Comparison

Unit Converter HD. vs Convoto

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

Head to head
About

Unit Converter HD.

Easily convert over 700 units across 30 categories with this powerful tool. It offers a user-friendly interface, dark mode support, and a backspace key for quick corrections. Save time on all your measurement conversion needs.

Highlights
  • 700+ Units of Measure
  • 30 Conversion Categories
  • Easy-to-Use Interface
  • Dark Mode Support
  • Backspace Key
Features
Read full description

The most powerful unit converter in the market. Helps you make easy conversion between more than 700+ various units of measure in 30 categories. Discover a universal assistant for all of your unit conversion needs. Features: √ 30 Categories √ 700+ Units of Measure √ Backspace key √ Extremely Easy-to-Use √ Supports Dark Mode Save Your Time. Quickly & Easily! Universer Unit Converter Free HD URL scheme is "EWUnitConverterFree://"

About

Convoto

This app offers a straightforward and fast unit conversion experience, avoiding complex designs. It provides real-time conversions for a wide range of units and currencies, with automatic currency updates and offline functionality. Ideal for professionals, students, and anyone needing quick and accurate conversions.

Highlights
  • Real-time conversions on one screen
  • Automatic currency updates
  • Offline functionality
  • Favorite units for quick access
  • Search units by code or name
  • Supports over 160 currencies
  • Wide range of unit categories
Features
Read full description

Most unit conversion apps go overboard with complex design at the expense of usability, Convoto is gleefully straightforward by comparison. It’s simple to use and features clean, highly readable text that’s easy to see at a distance. Praised by Apple ============= Featured in 130+ countries both in iPhone & iPad Featured on iTunes Home Page Featured on Product Hunt Home Page Featured as Best New App Featured in Apps Enhanced with 3D Touch Top Utilities App Daily Helpers Cooking for Holidays Kitchen Tools ============= It’s the ideal app for engineers, business professionals, travelers, chefs, students, and anyone else who needs to convert units or currencies. Features — One universal download for iPhone, iPod Touch, and iPad — Real time conversions in one screen — Automatic currency updates — Fully functional without the Internet — Favorite units for quick access — Quickly search units by code or unit name — Launch the app into your most used conversion category — Gorgeous and smart calculator — Scroll and tap user experience — Great readability for all ages — Fun, fast and easy to use — Intuitive and colorful interface — Classic color theme on/off Unit and Currency Conversions Convoto can handle — Acceleration — Angle — Area — Clothing & Shoes (Children, women and men) — Cooking (Complete list of units for chefs and anyone who uses online recipes) — Currency (168 currencies with automatic updates) — Data — Data Transfer Speed — Density — Energy — Flow Rate — Force — Frequency — Fuel — Illuminance — Length — Metric Prefixes — Power — Pressure — Radioactivity — Temperature — Time — Torque — Typography — Velocity — Volume — Weight Note: Currency exchange rates are updated when online and stored for off-line use. Convoto is a must-have app for your iPhone and iPad! If you choose to unlock all units and features of Convoto, you can either choose a $0.99 monthly or a $9.99 yearly plan. Prices are in US dollars, may vary in countries other than the US and are subject to change without notice. Subscriptions will be charged to your iTunes account. Your subscription will automatically renew unless canceled at least 24 hours before the end of the current period. You can manage your subscriptions in Account Settings after purchase. If you don't choose to unlock all units and features, you can simply continue to use Convoto for free. Any unused portion of a free trial period, if offered, will be forfeited when you purchase a subscription, where applicable. Terms of Service: http://americostech.com/convoto/terms.html Privacy Policy: http://americostech.com/convoto/privacy.html We’d love to hear from you about Convoto. If you have any concerns, feedback, or questions email us at support@americostech.com

Screenshots

Unit Converter HD.3 screens
Convoto4 screens

Verdict

The call

The clearest difference is review sentiment: Unit Converter HD. at 94% against Convoto's 29%. Unit Converter HD. also leads on rating (4.7 vs 3.1). Convoto's advantage is ads (none vs shown) and update cadence (every 4 weeks vs every 2 months). On price, ratings volume, in-app purchases and monetization model 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 HD. sells 1 one-off in-app purchase and Convoto sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Unit Converter HD. holds the better App Store score, 4.7 against 3.1. Both are backed by a comparable volume of ratings — 645 and 232 respectively. Written reviews point the same way: 94% of Unit Converter HD.'s written reviews are positive against 29% of Convoto's.

UpkeepUpdate frequency

Unit Converter HD. ships an update every 2 months, Convoto every 4 weeks. Both last shipped on November 1, 2026.

Scorecard5 real differences · 5 level
Unit Converter HD. versus Convoto: the parameters behind the verdict, then further details
ParameterUnit Converter HD.Convoto
PriceFreeFree
Rating4.7 (645 ratings) — better3.1 (232 ratings)
Positive reviews93.8% of reviews — better28.8% of reviews
Number of ratings645 — better232
Update frequencyEvery 2 monthsEvery 4 weeks — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.010.0 — better
Further details — not scored
Size86 MB23 MB
Age rating4+4+
Developer良峰 侯Americos Technologies

Customer experience

Unit Converter HD.

All ratings644 ratings
Positive94.7%
Neutral2.2%
Negative3.1%
Written reviews146 reviews
Positive93.8%
Neutral2.7%
Negative3.4%

Convoto

All ratings232 ratings
Positive50.9%
Neutral3.4%
Negative45.7%
Written reviews170 reviews
Positive28.8%
Neutral4.1%
Negative67.1%

User reviews

Unit Converter HD.

From 645 App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Handy and convenient
  • 💡 Comprehensive set of conversions
  • 🚀 Very useful app
  • 👍 Intuitive design

Room to improve

  • 🐛 Occasional crashes or freezing issues
  • 💡 Could be more intuitive for some users
  • 🔒 Requires horizontal orientation

Convoto

From 232 App Store ratings

What we love

  • ⚡ Fast and simple to use
  • 💻 Covers wide range of conversions
  • 🎨 Minimalistic and clean UI
  • 🔍 Useful for daily tasks

Room to improve

  • 💰 Subscription model introduced
  • 🔒 Locked features behind paywall
  • 🔄 Requires constant payments
  • 🚫 No grandfathering for existing users

Bugs and requests

Unit Converter HD.

Reported bugs

2 issues
  • Freezing or crashing on some devices
  • Display issues with certain units

Requested features

3 requests
  • Add support for US weights (tons, lbs., oz.)
  • Implement portrait mode support
  • Provide more customization options

Convoto

Reported bugs

2 issues
  • Currency conversion rates not accurate
  • Certain conversions not working as expected

Requested features

3 requests
  • Landscape mode support
  • Customizable unit categories
  • Ability to save favorite conversions

In-app purchases

1 purchases

Unit Converter HD.

One-time1
  • Remove Ads Pack$1.99
3 purchases

Convoto

Subscriptions2
  • Unlock Everything$1.991 Month
  • Unlock Everything3 Days trial$19.991 Year
One-time1
  • One Time Purchase$49.99

Questions

Is Unit Converter HD. free?
Unit Converter HD. is free to download, with in-app purchases available.
Is Convoto free?
Convoto is free to download, with in-app purchases available.
Which has better reviews, Unit Converter HD. or Convoto?
Unit Converter HD. is rated higher. Unit Converter HD. averages 4.7 out of 5 from 645 ratings, while Convoto averages 3.1 from 232 ratings.
Do Unit Converter HD. or Convoto have ads?
Unit Converter HD. shows ads; Convoto does not.
Which is updated more often, Unit Converter HD. or Convoto?
Unit Converter HD. ships an update every 2 months, and Convoto every 4 weeks. Most recently, Unit Converter HD. was updated on November 1, 2026 and Convoto on November 1, 2026.

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