. vs Trombone Level
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
.
Design custom transparent widgets for your home screen. This utility app allows you to create blank spaces for a personalized aesthetic without any subscriptions or in-app purchases.
- Create transparent widgets
- Home screen decoration
- Personalized aesthetic
- No subscription required
- No in-app purchases
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Create transparent widgets with A Blank. It's your golden partner for home screen decoration. • No subscription • No in-app purchase
Trombone Level
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Check your trombone playing level and evaluate with a score
Screenshots
Verdict
The clearest difference is ads: . at none against Trombone Level's shown. Trombone Level's advantage is update cadence (every 2 weeks vs every 2 months). On price, in-app purchases, device support 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
. ships an update every 2 months, Trombone Level every 2 weeks. The most recent releases landed on September 15, 2026 and September 29, 2026 respectively.
| Parameter | . | Trombone Level |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (4 ratings) — better | — |
| Positive reviews | 25.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 2 months | Every 2 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 43 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | 倩倩 李 | Hideaki Uchikoshi |
In-app purchases
.
No in-app purchases
Trombone Level
No in-app purchases









