Comparison

Decide by Message vs MAI Fav

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

Head to head
About

Decide by Message

Features
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Got a dilemma? Lunch choices, weekend plans, or just need a second opinion? You know that feeling when you wish you could just text your crew for a quick answer? This app is your personal decision-making playground! It lets "your registered crew" magically text you back with the perfect answer, all in a fun, chat-style roulette. Just type in your question and options, spin the wheel, and boom! Watch as one of your custom-made "friends" pops up with the random, hilarious, or surprisingly helpful result, just like they're right there in your group chat. It's like a virtual hangout where every spin leads to a decision. Jump into the most unique "pretend-to-chat" roulette and let your custom crew help you pick your next move!

About

MAI Fav

Features
Read full description

MAI Fav は、AI キャラクターと自然な会話を楽しめるチャットアプリです。 ◆ 主な機能 ・テンプレートから選ぶ / AI に作ってもらう / 自分で書くの 3 通りでオリジナルキャラを作成 ・キャラごとに性格・話し方・自発メッセージのオン/オフを細かく設定 ・即レス / ゆっくり返信 / 不定期のような返信頻度のカスタマイズ ・音声メッセージの送受信(キャラに声を持たせることも可能 ・グループチャットで複数キャラと同時に会話 ・ログインボーナスや広告視聴で無料ポイントを獲得 ・ポイントは購入も可能(100 / 500 / 1,000 / 3,000 pt) ◆ こんな方におすすめ ・推しキャラとの会話を楽しみたい方 ・自分だけのキャラクターを育てたい方 ・気軽な雑談相手が欲しい方 ・自然な日本語で会話できる AI を探している方 ◆ プライバシーと安全性 会話内容は安全のため一部モデレーションされます。広告 ID などのトラッキングは、ユーザーの許諾後にのみ広告のパーソナライズに使用されます。

Screenshots

Decide by Message3 screens
MAI Fav4 screens

Verdict

The call

The clearest difference is in-app purchases: Decide by Message at none against MAI Fav's 4. MAI Fav's advantage is update cadence (every 2 days vs every 10 days). On price, ads, device support 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. MAI Fav sells 4 one-off in-app purchases. Decide by Message asks for nothing beyond the download.

UpkeepUpdate frequency

Decide by Message ships an update every 10 days, MAI Fav every 2 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 4 level
Decide by Message versus MAI Fav: the parameters behind the verdict, then further details
ParameterDecide by MessageMAI Fav
PriceFreeFree
Update frequencyEvery 10 daysEvery 2 days — better
AdsYesYes
In-app purchasesNo — betterYes
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.615.0 — better
Further details — not scored
Size4 MB37 MB
Age rating4+9+
DeveloperKana UchidaKei Ito

In-app purchases

None

Decide by Message

No in-app purchases

4 purchases

MAI Fav

One-time4
  • 100ポイント$0.99
  • 500ポイント$4.99
  • ¥1,000$9.99
Show 1 more
  • 3,000ポイント$29.99

Questions

Is Decide by Message free?
Decide by Message is free to download, with no in-app purchases.
Is MAI Fav free?
MAI Fav is free to download, with in-app purchases available.
Do Decide by Message or MAI Fav have ads?
Both Decide by Message and MAI Fav show ads.
Which is updated more often, Decide by Message or MAI Fav?
Decide by Message ships an update every 10 days, and MAI Fav every 2 days. Most recently, Decide by Message was updated on October 30, 2026 and MAI Fav on October 31, 2026.

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