헤어핀 HAIRPIN vs MY CLIENT BOOK
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
헤어핀 HAIRPIN
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HAIRPIN is a client management app for hair-salon owners and solo stylists. Keep every client's style history in your pocket — no more scattered notebooks and photos. • Client charts — organize visits, service history, and notes per client • Service photos — save before/after and reference images to the chart • Menu — register services and prices for one-tap entry • Daily record — log daily income/expense on the calendar • Revenue insights — daily / monthly / yearly sales and service stats • Color chart — quick reference for major dye color brands • Reference search & albums — collect styles into your own stylebook All data is encrypted and stored privately to your account. Subscription Information • Pro: ₩6,900 / month (auto-renewable) • Premium: ₩13,900 / month (auto-renewable) • Single credit: ₩1,000 (one-time purchase) Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. You can manage or cancel in Settings > Apple Account > Subscriptions. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://hwangchanho.github.io/hairpin-legal/privacy.html
MY CLIENT BOOK
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MY CLIENT BOOK helps independent hair, nail and lash professionals and solo salon owners manage clients, appointments, visit records and sales in one place. FEATURES • Register clients and see the most recently added clients first • Search names, phone numbers, preferred styles, client notes and visit notes • Add dated and timed appointments from client profiles or the calendar • View today's appointments in time order • Set appointment reminders • Complete appointments and record services and sales • Keep each client's visit history and consultation notes • View monthly service sales, product sales, total sales, and new and returning client statistics • Manage planned return dates and mark follow-ups as contacted • Sync client and visit records with your account • Sign in on a new device to restore synced records • Export client lists and visit records to Excel The app interface is currently in Korean. Appointment times use Korea Standard Time (Asia/Seoul), and sales amounts are displayed in Korean won. Reminders require notification permission. Sound depends on your device's silent mode, Focus settings and other notification settings. Keep everyday client management and salon records simple.
Screenshots
Verdict
The clearest difference is ads: MY CLIENT BOOK at none against 헤어핀 HAIRPIN's shown. 헤어핀 HAIRPIN's advantage is update cadence (every 2 days vs every 4 days). On price, in-app purchases, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
헤어핀 HAIRPIN ships an update every 2 days, MY CLIENT BOOK every 4 days. Both last shipped on October 31, 2026.
| Parameter | 헤어핀 HAIRPIN | MY CLIENT BOOK |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days — better | Every 4 days |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.4 | 16.4 |
| Further details — not scored | ||
| Size | 129 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Chanho Hwang | Hyeonseo Shin |
In-app purchases
헤어핀 HAIRPIN
No in-app purchases
MY CLIENT BOOK
No in-app purchases








