Comparison

PiPO vs Mugen Transcribe

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

Head to head
About

PiPO

This app simulates Japanese ambulance sirens and emergency vehicle sounds. It features recorded siren sounds, voice recordings, and a flashing light effect. It is not a real siren amplifier but a sound playback application.

Highlights
  • Ambulance siren sounds
  • Emergency vehicle voice recordings
  • Record and playback custom audio
  • Flashing light effect
  • Automatic siren function
Features
Read full description

日本の救急車のサイレンアプリ「PiPO」です。 ※※※必ずお読み下さい※※※ 日本特殊車両サイレンアプリ 救急車サイレンの姉妹アプリです。類似アプリにつき、ご購入の際は、間違えないようご注意下さい。 サイレンアンプ機能は付いておりません。よって、手動や周波数が下がっていき消音する機能は搭載しておりません。 録音したサイレンや音声を再生しているだけで、サイレンアンプの機能を再現しているものではありません。 また、「弱」ボタンのハーモニックは、端末によっては一部の周波数の音が表現できない場合があります。 姉妹アプリ「日本特殊車両サイレンアプリ 救急車サイレン」との違い ・ボタンや音声ボタンのデザインが違います ・サイレンの音質が若干違います ・左右折の注意音声の最初に「救急車が」がつきません ・自動のサイレンが付いています (ピーポーと自動サイレンは同時に鳴らすことはできません) ・ボタンタップ時、ピッと音が鳴ります(音は消せません) 収録音 ・ピーポー(約1分) ・自動サイレン(約1分) ・救急車の音声3種類(1ch-3ch) 録音機能 4chに好きな音声を録音できます。 録音した音声は、繰り返し再生できます。 警光燈機能 画面の上下が、ランダムフォーに似たパターンで点滅します。 【音声録音方法】 音声合成ボタンをタップし、右下の数字を4にします。 数字が4の時、音声CHボタンをロングタップすると録音確認メッセージが表示されるので、OKをタップすると録音を開始します。 録音のを止めるには、停止ボタンをタップします。

About

Mugen Transcribe

This app provides high-quality voice-to-text transcription with features like filler word removal, punctuation, and custom vocabulary support. It offers a free tier with ads and a subscription for an ad-free experience and unlimited transcriptions.

Highlights
  • High-quality transcription
  • Filler word removal
  • Custom vocabulary support
  • Easy sharing
  • Battery-friendly design
  • Backup and transfer
Features
Read full description

200,000 Downloads in Just 13 Months! Unlimited Transcription offers free transcription. How is this possible? We've achieved low-cost transcription technology, and as a solo developer project, there are no staffing costs. Ad revenue within the app allows us to provide a sustainable free service. *Starting June 1, 2026, free users will be limited to 3 standard transcriptions per month. We also offer a subscription plan that removes ads and unlocks additional features like unlimited transcriptions, audio file import, and AI-powered text conversion. If you prefer an ad-free experience or want access to extra features, consider giving it a try! What Makes This App Special High-Quality Transcription Free doesn't mean low quality. Transcription accuracy is everything, so we've made it a priority. The app removes filler words like "um" and "uh" and adds proper punctuation for easy-to-read results. Battery-Friendly Some transcription apps drain your phone's resources, causing it to overheat and killing your battery. That's not the kind of app I'd want to use, so I minimized heavy on-device processing to keep battery consumption low. Easy Sharing Transcribed text can be easily copied and shared. The app is designed to work seamlessly with other apps. Improved Accuracy with Custom Vocabulary Transcription often struggles with uncommon or specialized words. By adding terms to your personal word list, you can significantly improve recognition accuracy. Backup & Transfer Switching to a new device? No problem. Your data can be transferred via backup, so you never have to worry about losing your transcriptions. --- Emoji Asset License: JoyPixels 7.0 Premium - Premium License 7.0

Screenshots

PiPO4 screens
Mugen Transcribe4 screens

Verdict

The call

The clearest difference is price: Mugen Transcribe at Free against PiPO's $2.99. Mugen Transcribe also leads on update cadence (weekly vs every 14 months) and ratings volume (5 vs 1). PiPO's advantage is rating (5.0 vs 4.0) and in-app purchases (none vs 5). On 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

Mugen Transcribe is free to download; PiPO costs $2.99 up front. Mugen Transcribe sells 5 in-app purchases, starting at $2.99 per month. PiPO asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

PiPO holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Mugen Transcribe has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 71% of PiPO's written reviews are positive against 54% of Mugen Transcribe's.

UpkeepUpdate frequency

PiPO ships an update every 14 months, Mugen Transcribe weekly. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.

Scorecard9 real differences · 1 level
PiPO versus Mugen Transcribe: the parameters behind the verdict, then further details
ParameterPiPOMugen Transcribe
Price$2.99Free — better
Rating5.0 (1 ratings) — better4.0 (5 ratings)
Positive reviews71.4% of reviews — better54.2% of reviews
Number of ratings15 — better
Update frequencyEvery 14 monthsWeekly — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPodiPhone, Apple Watch
Requires iOS7.1 — better17.2
Further details — not scored
Size39 MB89 MB
Age rating4+17+
DeveloperKaji TakatsuguHaruki Kurosawa

Customer experience

PiPO

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews14 reviews
Positive71.4%
Neutral14.3%
Negative14.3%

Mugen Transcribe

All ratings5 ratings
Positive60.0%
Neutral40.0%
Negative0.0%
Written reviews24 reviews
Positive54.2%
Neutral25.0%
Negative20.8%

In-app purchases

None

PiPO

No in-app purchases

5 purchases

Mugen Transcribe

Subscriptions4
  • 毎月プラン$2.991 Month
  • Monthly Premium$7.991 Month
  • 年間プラン$34.991 Year
Show 1 more
  • Annual Premium$79.991 Year
One-time1
  • Lifetime Premium$249.99

Questions

Is PiPO free?
PiPO costs $2.99, with no in-app purchases.
Is Mugen Transcribe free?
Mugen Transcribe is free to download, with in-app purchases available.
Which has better reviews, PiPO or Mugen Transcribe?
PiPO is rated higher. PiPO averages 5.0 out of 5 from 1 ratings, while Mugen Transcribe averages 4.0 from 5 ratings.
Do PiPO or Mugen Transcribe have ads?
Mugen Transcribe shows ads; PiPO does not.
Which is updated more often, PiPO or Mugen Transcribe?
PiPO ships an update every 14 months, and Mugen Transcribe weekly. Most recently, PiPO was updated on November 1, 2026 and Mugen Transcribe on November 4, 2026.

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