Comparison

Page Translator vs Catalopedia

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Page Translator

Features
Read full description

Page Translator turns printed pages, PDFs, photos and copied text into readable translations. Scan a page with your camera, open a photo or PDF, or import text from another app. Choose a source and target language from more than 50 languages, then translate the content on your device. Live Page Viewer keeps the original page visible while translations stay connected to the source. Tap a line for a quick translation, press and hold for a paragraph, or translate the whole page in a clear, scrollable reading layer. Use Show on Page to return to the matching passage in the original image. Translation cards can be moved, copied, closed, retried and reset without losing the source page. FEATURES • Scan pages with the camera • Use page-alignment guides, tap-to-focus and zoom • Open photos from your photo library • Choose individual photos when using limited Photos access • Import selectable-text or scanned PDFs • Import PDFs up to 25 MB and five pages • Recognise paragraphs, numbered lists and natural sentence structure • Choose automatic or manual source-language recognition • Translate individual lines • Translate complete paragraphs • Translate the whole page in a readable view • Show translated passages on the original photo • Download and manage language packs • Search languages by name • See installed language packs and download progress • Cancel, retry and resume translation • Save pages to history • Organise scanned pages into books • Edit recognised text • Copy or export text to other apps • Choose an accent colour and customise page behaviour • Send pages to Page Reader to hear them read aloud Page Translator makes the meaning of a page easier to understand — whether you are travelling, studying, working or reading something new.

About

Catalopedia

This app serves as a comprehensive encyclopedia for catalytic converters, offering free, unlimited searches. It provides transparent pricing, accurate metal and FX updates, and detailed 3D rendered images with exact measurements. The app also features an AI-powered identification tool and welcomes collaboration for expanding its product catalog.

Highlights
  • Unlimited free catalytic converter searches
  • Transparent pricing with customizable rates
  • Hourly updated metal and FX prices
  • 3D rendered images with exact measurements
  • AI-powered converter identification (Beta)
  • Country-specific product differentiation
  • Collaborative expansion of product catalog
Features
Read full description

Transparent, Convenient, Collaborative Catalytic Converter Recycling App. Catalopedia is a catalytic converter encyclopedia with unlimited free searches to find the exact converter you are looking for. We offer a transparent pricing system, where you can choose your own return rates and other settings and customise the app to your personal requirements. We provide very accurate catalytic converter prices, our metals and FX prices are updated hourly. Our images are 3D rendered and all pictures are digital with exact measurements. Our sampling and analysis systems are refined, with processes to eliminate machine, human error and we do 6 analyses at minimum based on tolerance and deviation criterias to determine the final analysis before publishing on the app. Therefore, the analysis which can be purchased is extremely highly reliable. We differentiate the products by country, as you will realise converters with identical markings have differing analyses, therefore different prices, if they originate from different countries, due to their emission standards. We also have other means to filter the converters to dwindle down the searches. Test our Beta Identify feature. We render several thousand images of different backgrounds, simulating rust, dents etc from our 3D images. Then we feed them to our own AI neural network engine. This engine is able to learn and guess what you are looking for by shortlisting it. It however only works for models in our catalogue and we are training it every day, as we add products. So in the testing phase, it's completely free. We have a highly collaborative mindset. We have a good application, but our products are very limited to a few countries. If your country’s products are not covered in the application, we would be happy to discuss with you and obtain samples to include them in the app. We are also looking for franchise partners who want to be part of our application. We are more than happy to collaborate and share the benefits.

Screenshots

Page Translator4 screens
Catalopedia4 screens

Verdict

The call

The clearest difference is ads: Catalopedia at none against Page Translator's shown. Catalopedia also leads on iOS requirement (13.0 vs 15.5). On price, update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Page Translator sells 1 one-off in-app purchase and Catalopedia sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Page Translator ships an update every 2 weeks, Catalopedia every 3 weeks. The most recent releases landed on October 24, 2026 and October 15, 2026 respectively.

Scorecard2 real differences · 8 level
Page Translator versus Catalopedia: the parameters behind the verdict, then further details
ParameterPage TranslatorCatalopedia
PriceFreeFree
Rating—1.0 (2 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings—2 — better
Update frequencyEvery 2 weeks — betterEvery 3 weeks
AdsYesNo — better
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.513.0 — better
Further details — not scored
Size47 MB61 MB
Age rating4+4+
DeveloperTHE CLEVER APP COMPANY LIMITEDSkrya Pte Ltd

In-app purchases

1 purchases

Page Translator

One-time1
  • Remove Ads$2.99
5 purchases

Catalopedia

One-time5
  • 30 Credits$29.99
  • 66 Credits$59.99
  • 144 Credits$99.99
Show 2 more
  • 225 Credits$179.99
  • 360 Credits$229.99

Questions

Is Page Translator free?
Page Translator is free to download, with in-app purchases available.
Is Catalopedia free?
Catalopedia is free to download, with in-app purchases available.
Do Page Translator or Catalopedia have ads?
Page Translator shows ads; Catalopedia does not.
Which is updated more often, Page Translator or Catalopedia?
Page Translator ships an update every 2 weeks, and Catalopedia every 3 weeks. Most recently, Page Translator was updated on October 24, 2026 and Catalopedia on October 15, 2026.

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