Comparison

RSSBud vs Unit Converter

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

Head to head
About

RSSBud

Discover and subscribe to RSS feeds from websites and apps. This open-source tool helps you stay updated with content you love, offering automatic URL expansion and integration with popular RSS readers.

Highlights
  • Detect RSS and RSSHub feeds
  • Discover relevant RSS feeds
  • Optimized for mobile environments
  • Share sheet extension
  • Fast subscription to RSS readers
  • Edit RSSHub feed parameters
  • Automatic rule updates
Features
Read full description

Discover and subscribe to RSS feeds in a flash with RSSBud, a completely free and open-source tool! Designed to uncover and subscribe to RSS feeds from various websites and apps, this tool can become your vital partner in staying up-to-date with all the content you love. Key Features: - Detect RSS feeds in web pages. - Detect RSSHub feeds appropriate for web pages (supports all rules of RSSHub Radar). - Discover other RSS feeds relevant to web pages (powered by RSSBud Rules). - Specifically optimized for mobile environments, expanding URLs automatically and adapting to mobile sub-domains. - Share sheet extension available for quick sharing of your favorite feeds. - Fast subscription to major RSS readers including Reeder, Fiery Feeds, and Ego Reader, as well as system default RSS reader. - Fast subscription to web clients of Tiny Tiny RSS, Miniflux, Fresh RSS, Feedly, Inoreader, Feedbin, The Old Reader, and Feeds Pub. - Edit parameters for RSSHub feeds to suit your needs. - Rules are automatically kept up to date. - Support for x-callback-url — use with the Shortcuts app to open a world of possibilities. With a user-friendly interface and an array of customizable options, RSSBud strives for a fluid and gratifying user experience every time. Enjoy its entire feature list at no cost at all, while being assured of its reliability and transparency, thanks to its open-source status.

About

Unit Converter

This utility app offers conversion for over 100 units across 18 categories, including length, mass, temperature, and digital storage. It supports a wide range of specific units within each category and provides a clean, ad-free interface for quick conversions.

Highlights
  • 18 unit categories
  • Over 100 units supported
  • Ad-free experience
  • Supports multiple devices
  • Pro version with free trial
Read full description

Support 18 categories of units, convert over 100+ units: - Angle: Degrees, Radians, Grad, Arcseconds, Arcminutes, Revolutions - Area: Mm², Square Kilometers, Square Meters, Square Centimeters, Mm², Μm², Nm², Square Inches, Square Feet, Square Yards, Square Miles, Acres, Ares, Hectares - Base: Binary, Octal, Decimal, Hexadecimal - Digital Storage: Bits, Bytes, Mib, Gib, Tib, Pib, Megabytes, Gigabytes, Terabytes, Petabytes - Electric Charge: C, Mah, Kah, Ah, Mah, Μah - Electric Potential Difference: Mv, Kv, Volts, Mv, Μv - Electric Resistance: Mω, Kω, Ohms, Mω, Μω - Energy: Kilojoules, Joules, Kilocalories, Calories, Kilowatt-Hours - Frequency: Thz, Gigahertz, Megahertz, Kilohertz, Hertz, Mhz, Μhz, Nhz - Fuel Efficiency: Liters Per 100 Kilometers, Miles Per Gallon, Miles Per Imp. Gallon - Length: Millimeters, Centimeters, Decimeters, Meters, Kilometers, Light Years, Inches, Feet, Yards, Miles - Mass: Kilograms, Grams, Dg, Cg, Milligrams, Micrograms, Ng, Pg, Ounces, Pounds, Stones, Metric Tons, Tons, Carats, Troy Ounces, Slug - Power: Tw, Gigawatts, Megawatts, Kilowatts, Watts, Milliwatts, Μw, Nw, Pw, Fw, Horsepower - Pressure: N/M², Gpa, Mpa, Kpa, Hectopascals, Inches Of Mercury, Bar, Millibars, Millimeters Of Mercury, Pounds-Force Per Square Inch - Speed: Kilometers Per Hour, Meters Per Second, Knots - Temperature: Degrees Celsius, Degrees Fahrenheit, Kelvins - Time (Duration): Milliseconds, Seconds, Minutes, Hours, Days, Weeks, Months, Years, Decade, Century - Volume: Megaliters, Kl, Liters, Deciliters, Centiliters, Milliliters, Cubic Kilometers, Cubic Meters, Dm³, Mm³, Cubic Inches, Cubic Feet, Cubic Miles Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

RSSBud4 screens
Unit Converter4 screens

Verdict

The call

The clearest difference is review sentiment: Unit Converter at 100% against RSSBud's 50%. Unit Converter also leads on rating (4.9 vs 4.6) and update cadence (every 9 days vs every 6 weeks). RSSBud's advantage is in-app purchases (none vs 4). On price, ratings volume, ads and iOS requirement 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. Unit Converter sells 4 in-app purchases, starting at $0.99 per month. RSSBud asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Unit Converter holds the better App Store score, 4.9 against 4.6. Both are backed by a comparable volume of ratings — 28 and 18 respectively. Written reviews point the same way: 50% of RSSBud's written reviews are positive against 100% of Unit Converter's.

UpkeepUpdate frequency

RSSBud ships an update every 6 weeks, Unit Converter every 9 days. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

Scorecard6 real differences · 4 level
RSSBud versus Unit Converter: the parameters behind the verdict, then further details
ParameterRSSBudUnit Converter
PriceFreeFree
Rating4.6 (28 ratings)4.9 (18 ratings) — better
Positive reviews50.0% of reviews100.0% of reviews — better
Number of ratings28 — better18
Update frequencyEvery 6 weeksEvery 9 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac, Vision Pro — better
Requires iOS15.015.0
Further details — not scored
Size23 MB15 MB
Age rating4+4+
Developer承宇 张ZIJIAN CHEN

Customer experience

RSSBud

All ratings27 ratings
Positive92.6%
Neutral3.7%
Negative3.7%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Unit Converter

All ratings15 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

RSSBud

No in-app purchases

4 purchases

Unit Converter

Subscriptions1
  • Pro Version (1 Month)14 Days trial$0.991 Month
One-time3
  • 1 cup of orange juice.$0.99
  • 1 litre of orange juice.$2.99
  • Pro Version (Lifetime)$3.99

Questions

Is RSSBud free?
RSSBud is free to download, with no in-app purchases.
Is Unit Converter free?
Unit Converter is free to download, with in-app purchases available.
Which has better reviews, RSSBud or Unit Converter?
Unit Converter is rated higher. RSSBud averages 4.6 out of 5 from 28 ratings, while Unit Converter averages 4.9 from 18 ratings.
Do RSSBud or Unit Converter have ads?
Neither RSSBud nor Unit Converter shows ads.
Which is updated more often, RSSBud or Unit Converter?
RSSBud ships an update every 6 weeks, and Unit Converter every 9 days. Most recently, RSSBud was updated on October 24, 2026 and Unit Converter on October 21, 2026.

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