Comparison

trivum app vs Feedback Trainer

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

Head to head

trivum app

Control your trivum system

Ear Training for PA

About

trivum app

Features

Read full description

Control your trivum SoundSystem up to software version V7 with this app. For newer SoundSystems there is another trivum app available. Please search in the AppStore for "trivum app - V8 and V9 Systems"

About

Feedback Trainer

Features

Read full description

A frequency ear training app for PA engineers and audio professionals. The ability to quickly identify problem frequencies that cause feedback is a skill built through experience. Train your ears with this app and sharpen your instincts for the stage and studio. Features Visual learning with a 31-band graphic EQ display Two modes: Phone-Friendly (100Hz–16kHz) and Full Range for external speakers (40Hz–16kHz) Hint mode for beginners Track your accuracy and progress history Available in Japanese, English, Chinese, French, and Spanish

Screenshots

trivum app4 screens

Feedback Trainer4 screens

Verdict

The call

The clearest difference is ads: trivum app at none against Feedback Trainer's shown. trivum app also leads on iOS requirement (9.0 vs 16.6). Feedback Trainer's advantage is update cadence (every 2 weeks vs every 2 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

trivum app ships an update every 2 months, Feedback Trainer every 2 weeks. The most recent releases landed on October 11, 2026 and October 13, 2026 respectively.

Scorecard3 real differences · 3 level

trivum app versus Feedback Trainer: the parameters behind the verdict, then further details
Parameter	trivum app	Feedback Trainer
Price	Free	Free
Update frequency	Every 2 months	Every 2 weeks — better
Ads	No — better	Yes
In-app purchases	No	No
Devices	iPhone, iPad, iPod — better	iPhone, iPad
Requires iOS	9.0 — better	16.6
Further details — not scored
Size	8 MB	4 MB
Age rating	4+	4+
Developer	Trivum Technologies	Shunsuke Takasu

In-app purchases

None

trivum app

No in-app purchases

None

Feedback Trainer

No in-app purchases

Questions

Is trivum app free?

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

Is Feedback Trainer free?

Feedback Trainer is free to download, with no in-app purchases.

Do trivum app or Feedback Trainer have ads?

Feedback Trainer shows ads; trivum app does not.

Which is updated more often, trivum app or Feedback Trainer?

trivum app ships an update every 2 months, and Feedback Trainer every 2 weeks. Most recently, trivum app was updated on October 11, 2026 and Feedback Trainer on October 13, 2026.