Astra by Sellrbox vs BidX
A side-by-side comparison for e-commerce sellers — platforms, pricing, free trials and ROI.
Amazon PPC automation with full-funnel campaigns per ASIN and unlimited strategist support
Amazon PPC and Walmart Connect automation with AI keyword research, bid rules and DSP/AMC analytics
| Category | Ad Creative | Ad Creative |
|---|---|---|
| Platforms | Amazon | Amazon DTC |
| Pricing | From $149/mo + 1.75% of ad revenue; 30-day free trial | From €495/mo + % of ad spend |
| Free trial | Yes | No |
| Affiliate program | Direct | PartnerStack |
| ROI | Get full-funnel campaigns on every ASIN with a strategist on call, without agency retainers. | Cut campaign setup and bid management time while the software works ROAS up over weeks. |
Which should you choose?
Amazon brands that want automation plus experienced humans without an agency retainer.
Brands and agencies with meaningful Amazon ad budgets who want automation plus human help when needed.
Astra by Sellrbox
Pros
- Strategists who run their own brands
- Charges on ad revenue, not ad spend
- Generous trial
Cons
- Percentage fee scales with success
- Amazon only
- Less control for hands-on PPC managers
BidX
Pros
- Amazon Advanced Partner with 2,000+ customers
- Free audit before committing
- Walmart Connect support
Cons
- €495/month plus a percentage of spend
- No self-serve trial
- Interface geared to teams, not solo sellers
Other tools to consider
AI marketing copilot for product descriptions and brand-voice copy at scale
Generate conversion-focused ad creatives and copy in seconds
Influencer, affiliate and referral programs that turn customers and creators into a sales channel
First-party affiliate tracking and payouts for e-commerce brands — no cookies, no redirects
Programmatic direct mail for Shopify brands: triggered postcards, win-backs and AI-targeted prospecting
Amazon seller analytics: reconciled profit, P&L, PPC, LTV and market share, refreshed every 30 minutes