Comparison

MeterGlass vs Japaven

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

Head to head
About

MeterGlass

Features
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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.

About

Japaven

Features
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Japaven brings a film darkroom to your iPhone and iPad. Develop digital photographs through a simulation of film exposure, development, printing and scanning, using measured film and paper profiles. EXPLORE FILM AND PAPER Choose from 22 film profiles and nine printing-paper profiles. Explore colour negative, slide and black-and-white looks, and see how the material changes your photograph. SHAPE YOUR PHOTOGRAPH Start in Look with film, paper and the Character dial. Refine exposure, contrast, highlights, shadows, warmth, tint, grain and sharpening in Adjust. Explore print exposure, colour filtration, softness and halation in the Darkroom, or open Advanced for detailed simulation controls. Some print controls apply only to negative films. DEVELOP AND SHARE Import from Photos or open image files from Files. Export at 1080, 2048 or 4096 pixels, or at your photograph's full resolution. Save to Photos or share through the system share sheet. Your original stays unchanged. ON-DEVICE PROCESSING Your photographs are processed on your device and are never uploaded by Japaven. Photo editing works offline and requires no sign-up. FREE FEATURES Start with Kodak Gold 200, Fujifilm C200 and Kodak Double-X, each with its default print material. Use Look, Adjust and Character, with unlimited photo exports up to full resolution. Preview premium films, papers and controls before subscribing. JAPAVEN PRO An optional monthly or yearly auto-renewable subscription unlocks exports using the full film and paper collection, independent Darkroom adjustments and Advanced controls. The price for your region is displayed in the app before purchase. Payment is charged to your Apple Account. The subscription renews automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel it in your Apple Account subscription settings. Restore purchases through your Apple Account. You may optionally link an e-mail address to restore Pro on another device; the linked address can be removed in the app. Purchases and optional e-mail restoration require an internet connection. Film and paper names are their manufacturers' trademarks and identify the materials represented by the profiles. Japaven is not affiliated with or endorsed by those manufacturers. Privacy Policy: https://japaven.com/privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

MeterGlass4 screens
Japaven4 screens

Verdict

The call

The clearest difference is price: Japaven at Free against MeterGlass's $9.99. Japaven also leads on update cadence (every 2 days vs monthly). MeterGlass's advantage is in-app purchases (none vs 2). On ads, 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

CostPrice · In-app purchases · Ads · Monetization

Japaven is free to download; MeterGlass costs $9.99 up front. Japaven sells 2 in-app purchases, starting at $1.99 per month. MeterGlass asks for nothing beyond the download.

UpkeepUpdate frequency

MeterGlass ships an update monthly, Japaven every 2 days. The most recent releases landed on October 28, 2026 and November 6, 2026 respectively.

Scorecard3 real differences · 3 level
MeterGlass versus Japaven: the parameters behind the verdict, then further details
ParameterMeterGlassJapaven
Price$9.99Free — better
Update frequencyMonthlyEvery 2 days — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.0 — better18.0
Further details — not scored
Size4 MB35 MB
Age rating4+4+
Developer存滨 崔Gor Davtyan

In-app purchases

None

MeterGlass

No in-app purchases

2 purchases

Japaven

Subscriptions2
  • Japaven Pro3 Days trial$1.991 Month
  • Japaven Pro Yearly3 Days trial$19.991 Year

Questions

Is MeterGlass free?
MeterGlass costs $9.99, with no in-app purchases.
Is Japaven free?
Japaven is free to download, with in-app purchases available.
Do MeterGlass or Japaven have ads?
Neither MeterGlass nor Japaven shows ads.
Which is updated more often, MeterGlass or Japaven?
MeterGlass ships an update monthly, and Japaven every 2 days. Most recently, MeterGlass was updated on October 28, 2026 and Japaven on November 6, 2026.

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