Comparison

Smrtome Bell vs Trombone Level

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

Head to head

About

Smrtome Bell

Features

Read full description

Wifi video doorbell When visitors trigger the doorbell, it will push fast notification, do not miss any visitors. Intelligent night vision, it can see clearly the perfect image in the daytime and night. PIR motion detection, ensure the security of your home. Remote monitoring, wake up the doorbell by APP, monitor at any time and anywhere. Battery powered with long standby time, wire-free, easy to install.

About

Trombone Level

Features

Read full description

Check your trombone playing level and evaluate with a score

Screenshots

Smrtome Bell3 screens

Trombone Level1 screens

Verdict

The call

The clearest difference is ads: Smrtome Bell at none against Trombone Level's shown. Smrtome Bell also leads on iOS requirement (9.0 vs 15.0). Trombone Level's advantage is update cadence (every 2 weeks vs every 8 months). On price, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Smrtome Bell ships an update every 8 months, Trombone Level every 2 weeks. The most recent releases landed on October 26, 2026 and October 15, 2026 respectively.

Scorecard3 real differences · 3 level

Smrtome Bell versus Trombone Level: the parameters behind the verdict, then further details
Parameter	Smrtome Bell	Trombone Level
Price	Free	Free
Update frequency	Every 8 months	Every 2 weeks — better
Ads	No — better	Yes
In-app purchases	No	No
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	9.0 — better	15.0
Further details — not scored
Size	48 MB	40 MB
Age rating	4+	4+
Developer	孟初禹	Hideaki Uchikoshi

In-app purchases

None

Smrtome Bell

No in-app purchases

None

Trombone Level

No in-app purchases

Questions

Is Smrtome Bell free?

Smrtome Bell is free to download, with no in-app purchases.

Is Trombone Level free?

Trombone Level is free to download, with no in-app purchases.

Do Smrtome Bell or Trombone Level have ads?

Trombone Level shows ads; Smrtome Bell does not.

Which is updated more often, Smrtome Bell or Trombone Level?

Smrtome Bell ships an update every 8 months, and Trombone Level every 2 weeks. Most recently, Smrtome Bell was updated on October 26, 2026 and Trombone Level on October 15, 2026.