Example Reports

See what a ReviewSift report looks like before you run your own. Real analysis from real reviews across Amazon, Reddit, YouTube, and TikTok Shop.

Supplements487 reviews

Optimum Nutrition Creatine Monohydrate

Top complaint: Taste / Flavor Issues (34%)
Missing feature: Single-serve packets (18%)
62% positive20% negative
Opportunity

Single-serve unflavored powder — addresses 33% of all complaints. No competitor offers this.

Audio1,230 reviews

AirPods Pro 2 vs Sony WF-1000XM5

Top complaint: Sony: ear fatigue after 2hrs (24%)
Missing feature: AirPods: customizable EQ controls (16%)
71% positive15% negative
Opportunity

Sony wins sound + ANC, AirPods wins comfort + ecosystem. Neither has solved long-session comfort.

Smart Home1,840 reviews

iRobot Roomba j7+ vs Roborock S8 Pro Ultra

Top complaint: Roomba: software bugs (22%)
Missing feature: No mid-range option with both mopping + obstacle avoidance
65% positive18% negative
Opportunity

Mid-range ($600-900) robot vacuum with mopping + Roomba-level obstacle avoidance = wide open.

Kitchen950 reviews

Vitamix vs Ninja Professional Blender

Top complaint: Vitamix: price objection (31%)
Missing feature: Built-in scale for recipes (12%)
74% positive14% negative
Opportunity

Ninja at $99 gets 80% of Vitamix performance. The question for brands: can you beat Ninja on durability without matching Vitamix on price?

Office620 reviews

Uplift V2 vs FlexiSpot E7 Standing Desk

Top complaint: FlexiSpot: wobble at max height (19%)
Missing feature: Better cable management solution (14%)
69% positive15% negative
Opportunity

Uplift wins on stability, FlexiSpot on value. Neither has solved the cable management problem well.

Fitness840 reviews

Creatine Monohydrate vs HCl

Top complaint: HCl: premium price not justified (28%)
Missing feature: Clear dosage guidance for different body weights
70% positive15% negative
Opportunity

Monohydrate wins on evidence and price. HCl wins on stomach tolerance. A brand offering both in one product with weight-based dosing wins.

Supplements2,100 reviews

ON Gold Standard vs Dymatize ISO100 Whey Protein

Top complaint: ON: taste inconsistency between batches (23%)
Missing feature: Hydrolyzed isolate at ON's price point (~$1/serving)
72% positive14% negative
Opportunity

ISO100 quality at Gold Standard pricing captures both buyer segments. The $0.40/serving gap is marketing, not production cost.

Home & Health1,560 reviews

Levoit Core 300S vs Coway Airmega 200M

Top complaint: Coway: no smart features / app (27%)
Missing feature: Coway filtration + Levoit smart features at $120-150
68% positive16% negative
Opportunity

True split decision: Levoit wins bedrooms + smart home, Coway wins living rooms + allergies. Neither has both.

Audio2,340 reviews

Sony WH-1000XM5 vs Bose QC45

Top complaint: Sony: doesn't fold, fragile build (31%)
Missing feature: Sony ANC + sound in Bose comfort + folding design
74% positive14% negative
Opportunity

A folding ANC headphone with Sony's processing + Bose's headband at $300 would dominate. The fold problem alone is 31% of Sony complaints.

Gaming1,680 reviews

Logitech G Pro X Superlight 2 vs Razer Viper V3 Pro

Top complaint: Razer: 4K dongle sold separately for $40 (32%)
Missing feature: Razer sensor + clicks in Logitech build + shape at $160
70% positive14% negative
Opportunity

Include 4K polling in the box with Logitech-level QC consistency. The dongle upsell is Razer's biggest unforced error.

Sleep1,920 reviews

Casper Original vs Purple Mattress

Top complaint: Casper: body impressions/sagging after 18-36 months (29%)
Missing feature: Purple cooling + pressure relief in a lighter, cheaper mattress with edge support
72% positive14% negative
Opportunity

Purple cooling tech in a sub-80lb mattress with reinforced edges at $1K. Weight (27%) and edge support (21%) are solvable engineering problems.

Home2,180 reviews

Dyson V15 Detect vs Shark Stratos

Top complaint: Dyson: $750 price tag (34%)
Missing feature: Dyson laser + HEPA + build in Shark anti-wrap + battery at $500
73% positive14% negative
Opportunity

The $350 price gap is the entire debate. Shark delivers 85% of Dyson performance at 53% of the price. A $500 vacuum with both laser and anti-wrap wins.

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