Comparison

SpeakLine vs BPM Inspector

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

Head to head
About

SpeakLine

Transform written text into spoken audio with a variety of voices and languages. This app allows you to import documents, customize speech speed and pitch, and even export your audio. Enjoy a free, ad-free experience with optional support for ongoing development.

Highlights
  • Convert text to speech
  • Import TXT/RTF files
  • Export audio as CAF
  • Multiple system voices
  • Adjust speech speed and pitch
  • SSML markup support
Read full description

SpeakLine lets your iPhone or iPad talk to you! Type some text, select a voice, and your iPhone or iPad reads it out loud. Enjoy your words with funny voices or read texts in native languages. FEATURES: • Import TXT or RTF files • Export your texts as an CAF audio file • Select between multiple system voices in different languages • Use your personal voices (only works on some devices) • Change the speed and pitch of the reading voice • Customize the UI with different appearance settings • Install more system voices via the system settings • Support for SSML markup to control voice properties All In-App Purchases are entirely optional. You can use SpeakLine completely free without any ads or limitations! Your tips will support the ongoing development over the last decade. *SpeakLine only uses the preinstalled system voices. They are all licensed under the Apple Software License Agreements (SLA).

About

BPM Inspector

Features
Read full description

How well can you feel the beat? BPM Inspector helps you discover the tempo of music playing around you and turn it into a challenge. Built for electronic music lovers, it brings together live BPM detection, friendly competition, and memories from the dancefloor. DETECT THE TEMPO Use your microphone to analyze music and measure its BPM—beats per minute—in real time. Explore the rhythm at a party, a festival, or at home. TRUST YOUR INSTINCTS Guess the BPM before checking the result. Challenge your friends, compare estimates, and discover how closely you can sense the tempo. START A CONVERSATION “What do you think the BPM is?” One simple question can break the ice with someone dancing next to you. Make discovering music a shared experience. KEEP YOUR DANCEFLOOR STORIES Save your inspections with DJ names and party details. Build a personal record of the music, places, and moments you want to remember. FOLLOW YOUR PROGRESS Review your stats, earn new ranks, and compare your achievements with other inspectors. From your first guess to your next festival, follow your curiosity—and the beat. Microphone access is required to analyze music playing around you.

Screenshots

SpeakLine4 screens
BPM Inspector3 screens

Verdict

The call

The clearest difference is in-app purchases: BPM Inspector at none against SpeakLine's 3. BPM Inspector also leads on update cadence (every 4 days vs every 2 months). SpeakLine's advantage is device support (4 vs 2). On price, ads 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. SpeakLine sells 3 one-off in-app purchases. BPM Inspector asks for nothing beyond the download.

UpkeepUpdate frequency

SpeakLine ships an update every 2 months, BPM Inspector every 4 days. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
SpeakLine versus BPM Inspector: the parameters behind the verdict, then further details
ParameterSpeakLineBPM Inspector
PriceFreeFree
Rating4.4 (127 ratings) — better—
Positive reviews81.0% of reviews—
Number of ratings127 — better—
Update frequencyEvery 2 monthsEvery 4 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhone, iPad, Mac, Vision Pro — betteriPhone, iPad
Requires iOS17.217.0 — better
Further details — not scored
Size9 MB36 MB
Age rating4+4+
DeveloperAlexander KaessnerSerhii Bobok

Bugs and requests

SpeakLine

Reported bugs

2 issues
  • Crashes when accessing settings
  • Inconsistent voice selection and speed changes

Requested features

4 requests
  • Add ability to pause and resume playback
  • Implement more natural-sounding voices
  • Provide option to highlight text as it's read
  • Allow importing of files instead of just copy-pasting

BPM Inspector

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

SpeakLine

One-time3
  • Small Tip$1.99
  • Medium Tip$4.99
  • Large Tip$9.99
None

BPM Inspector

No in-app purchases

Questions

Is SpeakLine free?
SpeakLine is free to download, with in-app purchases available.
Is BPM Inspector free?
BPM Inspector is free to download, with no in-app purchases.
Do SpeakLine or BPM Inspector have ads?
Neither SpeakLine nor BPM Inspector shows ads.
Which is updated more often, SpeakLine or BPM Inspector?
SpeakLine ships an update every 2 months, and BPM Inspector every 4 days. Most recently, SpeakLine was updated on November 1, 2026 and BPM Inspector on October 31, 2026.

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