Comparison

Formudrag vs 订阅好帮手

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

Head to head
About

Formudrag

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Formudrag helps you build, edit, and organize math formulae with drag-and-drop LaTeX tools. Start from built-in templates or your own saved components, replace exact structures directly, and keep a scratchpad nearby while refining the main formula. Use it for class notes, assignments, research drafts, teaching materials, and other academic workflows that need faster formula editing without losing structural control. End User License Agreement (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

订阅好帮手

Features
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Subscription Helper is a smart tool designed to manage all your recurring subscriptions. Whether it's streaming services, cloud storage, software memberships, or any subscription service, you can easily track and manage them all. > > Key Features: > - Subscription Management: Organize all subscriptions in one place > - Smart Reminders: Get notified before renewal dates to avoid unexpected charges > - Expense Analytics: Visualize monthly and yearly spending trends with intuitive charts > - Multi-Currency Support: Supports USD, EUR, GBP, JPY, and more with automatic exchange rate conversion > - Data Security: Local storage and cloud sync options keep your data safe > > Highlights: > - Clean and elegant interface design > - Core features completely free > - No ads > - Dark mode support > > Download now and say goodbye to subscription management hassles!

Screenshots

Formudrag4 screens
订阅好帮手4 screens

Verdict

The call

The clearest difference is in-app purchases: 订阅好帮手 at none against Formudrag's 8. 订阅好帮手 also leads on update cadence (fortnightly vs every 2 months) and iOS requirement (13.0 vs 15.0). 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. Formudrag sells 7 in-app purchases, starting at $1.99 per month. 订阅好帮手 asks for nothing beyond the download.

UpkeepUpdate frequency

Formudrag ships an update every 2 months, 订阅好帮手 fortnightly. The most recent releases landed on October 25, 2026 and October 8, 2026 respectively.

Scorecard3 real differences · 3 level
Formudrag versus 订阅好帮手: the parameters behind the verdict, then further details
ParameterFormudrag订阅好帮手
PriceFreeFree
Update frequencyEvery 2 monthsFortnightly — better
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size94 MB25 MB
Age rating4+4+
Developer欣 王世伟 马

In-app purchases

7 purchases

Formudrag

Subscriptions2
  • Monthly7 Days trial$1.991 Month
  • Annual7 Days trial$12.991 Year
One-time5
  • Drag Indicator Styles$1.99
  • Formula History Access$2.99
  • Export Formats$4.99
Show 2 more
  • Lifetime2 variants$29.99
  • Lifetime$39.99
None

订阅好帮手

No in-app purchases

Questions

Is Formudrag free?
Formudrag is free to download, with in-app purchases available.
Is 订阅好帮手 free?
订阅好帮手 is free to download, with no in-app purchases.
Do Formudrag or 订阅好帮手 have ads?
Neither Formudrag nor 订阅好帮手 shows ads.
Which is updated more often, Formudrag or 订阅好帮手?
Formudrag ships an update every 2 months, and 订阅好帮手 fortnightly. Most recently, Formudrag was updated on October 25, 2026 and 订阅好帮手 on October 8, 2026.

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