposure Buddy at none against Silverlog ND's 5. Silverlog ND's advantage is update cadence (every 5 days vs every 96 months) and device support. On price and iOS requirement there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Silverlog ND sells 5 one-off in-app purchases. Long Exposure Buddy asks for nothing beyond the download.

UpkeepUpdate frequency

Long Exposure Buddy ships an update every 96 months, Silverlog ND every 5 days. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

Scorecard3 real differences Ā· 3 level
Long Exposure Buddy versus Silverlog ND: the parameters behind the verdict, then further details
ParameterLong Exposure BuddySilverlog ND
PriceFreeFree
Update frequencyEvery 96 monthsEvery 5 days — better
Ads—No
In-app purchasesNo — betterYes
Devices—iPhone, iPad — better
Requires iOS17.016.4 — better
Further details — not scored
Size1 MB40 MB
Age rating4+4+
Developermitesh soniSimon Westgate

In-app purchases

None

Long Exposure Buddy

No in-app purchases

5 purchases

Silverlog ND

One-time5
  • Nice One$0.99
  • Legend$2.99
  • Absolute Hero$4.99
Show 2 more
  • Guardian Angel$9.99
  • Actual Saint$29.99

Questions

Is Long Exposure Buddy free?
Long Exposure Buddy is free to download, with no in-app purchases.
Is Silverlog ND free?
Silverlog ND is free to download, with in-app purchases available.
Which is updated more often, Long Exposure Buddy or Silverlog ND?
Long Exposure Buddy ships an update every 96 months, and Silverlog ND every 5 days. Most recently, Long Exposure Buddy was updated on October 26, 2026 and Silverlog ND on October 28, 2026.

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