# 一卷 Rollbook — Film:Meter,Convert&Develop > Film:Meter,Convert&Develop (iPhone/iPad app by 昌俊 刘.) - Source: https://appshunter.io/ios/app/rollbook/id6786322386 (this page in markdown: same URL + `.md`) - Developer: [昌俊 刘](https://appshunter.io/developer/6786316789) - Category: Photo & Video, Utilities - Price: Free with in-app purchases - Age rating: 4+ - Requires: iOS 26.0 · 22 MB - Languages: American English, Chinese (Simplified, China) - Released: 2026-08-30 - Data updated: 2026-10-15 ## What is 一卷 Rollbook? Rollbook — Your Complete Film Photography Toolkit From film archiving and light metering to development timers, chemical inventory, negative conversion, and photo organization, keep your film photography workflow together. Rollbook is designed for film photographers who want to manage their cameras, rolls, exposures, development processes, and finished photographs in one place. Whether you shoot 35mm, 120, or large format film, Rollbook helps you organize the entire process. FILM ARCHIVE & MANAGEMENT Keep a dedicated record for every roll of film. • Organize film stocks, formats, ISO, and development processes • Track film loading, shooting, and development • Link cameras, lenses, and shooting records • Manage individual film archives • Connect finished photographs to their original rolls LIGHT METER Use your iPhone as a companion light meter for film photography. • Average metering • Spot and precise spot metering • Area Metering and Zone System guidance • ISO/EI, aperture, and shutter speed calculations • Exposure compensation and ND filter support • Reciprocity failure reference and calculations • Metering and exposure records Plan your exposures and preserve useful information for reviewing your results. SHOOTING LOG Keep track of individual exposures. • Camera, lens, and film stock • Aperture, shutter speed, and ISO/EI • Exposure compensation and shooting settings • Shooting date, location, and notes • Reference photographs • Links between shooting records and finished images FILM DEVELOPMENT & TIMER Manage five film development processes: • Black & White Negative • Black & White Reversal • C-41 Color Negative • E-6 Color Reversal • ECN-2 Motion Picture Negative Follow structured development workflows with: • Step-by-step development timers • Time, temperature, and dilution records • Agitation instructions • Completion reminders • Processing history and actual timing records DEVELOPMENT RECIPES Organize reference recipes and create your own. • Browse reference development recipes • Create and edit custom recipes • Manage process-specific development steps • Record time, temperature, and dilution ratios • Track push/pull processing parameters • Save development records for future use CHEMICAL INVENTORY Manage your darkroom chemicals and supplies. • Track chemical batches • Record purchase and opening dates • Manage expiration dates • Track chemical consumption • Estimate remaining quantities FILM NEGATIVE CONVERSION Convert scanned or camera-scanned film negatives into positive images. • Negative-to-positive conversion • Orange mask correction for color negatives • Manual film base sampling • Neutral-point calibration • Exposure and white balance adjustments • Contrast, highlights, and shadows • Saturation and color adjustments Convert and refine your digitized negatives directly on your iPhone. PHOTO ORGANIZATION Keep your finished photographs connected to their film records. • Import and organize photographs • Link photos to their corresponding rolls • Manage cover images • Add notes and ratings • Review shooting and development history CAMERA & LENS MANAGEMENT Build your personal photography equipment library. • Organize cameras and lenses • Keep records of your equipment • Associate equipment with rolls and shooting records ROLLBOOK MOMENTS Revisit your film photography records and rediscover photographs from your archive. DATA BACKUP & RESTORE Your film records and related information are primarily stored on your device. Backup and restore tools help you preserve your photography archive. ROLLBOOK PRO Unlock additional features with a one-time purchase: • Area Metering • Rollbook Moments • Unlimited custom development recipes Lifetime access. No subscription. The free version continues to include essential film archiving, light metering, negative conversion, development timers, chemical inventory, and photo management, with up to five custom development recipes. ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Rollbook Pro Lifetime | $9.99 | one-time | ## Is 一卷 Rollbook safe? Not enough ratings yet to assess 一卷 Rollbook. ## Is 一卷 Rollbook legit? 一卷 Rollbook has limited verification signals. The AppsHunter Legitimacy Score for 一卷 Rollbook is 58 out of 100 points across 7 verification signals from App Store and developer data. ## Version history (last 3 releases) ### 2.11.1 — 2026-10-12 A major update to Rollbook. This release expands Rollbook's film photography workflow, from exposure metering and development to negative conversion and finished photo management. LIGHT METER Introducing average, spot, precise spot, and Area Metering modes, with exposure calculations, ND filter support, and reciprocity failure references. FILM NEGATIVE CONVERSION Convert film negatives into positive images with film base sampling, orange mask correction, neutral calibration, and color adjustments. EXISTING TOOLS Continue using film archives, shooting logs, development timers, five development processes, custom recipes, chemical inventory, camera and lens management, photo organization, and data backup. ROLLBOOK PRO Introducing lifetime Pro access with a one-time purchase. Unlock Area Metering, Rollbook Moments, and unlimited custom development recipes. No subscription required. The free version continues to provide essential film photography tools and supports up to five custom development recipes. This update also includes improvements to the user experience, purchases, and purchase restoration. ### 1.2.1 — 2026-09-01 1、优化胶卷库存列表的显示与点击体验； 2、新增 135 半格相机类型及 Pentax 17 预置数据； 3、修复胶片重新选择、数字输入等细节，并提升整体稳定性。 ### 1.2.0 — 2026-08-30 No release notes. ## Apps similar to 一卷 Rollbook | App | Rating | Price | Category | | --- | --- | --- | --- | | [FilmArchive-Film Photography](https://appshunter.io/ios/app/filmarchive-film-photography/id6797991676) | — | Free | Photo & Video | | [Canister - Film Log](https://appshunter.io/ios/app/canister-film-log/id6772569509) | — | Free | Photo & Video | | [Lumiroll - Light Meter & Log](https://appshunter.io/ios/app/lumiroll-light-meter-and-log/id6762790507) | 5.0 (1) | Free | Photo & Video | | [FilmMonk: Film Roll Tracker](https://appshunter.io/ios/app/filmmonk-film-roll-tracker/id6804411640) | — | Free | Photo & Video | | [Koma Film Log](https://appshunter.io/ios/app/koma-film-log/id6809084145) | — | Free | Photo & Video | | [FramePass-就位相机](https://appshunter.io/ios/app/framepass/id6799806998) | — | Free | Photo & Video | --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-15.*