Comparison

ClasSong vs Registered Electrical Worker

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

Head to head
About

ClasSong

Features
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Little voices. Big discoveries. ClasSong turns learning topics into personalized songs for children. Choose a topic, select the children who will join the song, and start a musical discovery with their names. 22 CATEGORIES, 1,100 TOPICS Explore letters, numbers, colors, animals, nature, space and more. Each category has 50 lessons arranged in a thoughtful sequence. A SONG OF THEIR OWN Your child’s name, age and selected learning language guide the creation. Include one child or several children in the same song. Learning is available in English, Turkish, German, Arabic, Spanish and French. LISTEN, SING AND DISCOVER AGAIN Track creations in My Music, choose favorites and download ready recordings. Recordings remain available for 14 days, then leave your music library while learning data stays. Download songs you want to keep before they expire. CELEBRATE LITTLE STEPS Follow daily goals, category progress and a weekly music report. Child profiles have separate progress records. Choose the times and days for optional reminders. 14 MINI GAMES Explore numbers, colors, shapes and rhythm. Open games from Home or play while a song is being prepared. START AS A FAMILY Your family receives one song creation credit at first registration. The first two child profiles are free. A one-time family unlock supports additional profiles; song credits are separate. Purchases are for parents. Extra song credits are available in packs or auto-renewing weekly and monthly plans. The weekly plan includes 10 credits; the monthly plan includes 40. Prices and terms appear before purchase. Subscriptions renew unless canceled at least 24 hours before the current period ends. Manage subscriptions in your Apple account settings. Made by CIANCODE. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Registered Electrical Worker

Features
Read full description

A study companion for the Hong Kong Construction Industry Council Trade Test for Grade A Electrical Work (written test), often called the electrician A licence exam. Content is in Traditional Chinese. ORGANISED BY THE OFFICIAL SYLLABUS β€’ Unit 1: Legislation and Code of Practice β€” Electricity Ordinance and subsidiary regulations, Code of Practice for the Electricity (Wiring) Regulations β€’ Unit 2: Craft, safety and ethics β€” distribution, cables, wiring and conduits, circuits, protection, inspection and testing, electrical theory β€’ Unit 3: Cable colour identification FEATURES β€’ 1,250 original practice questions checked against the 2025 Code of Practice, with clause references and explanations β€’ Worked calculations for theory questions β€’ Timed mock practice: 100 questions in 75 minutes (20 from Unit 1, 80 from Unit 2), scored per unit (70% and 60% required) β€’ Topic practice, wrong-answer book, bookmarks, notes and statistics β€’ Progress sync across devices FREE AND PRO Try some questions free. Pro unlocks unlimited practice for 90 days. Pro is a one-time purchase and does not renew automatically. DISCLAIMER This is an independent study tool, not an official product of the Construction Industry Council or the Electrical and Mechanical Services Department. All questions are original practice material and passing is not guaranteed. Always follow the official announcements: https://www.cic.hk/en/trade-tests/grade-a Terms of Use: https://www.10minquiz.com/zh-hant/terms-of-use Privacy Policy: https://www.10minquiz.com/zh-hant/privacy-policy

Screenshots

ClasSong4 screens
Registered Electrical Worker4 screens

Verdict

The call

The clearest difference is iOS requirement: Registered Electrical Worker at 15.6 against ClasSong'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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. ClasSong sells 8 in-app purchases, starting at $4.49 per 7 days and Registered Electrical Worker sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

ClasSong ships an update every 4 days, Registered Electrical Worker every 2 days. The most recent releases landed on October 26, 2026 and October 29, 2026 respectively.

Scorecard1 real difference Β· 5 level
ClasSong versus Registered Electrical Worker: the parameters behind the verdict, then further details
ParameterClasSongRegistered Electrical Worker
PriceFreeFree
Update frequencyEvery 4 daysEvery 2 days β€” better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPad, iPod β€” better
Requires iOS17.015.6 β€” better
Further details β€” not scored
Size30 MB75 MB
Age rating4+4+
DeveloperCihan AlisonPickmy AI

In-app purchases

8 purchases

ClasSong

Subscriptions2
  • Weekly 10 Song Credits$4.497 Days
  • Monthly 40 Song Credits$16.491 Month
One-time6
  • Family Space$1.00
  • 20 Song Credits$9.99
  • 50 Song Credits$22.99
Show 3 more
  • 100 Song Credits$44.99
  • 500 Song Credits$214.99
  • 1000 Song Credits$419.99
2 purchases

Registered Electrical Worker

One-time2
  • 90-day Pro Offer$19.99
  • Pro 90 Days$22.99

Questions

Is ClasSong free?
ClasSong is free to download, with in-app purchases available.
Is Registered Electrical Worker free?
Registered Electrical Worker is free to download, with in-app purchases available.
Do ClasSong or Registered Electrical Worker have ads?
Neither ClasSong nor Registered Electrical Worker shows ads.
Which is updated more often, ClasSong or Registered Electrical Worker?
ClasSong ships an update every 4 days, and Registered Electrical Worker every 2 days. Most recently, ClasSong was updated on October 26, 2026 and Registered Electrical Worker on October 29, 2026.

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