KBI CatApp vs PureZone
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KBI CatApp
Access a comprehensive database of catalytic converter prices, updated daily based on real-time market data and in-house laboratory analysis. Find accurate valuations for your converters.
- Extensive catalytic converter price list
- Daily price updates
- In-house laboratory analysis
- XRF and ICP instrumentation data
- Market-based pricing (platinum, palladium, rhodium)
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With over 10,000 catalytic converters sampled to date, the KBI Catapp has one of the the most accurate and comprehensive lists of converter pricing you'll find. Every price is based on analysis from our in-house laboratory using top of the line XRF and ICP instrumentation. Prices update daily and are based on current platinum, palladium, and rhodium markets.
PureZone
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Choose the classic “Search By Vehicle” lookup to search by your vehicle’s year, make, model, and engine or switch to the updated “Dynamic Search”. With the dynamic search box, you can search for your vehicle by typing part or all your vehicle’s description and selecting from the suggestion list. You can also use the dynamic search box to enter a Purezone part number to get to the product information page or enter an OE or competitor part number to interchange it to a Purezone part.
Screenshots
Verdict
The clearest difference is update cadence: PureZone at monthly against KBI CatApp's every 9 months. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
KBI CatApp ships an update every 9 months, PureZone monthly. The most recent releases landed on October 9, 2026 and October 17, 2026 respectively.
| Parameter | KBI CatApp | PureZone |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 9 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.4 | 15.1 — better |
| Further details — not scored | ||
| Size | 54 MB | 73 MB |
| Age rating | 4+ | 17+ |
| Developer | Kinsbursky Bros. Supply, Inc. | Premium Guard Inc. |
In-app purchases
KBI CatApp
No in-app purchases
PureZone
No in-app purchases
Questions
Is KBI CatApp free?
Is PureZone free?
Do KBI CatApp or PureZone have ads?
Which is updated more often, KBI CatApp or PureZone?
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