# MeterGlass — Your Pocket Light Meter

> Your Pocket Light Meter (iPhone/iPad app by 存滨 崔.)

- Source: https://appshunter.io/ios/app/meterglass/id6761722905 (this page in markdown: same URL + `.md`)
- Developer: [存滨 崔](https://appshunter.io/developer/1809703940)
- Category: Photo & Video, Utilities
- Price: $9.99
- Age rating: 4+
- Requires: iOS 17.0 · 3 MB
- Languages: American English, French (France), German (Germany), Japanese, Chinese (Simplified, China), Chinese (Traditional, Taiwan)
- Released: 2026-04-09
- Data updated: 2026-08-30
- User reviews in markdown: https://appshunter.io/ios/app/meterglass/id6761722905/reviews.md

## What is MeterGlass?

MeterGlass is a professional light meter built for film and large format photographers.

Metering
• Average metering and ~1.5° spot metering with a live acceptance-angle readout; pinch to zoom in tighter
• Zone System: multi-point capture and placement, scene contrast and N+/N- development suggestions, shareable metering cards
• Calibration in 0.1 EV steps against a gray card or a meter you trust

Film formats
• Nine format masks from 135 to 8x10 (including 6x12/6x17 panoramic) with in-mask metering
• Live equivalent focal length per format, portrait/landscape framing, zoom with 5mm detents

Exposure
• EV, aperture/shutter pairs, exposure compensation, illuminance (lux) and color temperature
• Filter factors (yellow/orange/red/ND) and bellows extension compensation, folded into suggestions automatically
• ISO 20–25600, apertures f/1–f/256, full/half/third-stop steps

Instrument-style interface, six languages, fully offline, zero data collection.


## Version history (last 5 releases)

### 2.2 — 2026-08-08

What’s New in 2.2

• Extended highlight capture — when highlights would clip, MeterGlass briefly darkens the exposure so bright areas stay measurable (shown as E2 / E4)
• Film types for Zone mode — black & white negative, color negative, and slide, each with matching latitude and preview
• Metering grid — 9- or 16-cell overlay for average metering; tap a cell to use it as the reference
• Spot angle options — choose 1°, 1.5°, or 3°
• Clearer out-of-range readings — values beyond the sensor scale show as ≥ or ≤
• More accurate spot vs average alignment and smoother Zone freeze

Thank you for using MeterGlass.

### 2.1 — 2026-07-22

MeterGlass 2.1

• Dark mode: follow the system or switch manually — easier on the eyes in low light, and even more instrument-like
• Live histogram in the viewfinder, with red warnings for blown highlights and crushed shadows
• TimerGlass integration: send long-exposure shutter times to TimerGlass for reciprocity correction and timing, or open MeterGlass from TimerGlass with your film's ISO
• Settings reorganized into clearer groups
• Fixes: AE-L now unlocks when switching metering modes; focal length display on frozen Zone frames

### 2.0 — 2026-07-08

MeterGlass 2.0 — built for film and large format photography

• Film format system: 135, 645, 6x6, 6x7, 6x12, 6x17, 4x5, 8x10 — masked framing, in-mask metering, equivalent focal length, portrait/landscape framing
• Filter factor & bellows extension compensation: yellow/orange/red/ND filters and close-up bellows draw, folded into suggested exposures automatically
• Zone System log: generate a shareable metering card with your frame, readings, zone placement and development suggestions
• Metering engine rebuilt: BT.709 linearization and uniform tone mapping for markedly better stop-to-stop accuracy
• Spot metering tightened to a ~1.5° acceptance angle, shown live
• New languages: Traditional Chinese, Japanese, German, French
• Refined interface: compact viewfinder, larger readouts, ISO confirmation reminder, haptic feedback

### 1.2 — 2026-06-09

MeterGlass is a professional light meter for film and digital photographers.

• Average and spot metering: wide-angle averaging or a ~1.5° reflected spot — pinch to zoom in to ~1°, with a live acceptance-angle readout.
• Zone System: sample multiple points to see scene contrast, shadow/highlight placement, and N± development suggestions.
• Metering calibration: align it to a meter you trust or a gray card for dependable readings.
• Full exposure info: EV, aperture/shutter pairs, exposure compensation, illuminance (lux), and color temperature.
• Instrument-style UI: compact viewfinder with large, clear readouts, AE-L exposure lock, and single-shot or continuous metering.

### 1.1 — 2026-04-30

MeterGlass 1.1 focuses on a refined Adams Zone System workflow, improved spot metering behavior, and a cleaner professional interface.

Added black-and-white preview in Zone System mode
Zone mode now supports freezing the scene before capturing shadow, highlight, and reference readings
Improved multi-point Zone System workflow with placement, fall zones, contrast range, and N+/N- development suggestions
Spot metering now holds the selected reading after tapping a point
Improved viewfinder frame, exposure scale, and reading label visuals
Fixed stability and localization issues

## Apps similar to MeterGlass

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Zone System](https://appshunter.io/ios/app/zone-system/id6741873549) | 5.0 (3) | $1.99 | Photo & Video |
| [Mark II Artist's Viewfinder](https://appshunter.io/ios/app/mark-ii-artists-viewfinder/id711280537) | 4.8 (102) | $39.99 | Photo & Video |
| [Bimostitch](https://appshunter.io/ios/app/bimostitch/id1598709872) | 4.5 (33) | $7.99 | Photo & Video |
| [Negative Me Pro](https://appshunter.io/ios/app/negative-me-pro/id457360830) | 1.0 (1) | $2.99 | Photo & Video |
| [Negative Scanner](https://appshunter.io/ios/app/negative-scanner/id6769307918) | 5.0 (1) | Free | Photo & Video |
| [GrayZone - Light Meter](https://appshunter.io/ios/app/grayzone-light-meter/id6757147623) | 2.3 (3) | $2.99 | Photo & Video |

## More apps by 存滨 崔

- [GroundGlass](https://appshunter.io/ios/app/groundglass/id6747068863)
- [TimerGlass](https://appshunter.io/ios/app/timerglass/id6761681913)
- [FieldGlass](https://appshunter.io/ios/app/fieldglass/id6761699291)
- [DevGlass](https://appshunter.io/ios/app/devglass/id6762206948)
- [MatGlass](https://appshunter.io/ios/app/matglass/id6762502630)

All apps by 存滨 崔: https://appshunter.io/developer/1809703940

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*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 2026-08-30.*