Comparison

Baletta vs Seren

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

Head to head
About

Baletta

Features
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Baletta 【アプリ公開日】 【紹介文】 Baletta(バレッタ)の公式アプリです。 【概要】 ■ アプリ上から24時間いつでも予約が可能。 指名予約にも対応しているので担当スタッフのスケジュールを確認してからの予約が可能です。 ■ クーポン お得なクーポンが配信されます。ネット予約時にクーポン利用での予約も可能なので来店時もスムーズに施術頂けます。 ■ スタッフが施術したスタイルを掲載 前もって画像を確認しておけばスムーズなオーダーが可能です。 ■ マイページ機能 予約状況の確認やキャンセルがマイページ上から行えます。スタイリストの登録が出来るので前もって担当者を登録しておけばマイページからスムーズな指名予約が可能です。又、マイページにお気に入りのヘアカタログを登録出来るので来店時に画像を見せるだけでイメージを伝えることが出来るので安心。

About

Seren

Features
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Seren is an AI companion that helps you track and reflect on everyday life with chronic pain. Record pain intensity and location, sleep, mood, exercise, medication, notes, and more. Instead of filling out every field one by one, you can simply talk with Seren and let AI help turn the conversation into your daily records. ■ EASY PAIN AND SYMPTOM TRACKING Record pain intensity and location along with sleep, mood, exercise, medication, notes, and other details about your day. You can choose which fields to show and arrange them in the order that works best for you. ■ TALK TO AI AND LET IT HELP YOU RECORD "I have a headache today and didn't sleep very well." Talk naturally with Seren, and AI can help organize what you said into your records. It can also help you look back on past records and notice patterns or changes that may be worth reviewing. Both text and voice input are supported. ■ REVIEW AND SUMMARIZE Look back on your daily records or create summaries for periods you want to review. --- Seren is free to use. For people who want to use AI more frequently or support the continued development and operation of Seren, an optional monthly Supporter Plan provides a higher AI usage limit and an in-app supporter badge. ※ Seren is not a medical device and is not intended to diagnose, treat, or prescribe medication. ※ AI responses are for informational purposes only. If you need medical advice or a medical assessment of your symptoms, please consult a qualified healthcare professional. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Baletta2 screens
Seren4 screens

Verdict

The call

The clearest difference is in-app purchases: Baletta at none against Seren's 1. Baletta also leads on iOS requirement (8.0 vs 15.0). Seren's advantage is update cadence (weekly vs every 76 months). On price, ads 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. Seren sells 1 in-app purchase, starting at $9.99 per month. Baletta asks for nothing beyond the download.

UpkeepUpdate frequency

Baletta ships an update every 76 months, Seren weekly. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 3 level
Baletta versus Seren: the parameters behind the verdict, then further details
ParameterBalettaSeren
PriceFreeFree
Update frequencyEvery 76 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPodiPhone, iPod
Requires iOS8.0 — better15.0
Further details — not scored
Size3 MB81 MB
Age rating4+12+
DeveloperKatsuhiko MakinoDaiki Yamaguchi

In-app purchases

None

Baletta

No in-app purchases

1 purchases

Seren

Subscriptions1
  • Supporter Plan (Monthly)$9.991 Month

Questions

Is Baletta free?
Baletta is free to download, with no in-app purchases.
Is Seren free?
Seren is free to download, with in-app purchases available.
Do Baletta or Seren have ads?
Neither Baletta nor Seren shows ads.
Which is updated more often, Baletta or Seren?
Baletta ships an update every 76 months, and Seren weekly. Most recently, Baletta was updated on October 26, 2026 and Seren on October 25, 2026.

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