Head-to-head · Amazon Price Trackers
Azlo vs Histozon
Azlo leads on 0 checks, Histozon on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreAzlo · 7.9/10
- Free planboth
Azlo scores higher on our rubric for amazon price trackers: 7.9 against 7.8 out of 10; our editors rank them #4 and #5.
Azlo is the better fit for free extension users wanting charts and alerts. Histozon is the better fit for european shoppers comparing Amazon marketplaces.
- Azlo fits best
Free extension users wanting charts and alerts
- Histozon fits best
European shoppers comparing Amazon marketplaces
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Side by side
| Feature | Azlo 7.9/10 Visit ↗ | Histozon 7.8/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 7.9 | 7.8 |
| Ranking | #4 in Amazon Price Trackers | #5 in Amazon Price Trackers |
| Best for | Free extension users wanting charts and alerts | European shoppers comparing Amazon marketplaces |
| Pricing model | Free | Free plan + paid |
| Starting price | Not published | Not published |
| Free plan | ✓ | ✓ |
| Free trial | — | — |
| Deployment | Browser extension | Cloud, Browser extension |
| Platforms | Chrome extension | Web, Chrome extension |
| Built for | Solo, Small business | Solo, Small business |
| Features Azlo 4/4 · Histozon 4/4 | ||
| Price history | ✓ | ✓ |
| Price-drop alerts | ✓ | ✓ |
| Product comparison | ✓ | ✓ |
| Browser extension | ✓ | ✓ |
| Specs | ||
| Tracked Amazon stores | 12+ Amazon marketplaces worldwide; named stores include US, UK, Germany, Japan, Canada, Australia, India, France, Italy, and Spain | 13 Amazon stores: DE, FR, IT, ES, NL, BE, PL, SE, UK, US, Canada, Australia, Japan |
| Our review | ||
| Pros |
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| Cons |
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| Our verdict | Azlo is a free Chrome extension for shoppers who want to follow Amazon prices before buying. It places 30-, 90- and 365-day price charts on product pages, adds an all-time-low badge, and lets users set a target price for email alerts when… Read the review → |
Histozon helps shoppers compare Amazon prices and track price changes across marketplaces. It is aimed at deal hunters, shoppers, and resellers, with particular appeal for European shoppers comparing stores. The service is available on the… Read the review → |
Strengths and trade-offs
Azlo — where it wins
- Shows 30-, 90- and 365-day price charts on Amazon product pages
- Sends email and browser alerts when a target price is reached or undercut
- Tracks third-party seller prices and unlimited products across 12+ marketplaces
Where it doesn't
- Available as a Chrome extension rather than a standalone app
- Marketplace coverage is focused on Amazon rather than broader retail comparison
- Email is the listed support channel
Histozon — where it wins
- Compare products across 13 Amazon stores with currency conversion
- View up to 90 days of price history and deal scores
- Set target-price alerts and distinguish offer types
Where it doesn't
- Price history covers up to 90 days
- The free plan limits the number of alerts
- Bulk tracking and CSV export are Pro features
- Azlo7.9/10 · Free plan
Azlo pairs Amazon price charts with target alerts and unlimited tracking at no cost.
Visit AzloFull verdict → - Histozon7.8/10 · Free plan
A free web and Chrome tool for tracking Amazon prices across marketplaces.
Visit HistozonFull verdict →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update