illumeter vs FFF
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
illumeter
This app functions as a portable light meter, allowing users to measure exposure values like aperture, shutter speed, and ISO. It offers features for logging shots with location and settings, and provides customization options for a personalized user experience.
- Exposure measurement (Aperture, Shutter Speed, ISO)
- Tap-to-focus exposure lock
- Exposure compensation
- Frame logging with location and settings
- List and map view of logged frames
- Customizable settings and appearance
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illumeter, The Simplest Light Meter in Your Pocket. Exposure Meter • Choose the value you want to measure from Aperture, Shutter Speed, or ISO. • The selected value automatically adjusts based on changes in the other two settings. • Tap a specific point on the screen to lock the exposure to that area. • An exposure compensation feature is provided to help you handle various challenging lighting conditions. Frame Logging • Log your frames by composing your shot and pressing the shutter button. • Location, date and time, EV value, and settings are recorded with each frame. • Review your recorded frames in a list and on a map. • Easily delete or edit incorrect frames. Settings & Personalization • Easily toggle various features on or off. • Deactivate or remove unused values. • Customize the app's appearance and feedback to your preference.
FFF
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# FFF – 3D Photos for Everyone 누구나 쉽고 빠르게, 복잡한 편집 과정 없이 간편하게 3D 사진을 만들 수 있습니다. FFF는 특별한 촬영 장비나 전문적인 편집 기술이 없어도 새로운 시각적 경험을 만들고 공유할 수 있도록 도와주는 사진·영상 콘텐츠 플랫폼입니다. 일반 사진에 FFF만의 모션 효과를 적용하여 생동감 있는 3D 콘텐츠를 제작할 수 있습니다. 사진을 선택하고 원하는 효과를 설정하면 FFF가 자동으로 편집을 진행합니다. FFF F1, F2, F3, F4, F2x2 렌즈로 촬영한 사진도 자동 편집으로 빠르게 완성하거나, 수동 편집을 통해 원하는 방식으로 직접 조정할 수 있습니다. 완성된 3D 사진과 FFF 렌즈 콘텐츠는 바로 확인하여 기기에 저장하거나, FFF 게시물로 공개해 다른 사용자들과 공유할 수 있습니다.
Screenshots
Verdict
The clearest difference is update cadence: FFF at weekly against illumeter's every 2 weeks. FFF also leads on device support (3 vs 1). On price, ads, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
illumeter ships an update every 2 weeks, FFF weekly. The most recent releases landed on July 18, 2026 and September 16, 2026 respectively.
| Parameter | illumeter | FFF |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (11 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 11 — better | — |
| Update frequency | Every 2 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 12 MB | 88 MB |
| Age rating | 4+ | 17+ |
| Developer | Seunghun Yang | Gi Seong Lee |
In-app purchases
illumeter
No in-app purchases
FFF
No in-app purchases
