Comparison

Tone Generator vs Split The Bill (STB)

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

Head to head
About

Tone Generator

Generate various audio tones like sine, square, sawtooth, and triangle waves across a wide frequency range. Adjust frequencies by swiping and utilize built-in features for fun hearing tests or to clean your device's speaker.

Highlights
  • Sine, square, sawtooth, triangle wave generation
  • Adjustable frequency via swipe
  • Built-in hearing test sweep
  • Speaker cleaning function
  • Large frequency range
Features
Read full description

Tone Generator generates sine, square, sawtooth and triangle tone at a large frequency range. Frequency of the tones can be adjusted by swiping up or down on the screen. Tone Generator has a built-in feature to quickly sweep frequency of a sine tone to test your hearing. This feature is purely for fun and should not be used for any diagnostics. Tone Generator can also help remove dust and water from device's speakerphone by playing tones at various frequencies.

About

Split The Bill (STB)

Features
Read full description

Split The Bill (STB) is a simple and minimalist app for calculating shared expenses between friends, colleagues, and groups. Trips, vacations, road trips, BBQs, house rentals, fuel, groceries, or any shared spending — the app automatically calculates who owes whom. How it works: • Create a party or trip • Add participants • Enter expenses • Get the final settlement instantly Key Features: • Fast expense splitting • Automatic debt calculation • Optimized transfers between participants • Save previous calculations • Share results with friends • Fully offline • No accounts or registration required Split The Bill is built for people who want to spend time with friends, not with spreadsheets. Fair enough. Probably.

Screenshots

Tone Generator4 screens
Split The Bill (STB)4 screens

Verdict

The call

The clearest difference is in-app purchases: Split The Bill (STB) at none against Tone Generator's 1. Split The Bill (STB) also leads on ads (none vs shown) and update cadence (fortnightly vs every 4 months). On price 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. Tone Generator sells 1 one-off in-app purchase. Split The Bill (STB) asks for nothing beyond the download.

UpkeepUpdate frequency

Tone Generator ships an update every 4 months, Split The Bill (STB) fortnightly. Both last shipped on October 15, 2026.

Scorecard4 real differences · 6 level
Tone Generator versus Split The Bill (STB): the parameters behind the verdict, then further details
ParameterTone GeneratorSplit The Bill (STB)
PriceFreeFree
Rating4.8 (138 ratings) — better—
Positive reviews83.7% of reviews—
Number of ratings138 — better—
Update frequencyEvery 4 monthsFortnightly — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.013.0 — better
Further details — not scored
Size6 MB23 MB
Age rating4+4+
DeveloperTevfik YucekDmytro Virych

In-app purchases

1 purchases

Tone Generator

One-time1
  • Remove Advertisements$2.99
None

Split The Bill (STB)

No in-app purchases

Questions

Is Tone Generator free?
Tone Generator is free to download, with in-app purchases available.
Is Split The Bill (STB) free?
Split The Bill (STB) is free to download, with no in-app purchases.
Do Tone Generator or Split The Bill (STB) have ads?
Tone Generator shows ads; Split The Bill (STB) does not.
Which is updated more often, Tone Generator or Split The Bill (STB)?
Tone Generator ships an update every 4 months, and Split The Bill (STB) fortnightly. Most recently, Tone Generator was updated on October 15, 2026 and Split The Bill (STB) on October 15, 2026.

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