Comparison

Strontium Hub vs Lutter

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

Head to head
About

Strontium Hub

Features
Read full description

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.

About

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.

Highlights
  • 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
Features
Read full description

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

Strontium Hub3 screens
Lutter4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Lutter sells 5 one-off in-app purchases. Strontium Hub asks for nothing beyond the download.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 7 level
Strontium Hub versus Lutter: the parameters behind the verdict, then further details
ParameterStrontium HubLutter
PriceFreeFree
Rating—5.0 (6 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—6 — better
Update frequencyEvery 2 weeksEvery 4 days — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS7.0 — better17.2
Further details — not scored
Size37 MB75 MB
Age rating4+4+
DeveloperTrend Electronics co., Ltd.CHIH YU LIN

In-app purchases

None

Strontium Hub

No in-app purchases

5 purchases

Lutter

One-time5
  • Lutter Pro$14.99
  • Lutter Pro$19.99
  • Lutter Pro$24.99
Show 2 more
  • Lutter Pro$29.99
  • Lutter Pro$34.99

Questions

Is Strontium Hub free?
Strontium Hub is free to download, with no in-app purchases.
Is Lutter free?
Lutter is free to download, with in-app purchases available.
Do Strontium Hub or Lutter have ads?
Neither Strontium Hub nor Lutter shows ads.
Which is updated more often, Strontium Hub or Lutter?
Strontium Hub ships an update every 2 weeks, and Lutter every 4 days. Most recently, Strontium Hub was updated on November 1, 2026 and Lutter on November 9, 2026.

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