ECHOZ vs Self
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ECHOZ
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【ECHOZとは】 ECHOZは、今この瞬間の気持ちを60秒で言葉にするアプリ。 1日1回、ランダムな通知が届いたら投稿。 写真ではなく、感情と言葉でつながります。 同じ気分を選んだ誰かの投稿と、あなたの言葉がEcho Chainとして繋がります。 【主な機能】 ◆ 1日1回・60秒投稿 ランダム通知で「今」を逃さない。 ◆ Mood(気分)選択 11種類の感情からその瞬間の気分を選ぶ。 ◆ Echo Chain 同じMoodの投稿が自動で連結。 見知らぬ誰かと共鳴する体験。 ◆ 縦書きカード 日本語の美しさを活かした縦書きデザイン。 【こんな人におすすめ】 ・SNSに疲れてしまった ・日記が続かない ・今の気持ちを言葉で残したい ・誰かと静かに繋がりたい 飾らない言葉で、今を残そう。 【サポート / Support】 ご質問・お問い合わせ: echoz.help@gmail.com 【利用規約 / Terms of Use】 https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ 【プライバシーポリシー / Privacy Policy】 https://hk-882355.github.io/echoz-support/privacy-policy.html
Self
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Self-Control Mate is a habit tracker and supportive community for people working toward better routines, stronger focus, and lasting self-control. Changing a habit can be difficult when you do it alone. Self-Control Mate helps you track your progress, celebrate small wins, and stay connected with people working toward similar goals. This is more than a streak counter. It is a place to share progress, learn from other people's experiences, and keep moving forward. Two main features: 1. A supportive community for personal goals - Share progress, challenges, wins, motivation, and daily reflections - Encourage each other with likes and comments - Learn practical ideas from people pursuing similar goals - Report inappropriate posts and block users when needed The community is moderated under clear guidelines to help keep discussions safe and constructive. 2. A counter that makes your effort visible - See your current streak at a glance - Track progress toward your personal habit goals - Restart anytime and keep learning from your journey Self-Control Mate is for people who: - Want to change a habit but find it difficult to stay consistent - Want to build focus, self-control, and a more productive daily life - Want a simple habit counter or streak tracker - Want encouragement from people with similar goals Small steps add up. Start with Self-Control Mate today and take the next step toward better habits.
Screenshots
Verdict
The clearest difference is in-app purchases: Self at none against ECHOZ's 3. Self also leads on ads (none vs shown) and iOS requirement (15.0 vs 17.0). ECHOZ's advantage is update cadence (every 3 days vs every 2 weeks). On price 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
Both are free to download. ECHOZ sells 3 in-app purchases, starting at $2.99 per month. Self asks for nothing beyond the download.
ECHOZ ships an update every 3 days, Self every 2 weeks. The most recent releases landed on September 26, 2026 and September 30, 2026 respectively.
| Parameter | ECHOZ | Self |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 days — better | Every 2 weeks |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 19 MB | 88 MB |
| Age rating | 12+ | 17+ |
| Developer | hiroki kaneko | Yuki Shimazu |
In-app purchases
ECHOZ
- Monthly Plan$2.991 Month
- Yearly Plan$29.991 Year
- Lifetime Plan$59.99
Self
No in-app purchases









