Comparison

Monthly Fee Stamp vs Formation App

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

Head to head
About

Monthly Fee Stamp

Features
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■ What is Monthly Fee Stamp?? A tuition and lesson schedule management app designed for independent music and hobby instructors. Perfect for guitar, piano, yoga, dance, and all kinds of private lessons. Replace your paper tuition envelopes with a digital solution — manage student payments and lesson schedules from your smartphone. Sync with Google Calendar to automate your entire lesson schedule. ■ Core Features (All Free) 【Tuition Stamp Management】 - Simply tap to stamp when tuition is received - View each student's payment status at a glance - Automatically records the date and amount - Add notes for special reminders 【Lesson Schedule Management】 - Add one-time or recurring lessons - Customize lesson duration (30 / 45 / 60 / 90 min) - Select specific weeks (1st–5th week, or every week) - Automatic lesson count calculation 【Full Google Calendar Integration】 - Lessons are automatically added to your calendar - Deleted lessons are automatically removed from your calendar - Bulk sync existing lessons - 30-minute automatic reminders - Student name and time displayed automatically 【Recurring Lesson Features】 - Select multiple days of the week (e.g., Mon / Wed / Fri) - Choose specific weeks (e.g., 2nd & 4th week = twice a month) - Set a date range for bulk registration - Preview lesson count in real time ■ Perfect for Instructors Who: - Run a private guitar or piano studio - Teach yoga, dance, or other lessons at home - Find tuition tracking tedious - Want to manage schedules through Google Calendar - Want to go paperless ■ Premium Features (from $1.99/month) Smarter studio management for the price of a coffee. 【Calendar Overview】 - View all students' schedules in a monthly calendar - Color-coded by student for easy management - Automatic double-booking detection and alerts 【Unpaid Notices】 - Automatically lists students with unpaid tuition - Send template emails with one tap (fully editable) - A friendly auto-message footer keeps communication professional and comfortable 【CSV Export】 - Export tuition data in CSV format - Useful for tax filing and bookkeeping - Easy import into accounting software - Per-student summary available 【Custom Stamps】 - Set your own original stamp design - Strengthen your studio branding - Boost student satisfaction - Stand out from other studios ■ Simple to use The teacher signs up (a class ID is created automatically—ready to use right away) The teacher registers each student (a QR code is issued for each one) The student downloads the app and joins by scanning the QR code When tuition is received, the teacher just taps to add a stamp! ■ Google Calendar setup: 1. Go to Settings → Connect Google Account 2. Grant permission 3. Lessons are automatically added to your calendar! ■ Security & Privacy - All data is securely managed with Firebase - Google Calendar access is limited to the minimum required - Personal information is never shared with third parties - Privacy Policy: https://sinqwell.net/privacy-policy/ - Terms of Service: https://sinqwell.net/terms-of-service/ ■ Supported Devices - iPhone (iOS 13.0 or later) - iPad ■ Try It Free Today! Simplify your tuition tracking and lesson scheduling. Start with the free features — upgrade to Premium anytime for $1.99/month, cancel anytime. 【How to Use】 Full usage guide available at: https://sinqwell.net/apps/monthly-fee-bag-app/ Step-by-step instructions for every screen, perfect for first-time users.

About

Formation App

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Formation App は、ダンサー・ダンス講師・振付師のためのフォーメーション作成アプリです。 ステージ上にダンサーを配置し、シーンごとにフォーメーションを作成しながら、音楽に合わせて振付や移動を視覚的に管理できます。 主な機能 ・ステージ上で直感的にフォーメーション作成 ・複数シーンの作成・管理 ・音楽読み込みとシーン同期 ・移動アニメーション確認 ・図形やマーカーによる演出メモ ・クラウド保存対応 ダンスの構成確認やレッスン、振付制作を効率化します。

Screenshots

Monthly Fee Stamp4 screens
Formation App4 screens

Verdict

The call

Monthly Fee Stamp and Formation App are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Monthly Fee Stamp sells 3 in-app purchases, starting at $1.99 per month and Formation App sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Monthly Fee Stamp ships an update every 3 days, Formation App every 2 days. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.

ScorecardNo meaningful differences
Monthly Fee Stamp versus Formation App: the parameters behind the verdict, then further details
ParameterMonthly Fee StampFormation App
PriceFreeFree
Update frequencyEvery 3 daysEvery 2 days — better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS15.515.0 — better
Further details — not scored
Size60 MB28 MB
Age rating4+4+
DeveloperSINQWELLRyo Nakazono

In-app purchases

3 purchases

Monthly Fee Stamp

Subscriptions1
  • Premium Monthly$1.991 Month
One-time2
  • プレミアム機能$4.99
  • Premium Lifetime$17.99
1 purchases

Formation App

One-time1
  • Pro Unlock$2.99

Questions

Is Monthly Fee Stamp free?
Monthly Fee Stamp is free to download, with in-app purchases available.
Is Formation App free?
Formation App is free to download, with in-app purchases available.
Do Monthly Fee Stamp or Formation App have ads?
Neither Monthly Fee Stamp nor Formation App shows ads.
Which is updated more often, Monthly Fee Stamp or Formation App?
Monthly Fee Stamp ships an update every 3 days, and Formation App every 2 days. Most recently, Monthly Fee Stamp was updated on October 19, 2026 and Formation App on October 24, 2026.

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