Choir Practice vs Passive Voice Master
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Choir Practice
Study your choir music anywhere with this app. Isolate your part, adjust its volume, and follow along with synchronized sheet music. Create playlists for focused practice or use it during live events.
- Isolate and adjust vocal part volume
- Synchronized sheet music with audio
- Create custom practice playlists
- Use as a background track for live events
- Project sheet music for group viewing
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Choir Practice is an app that let's you study your choir part anywhere. Download a song, select your part and use a slider to make your part louder of softer in the mix. Sheet music is integrated and scrolls synchronously with audio. Click on a song part button to jump to the second verse of which you always forget the lyrics. Create your own playlist to study multiple parts in your car or while you are working. Create an account or be invited by your choir administrator to download the songs that your choir already purchased. Use the background track from to accompany your choir during a live event. Connect a beamer/projector to your iPad and put it in front of the conductor so the whole choir can read along, while looking at the conductor. Be a modern choir! And have fun, study faster and sing more songs! It makes the world a happier place.
Passive Voice Master
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Passive Voice Master turns one of English grammar’s most confusing topics into a clear, practical learning experience. Start with the logic of passive voice, see exactly how each sentence changes, and practice until the structure feels natural. The app combines a guided converter, complete topic lessons, colorful sentence breakdowns, and focused quizzes in one place. SMART ACTIVE ↔ PASSIVE CONVERTER • Convert clear active sentences into passive voice • Convert passive sentences back into active voice • See the detected tense and the correct passive formula • Follow a step-by-step explanation of every transformation • Use Builder mode for negatives, modals, unusual verbs, and multi-word subjects • Copy the result instantly • Get helpful guidance when a verb does not form a natural passive COMPLETE PASSIVE VOICE ACADEMY Study 13 detailed lessons from foundation to advanced structures: • Present Simple and Past Simple Passive • Present and Past Continuous Passive • Present and Past Perfect Passive • Future Passive • Present and Past Modal Passives • Causatives with have and get • Verbs with Two Objects • Impersonal and Personal Reporting Passives • Passive Gerunds and Infinitives • Get Passive, questions, negatives, and special forms Each lesson includes the core formula, sentence anatomy, usage notes, transformation steps, real examples, common mistakes, and a short interactive check. 130 TOPIC-BASED QUESTIONS Choose any of the 13 topics and answer 10 questions designed to move from easy recognition to more challenging use. Immediate feedback explains why an answer is correct, so every question becomes part of the lesson. BUILT FOR SERIOUS LEARNING • Clear A2–C1 progression • Color-highlighted auxiliary verbs and past participles • Searchable lesson library • No account required • Works as a focused grammar reference for school, exams, and self-study Passive Voice Master is a rule-based learning assistant. For names, highly unusual verbs, phrasal verbs, and complex clauses, review the explanation before using a converted sentence in formal writing.
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Verdict
The clearest difference is in-app purchases: Passive Voice Master at none against Choir Practice's 1. Choir Practice's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 80 months). On price and device support 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. Choir Practice sells 1 one-off in-app purchase. Passive Voice Master asks for nothing beyond the download.
Choir Practice ships an update every 3 weeks, Passive Voice Master every 80 months. The most recent releases landed on October 3, 2026 and October 12, 2026 respectively.
| Parameter | Choir Practice | Passive Voice Master |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 weeks — better | Every 80 months |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 58 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Johan Velthuis | irin Tanrverdi |
In-app purchases
Choir Practice
- Song Credit$3.99
Passive Voice Master
No in-app purchases
Questions
Is Choir Practice free?
Is Passive Voice Master free?
Do Choir Practice or Passive Voice Master have ads?
Which is updated more often, Choir Practice or Passive Voice Master?
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