iSpConverter vs Porthole NVR
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iSpConverter
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Transform your photos and videos into immersive spatial experiences — or extract side-by-side (SBS) content from spatial media — right on your iPhone or iPad. iSpatialConverter is the essential tool for spatial video and spatial photo enthusiasts. Whether you want to view your memories on Apple Vision Pro, share SBS files with 3D video players, or prepare footage for professional editing in DaVinci Resolve, iSpatialConverter has you covered. KEY FEATURES Spatial Video -> SBS: Extract left/right eye frames from Apple spatial videos (MV-HEVC) into a standard side-by-side MP4 or MOV file compatible with any 3D player or NLE. SBS -> Spatial Video: Convert side-by-side videos into Apple-standard MV-HEVC spatial video. Compatible with iPhone 15 Pro / 16, Apple Vision Pro, and DaVinci Resolve. Spatial Photo -> SBS: Decompose Apple spatial HEIC photos into a flat SBS image. SBS -> Spatial Photo: Create Apple-standard spatial HEIC photos from side-by-side images. Full Parametric Control: Adjust horizontal FOV, stereo baseline, and disparity to perfect your 3D depth. Resize & Crop: Output at any resolution with Stretch, Crop-Fill, or Letterbox modes. Left/Right Swap: Fix reversed stereo pairs with one toggle. Audio Preservation: Keep original audio tracks during video conversion. Photo Library Integration: Pick source media directly from Photos via PHPicker, and save results automatically to named albums (ConvSBS or ConvSpatial). On-device Processing: All conversion happens locally — no uploads, no subscriptions, no internet required. PERFECT FOR Apple Vision Pro owners who want to convert their 2D/3D content library Videographers and photographers working with spatial media DaVinci Resolve editors who need Vision Pro-compatible spatial video 3D enthusiasts with SBS content collections TECHNICAL NOTES Spatial video conversion (SBS → Spatial) requires iOS 17.0 or later. Photo conversion is available on iOS 16.0 and later. Output videos are stored in your Photos library under the ConvSBS or ConvSpatial album.
Porthole NVR
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Porthole is a native iPhone and iPad client for Frigate—the open-source NVR you run yourself. Built by a small business for the self-hosting and Frigate community: connect to your own server, watch go2rtc WebRTC streams, and keep video between your device and your installation. There is no Hallway Trails account and no cloud relay. FEATURES (NOW) • Live camera grid with tap-to-open detail view • Landscape fullscreen for wide cameras • Works with authenticated or unauthenticated Frigate setups • Passwords stored in the iOS Keychain on your device • Reorder cameras to match how you actually use them • Local network support for home LAN servers COMING NEXT We’re bringing more of the Frigate web experience into a native app—supported by ads and optional Pro: • Event review (detections and alerts from your Frigate server) • Timeline browsing across cameras • Recordings playback • Export clips to share or save • More of the day-to-day Frigate workflow without leaving your phone SUPPORTING THE APP Porthole is free to use. A small banner on the Live grid and an optional Porthole Pro subscription ($4.99/year) help fund continued development, maintenance, and these upcoming features for Frigate users. Pro removes ads and is billed through your Apple ID—entirely separate from your Frigate server. REQUIREMENTS • A running Frigate NVR with go2rtc live streams • Network access from your device to that server (LAN or HTTPS) If you already self-host Frigate and want a clean native client—not another cloud camera subscription—Porthole is for you. Privacy Policy: https://porthole.hallwaytrails.com/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: iSpConverter at none against Porthole NVR's 1. iSpConverter also leads on iOS requirement (16.0 vs 26.0). 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. Porthole NVR sells 1 in-app purchase, starting at $4.99 per year. iSpConverter asks for nothing beyond the download.
| Parameter | iSpConverter | Porthole NVR |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 1 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | Spmaker | Hallway Trails |
In-app purchases
iSpConverter
No in-app purchases
Porthole NVR
- Porthole Pro$4.991 Year









