PrintStream vs Unit Converter
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
PrintStream
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Print photos, PDFs, scanned documents and notes straight from your iPhone or iPad β no cables, no drivers, no sign-up. PrintStream finds your AirPrint printer automatically. Crop, enhance and lay out pages, then tap Print. PRINT ANYTHING β’ Photos from your library or camera, auto-fit to A4, Letter, Legal or A5 β’ PDFs from Files, ready to print in one tap β’ Notes and lists typed right in the app β’ Color or grayscale in one switch SCAN DOCUMENTS β’ Document scanner with automatic edge detection β’ Crop, straighten and print a clean copy EDIT BEFORE YOU PRINT β’ Crop with free, 1:1, 4:3, 3:2 or 16:9 ratios β’ Rotate and apply B&W, Sepia or Negative filters SAVE PAPER β’ Batch print many photos at once β’ 2-up and 4-up layouts, plus ID card front and back PRIVATE BY DESIGN β’ Your documents go from your device to your printer β never to our servers β’ Print history and saved PDFs stay on your device β’ No account needed PRINTSTREAM PREMIUM Unlock no-watermark prints, the document scanner, batch printing, all filters and saved files. Payment is charged to your Apple ID at confirmation of purchase. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel in your App Store account settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://emrekotun.github.io/print_stream_privacy_policy/
Unit Converter
This free unit converter offers over 40 categories and 200+ currencies with live exchange rates. It features batch conversion, offline functionality, and a user-friendly interface with dark mode. All features are permanently free with no sign-up or data collection.
- 40+ conversion categories
- 200+ currencies with live rates
- Batch conversion
- Offline functionality
- Dark mode
- CSV export
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ConvertMaster is a completely free, ad-free unit converter. Launch and go. No sign-up. No data collection. All 40 categories are permanently free. No paywalls. ALL FEATURES FREE FOREVER: β’ 40 categories β currency, length, weight, area, volume, temperature, speed, time, pressure, energy, power, data storage, cooking, angle, fuel, force, torque and more β’ 200+ currencies with live exchange rates, updated hourly β’ Currency picker with search β find any currency instantly β’ Multilingual currency names (CLDR standard) β’ Home page ranks categories by your usage frequency β’ Restores your last-used category on launch β’ Batch convert β enter multiple values, see all results instantly β’ CSV export for batch results β’ Metric and imperial side by side β’ Scientific notation for extreme values β’ Dark mode β’ 100% offline (except live currency rates) No account. No sign-up. No data collection. No internet required (except live rates). Most converters limit their currency list or lock categories behind paywalls. ConvertMaster gives you everything β 200+ currencies with search, 40 categories β all for free, forever. Voluntary support available in app β optional, never nagged. No data collected. No tracking. No sharing. Your numbers, on your device only.
Screenshots
Verdict
The clearest difference is iOS requirement: Unit Converter at 13.0 against PrintStream's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. PrintStream sells 3 in-app purchases, starting at $6.99 per 7 days and Unit Converter sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
PrintStream ships an update fortnightly, Unit Converter every 10 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.
| Parameter | PrintStream | Unit Converter |
|---|---|---|
| Price | Free | Free |
| Positive reviews | β | 100.0% of reviews |
| Update frequency | Fortnightly | Every 10 days β better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | β | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod β better |
| Requires iOS | 17.0 | 13.0 β better |
| Further details β not scored | ||
| Size | 14 MB | 25 MB |
| Age rating | 4+ | 9+ |
| Developer | EMRE KOTUN | η£ ε |
In-app purchases
PrintStream
- Weekly Premium Access$6.997 Days
- Yearly Premium Access$39.991 Year
- Lifetime Premium$59.99
Unit Converter
- Unit Conversion Standard Version$2.99
- Unit Conversion Pro Edition$5.99
Questions
Is PrintStream free?
Is Unit Converter free?
Do PrintStream or Unit Converter have ads?
Which is updated more often, PrintStream or Unit Converter?
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