Comparison

Adaptivity (A) vs Trendly

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

Head to head
About

Adaptivity (A)

Visualize how app layouts adapt to different screen sizes, orientations, and dynamic text settings on iOS and iPadOS devices. Explore SF Symbols, system colors, fonts, and materials with detailed information and previews.

Highlights
  • Visualize layout sizes and margins
  • Explore SF Symbols across iOS versions
  • Preview Dynamic Type styles
  • View System Colors, Fonts, and Materials
  • Support for iPad multitasking and external displays
  • Widget and Siri shortcut integration
Features
Read full description

Adaptivity is an invaluable tool for developers and designers. Use it to visualize how Size Classes and margins for layout, readable content and the safe area look on real devices and how they change with respect to orientation, iPad multitasking and Dynamic Type size changes. A comprehensive System Images browser shows the different SF Symbols data sets across iOS versions with availability, localization and name change information. There are also views for visualizing Dynamic Type styles, System Colors, System Fonts and System Materials. TESTIMONIALS • “Adaptivity is not just highly recommended – it’s essential” — Paul Hudson, Hacking With Swift article “8 essential apps for iOS developers”, 30th March 2020. • “It's a very, very good tool as a reference for both developers and designers” — Gui Rambo, Stacktrace podcast episode #77, 1st April 2020. • “I'm not trying to spend your money, but to me this is a no-brainer” — Sean Allen YouTube video “Indie Dev Apps”, 12th April 2020. MAIN FEATURES • Visualize sizes for full view, layout margins, readable content guide and safe area layout guide. • Sizes displayed in points or pixels. • Regular or large navigation bar titles. • Toggle status bar and navigation bar/toolbar/tab bar visibility. • Activity View Controller support for sharing a snapshot image of each view. • iPad multitasking and multiple window support (see note). • Dark appearance support (requires iOS/iPadOS 13 or later). • Setting to force right-to-left layout. • Keyboard shortcuts. • Keyboard navigation (requires iPadOS 15 or later). • Handoff actions from Adaptivity (A), (B) or (C) on one device to Adaptivity (A) on another. • External display support. OTHER VIEWS • Popover, Form/Page Sheet, Full Screen and Automatic modal presentations. • Customise Sheet Presentations on iOS/iPadOS 15 or later. • Tab Bar Controller. • Table View Controller. • Classic style Split View Controller. • Double and triple column style Split View Controllers (requires iOS/iPadOS 14 or later). • Keyboard Dodging and Custom Keyboard. • Dynamic Type styles for the current Content Size Category. • Explore Pointer Interactions (requires iPadOS 13.4 or later and a trackpad or mouse). • Explore System Colors. • Explore System Fonts. • Explore System Images (requires iOS/iPadOS 13 or later). Choose which SF Symbols data set to view, configure rendering modes and much more. • Explore System Materials (requires iOS/iPadOS 13 or later). EXTENSION TARGETS • Siri shortcut with custom response UI (requires iOS 12 or later). • Pre- and post-iOS 14 style Widgets to show layout. • iOS 14 style Widgets to show random System Images. • iOS 14 style Widgets to show Dynamic Type text styles. • iOS 16 lock screen Widgets to show layout. • iOS 16 lock screen Widgets to show random System Images. • Notification Content Extension. • Watch App (requires watchOS 4 or later). • iMessage App. Note: Adaptivity (A) supports multiple windows on iPadOS 13 or later. On earlier iOS versions, Adaptivity (B) must also be downloaded to run Adaptivity twice using Split View or Slide Over iPad multitasking. Adaptivity (A) is a universal purchase and includes a Mac Catalyst version of the app. Buying one allows the other to be downloaded at no extra cost using the same Apple ID. Adaptivity (C) has the same reduced features as Adaptivity (B) but only supports iPhone. Use it to visualize how an iPhone‑only app appears on iPad. For more information see https://hacknicity.com/adaptivity

About

Trendly

Monitor your app sales and trends with intuitive charts and customizable widgets. Track key metrics like subscribers, MRR, and churn. Receive notifications for new data and manage multiple apps securely.

Highlights
  • Intuitive sales and trend charts
  • Track subscribers, MRR, churn
  • Lock & Home Screen Widgets
  • Multi-currency support
  • New data notifications
  • Multiple app key support
  • Real download tracking
  • Dark mode
Read full description

Trendly is a beautiful Sales and Trend monitor for your apps in the App Store. It displays your data in a wide variety of intuitive and informative charts, allowing you to keep track of your apps. Some of Trendly's key features are: • Beautiful graphs, displaying your data in a meaningful way • Track Subscribers, Trials, MRR, Churn, and more • Different Lock & Home Screen Widgets • Display sales in any currency you want • Notifications when new data is available • Add multiple keys to track all your apps • Track real downloads instead of app units • Multiple alternate app icons • Dark mode for the app and widgets Your credentials are stored securely in Keychain and all data stays on your device Trendly fetches your app's data privately and securely via the App Store Connect API. It is not affiliated with Apple. Privacy Policy: https://gettrendly.app/privacy Terms: https://gettrendly.app/terms

Screenshots

Adaptivity (A)4 screens
Trendly4 screens

Verdict

The call

The clearest difference is price: Trendly at Free against Adaptivity (A)'s $7.99. Adaptivity (A)'s advantage is rating (5.0 vs 4.7) and chart position (#69 vs unranked). On review sentiment, update cadence, ads and in-app purchases 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

Trendly is free to download; Adaptivity (A) costs $7.99 up front. Adaptivity (A) sells 4 one-off in-app purchases and Trendly sells 6 in-app purchases, starting at $3.00 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Adaptivity (A) holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Adaptivity (A) has 92 ratings behind it against 18, so its average is the more settled of the two. Written reviews point the same way: 94% of Adaptivity (A)'s written reviews are positive against 92% of Trendly's.

UpkeepUpdate frequency

Adaptivity (A) ships an update every 3 weeks, Trendly monthly. The most recent releases landed on September 25, 2026 and September 22, 2026 respectively.

Scorecard6 real differences · 5 level
Adaptivity (A) versus Trendly: the parameters behind the verdict, then further details
ParameterAdaptivity (A)Trendly
Price$7.99Free — better
Rating5.0 (92 ratings) — better4.7 (18 ratings)
Positive reviews94.3% of reviews — better91.7% of reviews
Number of ratings92 — better18
Update frequencyEvery 3 weeks — betterMonthly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
Best chart rank#69 — better—
DevicesiPhone, iPad, iPod, Mac, Apple Watch — betteriPhone, iPad, Mac
Requires iOS11.0 — better17.0
Further details — not scored
Size46 MB68 MB
Age rating4+4+
DeveloperGeoff HackworthMika Kruschel

Customer experience

Adaptivity (A)

All ratings92 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews35 reviews
Positive94.3%
Neutral2.9%
Negative2.9%

Trendly

All ratings18 ratings
Positive94.4%
Neutral0.0%
Negative5.6%
Written reviews12 reviews
Positive91.7%
Neutral0.0%
Negative8.3%

In-app purchases

4 purchases

Adaptivity (A)

One-time4
  • Small Tip$0.99
  • Medium Tip$1.99
  • Large Tip$4.99
Show 1 more
  • Enormous Tip$9.99
6 purchases

Trendly

Subscriptions3
  • Pro Starter Plan$3.001 Month
  • Pro Growth Plan$5.001 Month
  • Pro Indie Plan$9.001 Month
One-time3
  • Small Tip$2.00
  • Medium Tip$5.00
  • Large Tip$10.00

Questions

Is Adaptivity (A) free?
Adaptivity (A) costs $7.99, and also offers in-app purchases.
Is Trendly free?
Trendly is free to download, with in-app purchases available.
Which has better reviews, Adaptivity (A) or Trendly?
Adaptivity (A) is rated higher. Adaptivity (A) averages 5.0 out of 5 from 92 ratings, while Trendly averages 4.7 from 18 ratings.
Do Adaptivity (A) or Trendly have ads?
Neither Adaptivity (A) nor Trendly shows ads.
Which is updated more often, Adaptivity (A) or Trendly?
Adaptivity (A) ships an update every 3 weeks, and Trendly monthly. Most recently, Adaptivity (A) was updated on September 25, 2026 and Trendly on September 22, 2026.

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