SpeakLine vs BPM Inspector
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Convert text to speech
- Import TXT/RTF files
- Export audio as CAF
- Multiple system voices
- Adjust speech speed and pitch
- SSML markup support
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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).
BPM Inspector
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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
Verdict
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
Both are free to download. SpeakLine sells 3 one-off in-app purchases. BPM Inspector asks for nothing beyond the download.
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.
| Parameter | SpeakLine | BPM Inspector |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (127 ratings) — better | — |
| Positive reviews | 81.0% of reviews | — |
| Number of ratings | 127 — better | — |
| Update frequency | Every 2 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | — |
| Devices | iPhone, iPad, Mac, Vision Pro — better | iPhone, iPad |
| Requires iOS | 17.2 | 17.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | Alexander Kaessner | Serhii 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
SpeakLine
- Small Tip$1.99
- Medium Tip$4.99
- Large Tip$9.99
BPM Inspector
No in-app purchases









