Comparison

Phase Timer Pro vs 369Sonic

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

Head to head

Multi-Step Timer

About

Phase Timer Pro

Features

Currently charting

#180Top Paid · Utilities

Read full description

Fully customisable phase timer featuring groupable steps which can be configured to include audio/visual notifications for timed sequences. Can be used for anything from Chemistry Lab tests to Physical Fitness training. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

369Sonic

Features

Read full description

369Sonic is an application designed for easy and intuitive control of ultrasonic knives and cutters. It allows users to change blade types and customize settings such as cutting frequency. The application also provides useful real-time information, including current performance, temperature, and battery charge status.

Screenshots

Phase Timer Pro4 screens

369Sonic4 screens

Verdict

The call

The clearest difference is price: 369Sonic at Free against Phase Timer Pro's $4.99. 369Sonic also leads on in-app purchases (none vs 1) and update cadence (every 9 days vs every 19 months). Phase Timer Pro's advantage is chart position (#180 vs unranked). On ads 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

369Sonic is free to download; Phase Timer Pro costs $4.99 up front. Phase Timer Pro sells 1 in-app purchase, starting at $9.99 per year. 369Sonic asks for nothing beyond the download.

UpkeepUpdate frequency

Phase Timer Pro ships an update every 19 months, 369Sonic every 9 days. The most recent releases landed on October 7, 2026 and September 30, 2026 respectively.

Scorecard5 real differences · 2 level

Phase Timer Pro versus 369Sonic: the parameters behind the verdict, then further details
Parameter	Phase Timer Pro	369Sonic
Price	$4.99	Free — better
Update frequency	Every 19 months	Every 9 days — better
Ads	No	No
In-app purchases	Yes	No — better
Best chart rank	#180 — better	—
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	15.0	13.0 — better
Further details — not scored
Size	2 MB	46 MB
Age rating	4+	4+
Developer	Freestyle Photo & Imaging	369sonic s.r.o.

In-app purchases

1 purchases

Phase Timer Pro

Subscriptions1

Phase Timer Pro$9.991 Year

None

369Sonic

No in-app purchases

Questions

Is Phase Timer Pro free?

Phase Timer Pro costs $4.99, and also offers in-app purchases.

Is 369Sonic free?

369Sonic is free to download, with no in-app purchases.

Do Phase Timer Pro or 369Sonic have ads?

Neither Phase Timer Pro nor 369Sonic shows ads.

Which is updated more often, Phase Timer Pro or 369Sonic?

Phase Timer Pro ships an update every 19 months, and 369Sonic every 9 days. Most recently, Phase Timer Pro was updated on October 7, 2026 and 369Sonic on September 30, 2026.