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Test scope & comparison notes
These are recorded facts, not a unified ranking. Tested tiers and scope are not consistently recorded. Read pricing with its date and timing with its conditions. Privacy observations reflect visible flows and statements, not a security audit.
Cross-task capability coverage across selected products
Each product is scored independently per task edge; switch tasks below while keeping shared products selected| Task edge | Unlimited:Waifu2x | LightX | Switch / compare |
|---|---|---|---|
| Background removal | Not tested in topic | 64/100 480 × 480 · PNG | Compare in task topic → |
| Image upscaling | 89/100 2048 × 2048 · PNG | 86/100 JPEG · Output attached | Active task |
| Object removal | Not tested in topic | 66/100 JPEG · Output attached | Compare in task topic → |
| Image generation | Not tested in topic | 83/100 JPEG · Output attached | Compare in task topic → |
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Browse this task →| Criterion | Unlimited:Waifu2x (WebGPU In-Browser SR) Image upscaling 89/100 Seven-aspect task score Free open-source, login-free on-device processing gives good 4× detail; a dismissible rewarded-ad prompt may appear on first use. Tested export 2048 × 2048 · PNG Historical test · 2026-10-17 | LightX AI Image Upscaler Image upscaling 86/100 Seven-aspect task score A signed-in free account uses 2 daily credits to upscale 4X in ~6.4s and export a 2048×2048 watermark-free JPEG with strong pixel and edge fidelity, though sign-in is required and output is lossy JPEG. Tested export JPEG · Output attached Historical test · 2026-10-23 |
|---|---|---|
| Pricing & rules | ||
| Pricing plans | unlimited:waifu2x in-browser AI image upscaler · 2026-10-21 Plan · source date Monthly / one-time Annual bill / period Quota & limits unlimited:waifu2x Free Web2026-10-21 ↗ Free Free Free Free without login and no image-count limits (runs on local WebGPU/WASM hardware); supports up to 4x unwatermarked PNG export. 1 plan / billing-period records, all listed; — means that period is not recorded. In-browser WebGPU/WebAssembly upscaler powered by nunif/waifu2x. Completely free with no account system or paid tiers; offers swin_unet and cunet models, 1x/2x/4x upscaling, and denoise levels running on local device hardware. Cancellation, sources & verification recordCompletely free open-source-powered tool with no accounts or subscription charges. unlimited:waifu2x official page ↗ · 2026-10-21 Capture 1 ↗ | USD web monthly/annual subscriptions and 800-credit pack; excludes API · 2026-10-20 Plan · source date Monthly / one-time Annual bill / period Quota & limits Starter2026-10-20 ↗ Free Free Free Card states 6 AI credits/day; comparison table instead says up to 5 credits Background removal outputs low-resolution JPG; export table lists 512px Pro2026-10-20 ↗ USD 9.99/month USD 59.99/year Annual 1,000 AI credits/month; unlimited background removal/replacement PNG and high resolution; export table lists 4096px Monthly 1,000 AI credits/month; unlimited background removal/replacement PNG and high resolution; export table lists 4096px 800 AI credit pack2026-10-20 ↗ USD 9.99 · one-time payment Usage / one-time Usage / one-time 800 general AI credits Advertised lifetime validity 4 plan / billing-period records, all listed; — means that period is not recorded. Monthly $9.99 verified; promotional annual total $59.99 and non-expiring 800-credit pack $9.99. The free card still says 6 daily credits while the table says up to 5. Free removal is low-resolution JPG; Pro provides unlimited high-resolution PNG removal. Earlier INR and current USD observations do not imply identical regional pricing. Verification has gaps; unknown prices and quotas are not inferred. Cancellation, sources & verification recordCancellation and refund terms follow official checkout and help policies. Official plans and usage terms ↗ · 2026-10-20 Capture 1 ↗ · Capture 2 ↗ Monthly pricing and feature comparison ↗ · 2026-10-20 Capture 1 ↗ |
| Free & trial allowance on the test date | Unlimited local WebGPU runs with zero daily caps or credit deductions | Free accounts receive 6 daily credits; upscaling the 512×512 canonical anchor at 4X consumes 2 credits and exports a 2048×2048 watermark-free JPEG via Apply -> Download even if a dismissible cloud-storage-full prompt appears |
| Cancellation & refunds | Completely free open-source-powered tool with no accounts or subscription charges. | Cancellation and refund terms follow official checkout and help policies. |
| Disclosure of costs & limits | Explicitly discloses WebGPU browser requirements and model options at the top of the page | Requires sign-in upon clicking upload on the landing page; workspace clearly displays remaining credits and 2X/4X credit cost (2 credits) |
| Task quality | ||
| Measured fixture results | Tested scale: 4× | Tested scale: 4× |
| Fixture findings | Ran 4× upscaling locally with noise reduction and text retention; speed depends on the device. | Upscaled 4X from 512px to 2048×2048 with 28.05 dB PSNR and 0.8979 SSIM, preserving sharp brass robot edges, wooden sign lettering, and micro calibration plate lines. |
| Original historical observation | Waifu2x Unlimited (Swin-UNet Photo 4x) suppresses JPEG compression artifacts cleanly while preserving natural camera gradients (PSNR 28.34 dB, SSIM 0.895) in 2.63s via WebGPU, without introducing fake generative hallucinations. | Upscaling the 512×512 canonical anchor at 4X (consuming 2 free credits) produces a native 2048×2048 JPEG (PSNR = 28.05 dB, SSIM = 0.8979, edge_corr = 0.7118, plate_psnr_db = 16.85 dB, server wait 6.42s) with sharp brass robot details, wooden sign lettering, and calibration plate lines. |
| Suitable uses · historical assessment | Privacy-conscious users, anime/illustration and natural photo creators who want 100% free, unlimited 4x local GPU super-resolution without uploading files to any cloud server | Users willing to sign in to a free account and use daily free credits to export true 4X (2048×2048) high-fidelity watermark-free upscaled images |
| Result & output evidence | ||
| Delivery capabilities | ||
| Recorded export specifications | 2048 × 2048 · PNG · No watermark in test | JPEG · Output attached · No watermark in test |
| Historical specification note · not an official maximum | 2048 × 2048 (true 4x lossless PNG export, supporting arbitrary large-image tiled inference) | 2048×2048 (4X watermark-free native JPEG, 2.78 MB) |
| Watermark observation | Watermark-free | Completely watermark-free (native 2048×2048 JPEG export) |
| Batch & API | Supports multi-model switching (Swin-UNet Art / Art Scan / Photo), 4-level denoise, and configurable tile size | Offers commercial API and full online editor handoff |
| Recorded free-tier dimensions | 2048 × 2048 | 2048 × 2048 |
| Attached file dimensions | 2048 × 2048 · PNG | Not verified |
| Speed & reliability | ||
| Timing observation | Recorded local processing time: 2.63s · End-to-end reference: 2.63s | Network-observed server wait: 6.42s · End-to-end reference: 6.84s |
| Date & fixture | 2026-10-17 · anchor_upscale_v1 · US-West (California, AS2914) | 2026-10-23 · anchor_upscale_v1 · US-West (California, AS2914) |
| Repeated tests & reliability | No standardized repetition count, success rate or variability range is recorded. | No standardized repetition count, success rate or variability range is recorded. |
| Interaction experience | ||
| Account requirements | No login in this test | Account required in this test |
| Sign-in methods | 100% usable without login (runs entirely in the local browser via WebGPU) | Supports free Google / Facebook / Apple / Email sign-in (6 daily free AI credits granted) |
| Manual adjustment | Not verified | Not verified |
| Interaction observations | Pure single-page engineering workbench: select model (Swin-UNet Art / Photo), Denoise level, and 1x/2x/4x scale, then immediately preview or download the 2048×2048 PNG. | The workspace provides 2X/4X scale toggles and a Before/After comparison slider (02_result.png). Although a "Your Cloud storage is full" upgrade modal may appear when entering the editor, dismissing it and clicking Apply -> Download exports the native 2048×2048 watermark-free JPEG without payment gating (03_download.png). |
| Background & reputation | ||
| Service lifecycle notice | Not verified | Not verified |
| Operator | nagadomi (waifu2x / nunif Open-Source Author) | AndOr Communications Pvt. Ltd. (LightX) |
| Recorded origin | Independent open-source AI vision researcher (Japan) | New Delhi, India |
| Domain history record | 2015–Present (waifu2x.net) | 2017–Present |
| Background & reputation assessment | Authored and maintained by nagadomi, the creator of the iconic Waifu2x open-source repository and the nunif deep-learning framework. | Operated by AndOr Communications Pvt. Ltd. (New Delhi, India), creator of the LightX mobile and web visual AI suite with tens of millions of users. |
| External reputation record | Not verified | Not verified |
| Engineering & privacy | ||
| Processing location | On-device processing | Uploaded for cloud processing |
| Third-party tracking record | Not verified | Not verified |
| Engineering & privacy assessment | 100% local in-browser WebGPU / ONNX Runtime inference — user images never leave the local device, offering maximum privacy protection. | Uses AWS S3 presigned uploads paired with POST https://www.instagraphe.mobi/andor-media-1.0/aiartweb/generateImage async inference and CDN delivery; after vendor S3 credential recovery on 2026-10-23, single-sample server wait measured 6.42s (6.84s end-to-end). |
| Retention statement | This flow runs locally; post-close deletion not independently verified | Explicit retention period unconfirmed; inspect policy record |
| Evaluation basis | ||
| Pricing transparency | 34 / 35 100% free and open-source in-browser WebGPU tool with zero paywalls, zero ad clutter, and no usage limits (01_landing.png, 02_workspace.png, 03_download.png). | 25 / 35 The landing page (01_landing.png) requires sign-in before entering the workspace; once signed in, the workspace clearly displays the daily free credit balance (6 credits) and "2X / 4X" scale options. Upscaling the 512×512 canonical anchor at 4X consumes 2 credits (1 generation = 2 credits) and exports a 2048×2048 watermark-free JPEG after clicking Apply (02_result.png, 03_download.png). |
| Interaction restraint | 25 / 30 Pure single-page engineering workbench: select model (Swin-UNet Art / Photo), Denoise level, and 1x/2x/4x scale, then immediately preview or download the 2048×2048 PNG. | 23 / 30 The workspace provides 2X/4X scale toggles and a Before/After comparison slider (02_result.png). Although a "Your Cloud storage is full" upgrade modal may appear when entering the editor, dismissing it and clicking Apply -> Download exports the native 2048×2048 watermark-free JPEG without payment gating (03_download.png). |
| Background & reputation | 19 / 20 Authored and maintained by nagadomi, the creator of the iconic Waifu2x open-source repository and the nunif deep-learning framework. | 18 / 20 Operated by AndOr Communications Pvt. Ltd. (New Delhi, India), creator of the LightX mobile and web visual AI suite with tens of millions of users. |
| Engineering & privacy | 14.5 / 15 100% local in-browser WebGPU / ONNX Runtime inference — user images never leave the local device, offering maximum privacy protection. | 12 / 15 Uses AWS S3 presigned uploads paired with POST https://www.instagraphe.mobi/andor-media-1.0/aiartweb/generateImage async inference and CDN delivery; after vendor S3 credential recovery on 2026-10-23, single-sample server wait measured 6.42s (6.84s end-to-end). |
| Task quality | 57.2 / 65 PSNR vs 2048px GT: 28.34 dB · SSIM: 0.895 · Edge Gradient Correlation: 0.7165 · High-Freq Sharpness Ratio: 0.5256 · Calibration Plate PSNR: 17 dB | 60 / 65 Pixel fidelity (24.5/25: 512×512 anchor upscaled 4X to 2048×2048 with PSNR = 28.05 dB and SSIM = 0.8979) · Edge & high-frequency recovery (22.5/25: edge_corr = 0.7118, hf_ratio = 0.5313, rich 4X full-resolution detail) · Calibration plate & micro-text (13.0/15: plate_psnr_db = 16.85 dB, clean wooden sign lettering and calibration lines) (60.0/65) |
| Deliverable specifications | 20 / 20 Exports a full 2048×2048 4x upscaled PNG (or WebP/JPEG) locally in the browser with zero watermarks and no file-count limits (20.0/20) | 18 / 20 Daily free credits (2 credits used) directly export a native 4X 2048×2048 watermark-free JPEG (2,782,593 bytes); full 4X resolution achieved, with 2 points deducted for lossy JPEG format (18.0/20) |
| Processing speed | 10.5 / 15 Local WebGPU hardware acceleration completes 512→2048 (4x) tiled inference in just 2.63s with zero network upload overhead (14.5/15) | 12 / 15 2026-10-23 same-run single-sample network timing: 6.42s server wait (6.84s end-to-end) from POST https://www.instagraphe.mobi/andor-media-1.0/aiartweb/generateImage (r8) to result image GET completion (r19) (12.0/15) |
