Comparison

SoundConvert vs Interval Chime

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

Head to head
About

SoundConvert

Easily convert audio files between popular formats like MP3, WAV, M4A, and CAF. Share your converted audio via email, messages, and other apps. Offers a simple interface with dark mode support.

Highlights
  • MP3 to WAV, M4A, CAF conversion
  • WAV to M4A, CAF conversion
  • M4A to WAV, CAF conversion
  • Share converted files
  • Simple interface
  • Dark mode support
Features
Read full description

"SoundConvert" converts the format of a sound file. Supported formats are ---------------------- - .mp3 -> .wav (WAVE) - .mp3 -> .m4a (Apple MPEG4) - .mp3 -> .caf (Apple CoreAudio) - .wav -> .m4a (Apple CoreAudio) - .wav -> .caf (Apple CoreAudio) - .m4a -> .wav (WAVE) - .m4a -> .caf (Apple CoreAudio) ---------------------- Converted files can be shared via email, messages, AirDrop, NoteApp, etc. Enjoy the best experience with a simple and easy-to-understand interface that supports dark mode. This free version "SoundConvert" displays the ad at the top of the screen. If you need the full screen version, please use "SoundConvert+". Terms of service http://zekoo2017.blog.fc2.com/blog-entry-4.html

About

Interval Chime

Read full description

Keep track of time with a chime while you study, work, or stretch. Interval Chime sounds at your chosen interval and stops automatically after the number of chimes you set. Create regular time markers without repeatedly checking your screen. For example, choose a 3-minute interval and 5 chimes, then tap Start for a 15-minute session. FREE FEATURES • Interval presets: 1, 3, 5, 10, or 15 minutes • Chime count presets: 1, 3, 5, 10, or 20 • Elapsed time, time until the next chime, and the number of chimes played • Pause, resume, and cancel • Four chime sounds and four color themes • An optional double chime at the end • Saved interval, count, sound, and theme settings • Notifications while your screen is locked or you use another app • Live Activities showing the timer status and your chosen settings PREMIUM — ONE-TIME IN-APP PURCHASE • Customize five interval presets from 1 to 60 minutes, in 1-minute steps • Customize five count presets from 1 to 60 chimes • Touch and hold a preset to edit it • Hide the banner linking to our other apps No subscription. See the price in the app's purchase screen. You can restore your purchase from the same screen. BEFORE YOU START Requires an iPhone with iOS 17.0 or later. Settings cannot be changed while a timer is running or paused. Notifications must be allowed for chimes while the app is in the background or the screen is locked. Notification sounds follow your silent mode, ringer/alert volume, Focus, and other system settings. Chimes while the app is on screen use media volume. Live Activity availability and display depend on your iPhone and system settings. Dynamic Island is available only on supported iPhones. LANGUAGES English, Japanese, and Korean. The app uses your preferred supported language. YOUR DATA Timer settings and session state are stored on your device. No app account is required. Purchases and restores use Apple's App Store, with RevenueCat managing purchase access. See the privacy policy for details.

Screenshots

SoundConvert4 screens
Interval Chime4 screens

Verdict

The call

The clearest difference is ads: Interval Chime at none against SoundConvert's shown. Interval Chime also leads on update cadence (every 4 days vs every 6 weeks). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. SoundConvert sells 2 in-app purchases, starting at $4.49 per month and Interval Chime sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

SoundConvert ships an update every 6 weeks, Interval Chime every 4 days. The most recent releases landed on September 30, 2026 and September 29, 2026 respectively.

Scorecard2 real differences · 7 level
SoundConvert versus Interval Chime: the parameters behind the verdict, then further details
ParameterSoundConvertInterval Chime
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 6 weeksEvery 4 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone
Requires iOS18.617.0 — better
Further details — not scored
Size6 MB9 MB
Age rating4+4+
DeveloperYUKARI KIKUCHINACHI KANEDA

In-app purchases

2 purchases

SoundConvert

Subscriptions2
  • Remove Ads(1month)$4.491 Month
  • Remove Ads(3month)$12.993 Months
1 purchases

Interval Chime

One-time1
  • プレミアム$2.99

Questions

Is SoundConvert free?
SoundConvert is free to download, with in-app purchases available.
Is Interval Chime free?
Interval Chime is free to download, with in-app purchases available.
Do SoundConvert or Interval Chime have ads?
SoundConvert shows ads; Interval Chime does not.
Which is updated more often, SoundConvert or Interval Chime?
SoundConvert ships an update every 6 weeks, and Interval Chime every 4 days. Most recently, SoundConvert was updated on September 30, 2026 and Interval Chime on September 29, 2026.

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