Strontium Hub vs Lutter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Strontium Hub
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The App, called StrontiumHub, is a iPhone/iPad interface special for WiFi Storage. Using the app, user can friendly exchange the data with the external WiFi storage, whatever, music, photo or even the movie. StrontiumHub provide not only single user, but also several users can enjoy the storage in the same time. For example, She, your girlfriend maybe, can using iPad's App to see the movie stored in the WiFi Storage, and you can enjoy the WiFi Storage's MP3 music in the same time. In addition, we also can sort the file into several type, including, music photo and movie. You can just touch one icon to get all of the file type stored in the media area. Of course, use can operate the simple file management, for example create directory, delete file ... and so on. We also provide friendly UI for virtual AP setting, that's means, user can use the WiFi Storage and going to internet in the same time. Simply to say, it is a great App interface for WiFi Storage, by using the App, user can easily use the external storage space to store, exchange her or his data. Hope that you can enjoy StrontiumHub. Thanks.
Lutter
Enhance your photos and videos with cinematic filters and precise color controls. Apply built-in or custom looks, refine light and color with advanced tools, and add textures for a professional finish. Export in various formats up to 4K.
- Apply and stack LUTs
- Precise color and light adjustments
- Film grain, halation, and bloom effects
- Histogram, waveform, and vectorscope
- Reference image comparison
- Video stabilization
- Export up to 4K HDR
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Lutter brings LUTs, cinematic filters and precise color controls to photo and video editing on iPhone and iPad. Apply a look, then refine the light and color to suit your work. Build your look • Apply built-in looks or import your own LUTs. • Stack LUTs and independent color adjustments. Change their order and strength, or toggle a layer to compare. • Refine exposure, contrast, saturation, vibrance, white balance and tint. Shape light with curves and color wheels. • Add film grain, warm halation and soft bloom for the texture you want. See each adjustment • Compare the original and graded image, or work in full screen. • Check exposure and color with a histogram, waveform, vectorscope and false color. • Save or import reference images to compare while grading. Copy and paste color settings between projects for a consistent look. Edit and export • Adjust color and composition in your photos, crop, and save as JPEG, HEIF, PNG or TIFF. • Trim, crop, rotate and flip video. Reduce handheld shake with stabilization. • Export video up to 4K with H.264, HEVC or ProRes 422. Compatible settings support HDR export. • Export supported color adjustments as a .cube LUT to reuse in other grading tools. Formats and workspace Work with SDR and HDR video, Apple Log, Apple Log 2, Sony S-Log3 and supported DJI D-Log/D-Log M profiles. Available editing and export options depend on the source format and device. The native iPad workspace offers a larger preview and landscape controls, with room for curves, wheels and LUT browsing. Projects save automatically so you can pick up where you left off. Choose Pro when you need it Scopes, curves and color wheels remain free. Preview Pro color tools in the editor before purchasing. Pro unlocks advanced color tools, film effects, stabilization and advanced export with one purchase, no subscription. Your media is processed on your device. No account required and no watermark on export. Usage analytics and crash diagnostics can be disabled in Settings. Privacy: https://lutter.app/privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Strontium Hub at none against Lutter's 5. Strontium Hub also leads on iOS requirement (7.0 vs 17.2). Lutter's advantage is update cadence (every 4 days vs every 2 weeks). On price, ads and device support 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. Lutter sells 5 one-off in-app purchases. Strontium Hub asks for nothing beyond the download.
Strontium Hub ships an update every 2 weeks, Lutter every 4 days. The most recent releases landed on November 1, 2026 and November 9, 2026 respectively.
| Parameter | Strontium Hub | Lutter |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (6 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 6 — better |
| Update frequency | Every 2 weeks | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 7.0 — better | 17.2 |
| Further details — not scored | ||
| Size | 37 MB | 75 MB |
| Age rating | 4+ | 4+ |
| Developer | Trend Electronics co., Ltd. | CHIH YU LIN |
In-app purchases
Strontium Hub
No in-app purchases
Lutter
- Lutter Pro$14.99
- Lutter Pro$19.99
- Lutter Pro$24.99
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- Lutter Pro$29.99
- Lutter Pro$34.99









