World Number Translator vs Numfred
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
World Number Translator
This app helps you learn and practice spelling numbers in over 50 languages. It offers unique input methods for quick counting and a game to test your recognition skills. Ideal for language learners and anyone needing to write numbers in foreign scripts.
- Translate numbers to spelled-out words
- Practice counting in foreign languages
- Odometer-style input for quick counting
- Calculator-style input
- Fast-paced number recognition game
- Supports over 50 languages
- Includes Latinized spellings for pronunciation
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Have you ever noticed it can be hard to learn to say and spell numbers in different languages because you never see them spelled out in writing? You might see "Uno Dos Tres, ..." in one chapter in your textbook, and then never again. So I created this app to to solve the problem (and just because I wanted to learn to count in other languages ;-). It's great for practice because it has a special "Odometer" style input that makes it easy to quickly count up and down by ones, tens, hundreds, etc. Of course it has a calculator-style input, too. And for practice recognizing numbers it has a fast-paced game: see the spelled number and tap in the digits as fast as you can. Here are some of the things Polynumial is useful for: • Quick translation of numbers into spelled-out words. • Learning to count in another language • Writing out a number on a check • Practicing number translation. It translates over 50 languages (see the list below). For most languages when you enter a number Polynumial shows the spelled-out version, like "cuarenta y dos" for 42 in Spanish. For many languages that aren't based on the latin alphabet it also supports the 'latinized' spellings, to help you remember how to pronounce them. So in Chinese the number 1,234 is spelled "一千二百三十四“, and the pronounceable version (in pinyin) is "yī qiān èr bǎi sān shí sì". Languages Included: Afrikaans Akan (Ghana) Albanian Arabic Armenian Azerbaijani Belarusian Bosnian Bulgarian Burmese (Myanmar) Catalan (Spain) Chakma (India, Bangladesh, Myanmar) Cherokee (United States) Chinese (Mandarin) Croatian Czech Danish Dutch (Netherlands) English Esperanto (World) Estonian Ewe (Ghana) Faroese Filipino Finnish French Fulah (West Africa) Georgian German German (Switzerland) Greek Hebrew Hindi Hungarian Icelandic Indonesian Irish Italian Kalaallisut (Greenland) Korean Kymer (Cambodia) Lao (Laos) Latvian Lithuanian Luxembourgish Macedonian Malay Maltese Norwegian: Bokmål & Nynorsk Northern Luri (Iraq, Iran) Northern Sami (Finland, Norway, Sweden) Persian Polish Portuguese Quechua (South America) Romanian Russian Serbian (Cyrillic & Latin) Slovak Slovenian Spanish Swahili (Central Africa) Swedish Tamil (Sri Lanka) Thai Turkish Ukrainian Vietnamese Welsh
Numfred
This app helps users improve their ability to recognize spoken numbers in 13 languages. It offers two learning modes: listening and typing, or typing and listening, with options for offline learning and adjustable difficulty.
- Recognize spoken numbers
- Practice numbers in 13 languages
- Listen & Type learning mode
- Type & Listen learning mode (Premium)
- Offline learning
- Adjustable voice speed (Premium)
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Numfred trains a core skill in language learning: recognizing spoken numbers with confidence. Perfect for language courses, work, and school. Boost your listening comprehension and learn numbers in 15 languages: English, Spanish, French, Chinese, German, Italian, Japanese, Korean, Russian, Portuguese, Swedish, Dutch, Turkish, Polish, and Czech. Learning Mode 1 “Listen & Type” Hear a number, type it. Got it right? The next one appears instantly—an easy, game-like flow with quick wins for beginners and advanced learners. Learning Mode 2 „Type & Listen“ (Premium) Type any number and hear how it’s pronounced. Use the Step button to practice in increments of 1, 10, 100, or 1,000—ideal for beginners and for rapid drills in specific number ranges. Try it now: Download Numfred and try Basic with no time limit or sign-up required. Basic - Learn numbers in 15 languages - Learning Mode 1 “Listen & Type” (three skill levels) - Limited number ranges - Learn offline - No ads Premium (one-time purchase, no subscription) - Learn numbers in 15 languages - Learning Mode 1 “Listen & Type” (three skill levels) - Learning Mode 2 „Type & Listen“ - Extended number ranges up to 999,999 - Adjustable voice speed - Configurable digit grouping (3-digit or 4-digit/myriads) - Custom number separators - Learn offline - No ads
Screenshots
Verdict
The clearest difference is rating: World Number Translator at 4.8 against Numfred's 4.0. World Number Translator also leads on ratings volume (158 vs 1) and device support (3 vs 1). Numfred's advantage is ads (none vs shown). On price, update cadence, 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
Both are free to download. World Number Translator sells 1 one-off in-app purchase and Numfred sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
World Number Translator holds the better App Store score, 4.8 against 4.0. That said, the two scores are not equally well evidenced: World Number Translator has 158 ratings behind it against 1, so its average is the more settled of the two.
World Number Translator ships an update every 2 months, Numfred every 6 weeks. The most recent releases landed on October 16, 2026 and October 15, 2026 respectively.
| Parameter | World Number Translator | Numfred |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (158 ratings) — better | 4.0 (1 ratings) |
| Positive reviews | 86.7% of reviews | — |
| Number of ratings | 158 — better | 1 |
| Update frequency | Every 2 months | Every 6 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 11 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | David Richmond | Frank Benkelmann |
Customer experience
World Number Translator
Numfred
In-app purchases
World Number Translator
- Upgrade$2.99
Numfred
- Premium$9.99
Questions
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