Comparison

Build Things vs Atomic Calendar

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

Head to head
About

Build Things

Features
Read full description

Go from idea to name, domain, fonts, colors in 30 seconds.

About

Atomic Calendar

Features
Read full description

Plan Confidently. Stay Organized. Stay Private. Atomic Calendar, part of the Atomic Blend suite, is your privacy-first calendar designed to organize your schedule, protect your data, and keep your life in sync โ€” all secured with end-to-end encryption. Why Atomic Calendar? โ€“ End-to-End Encrypted Events โ€“ Your events, titles, notes, and attendees are encrypted so only you can access them. โ€“ Private by Default โ€“ No tracking, no profiling, no behavioral analytics. Your schedule stays yours. โ€“ Simple & Focused Design โ€“ A fast, distraction-free interface to plan without friction. โ€“ Powerful Organization โ€“ Multiple calendars, color labels, search, and smart views to stay on top of your time. โ€“ Secure Sync Across Devices โ€“ Access your calendar everywhere while keeping your data private. โ€“ Unified with Atomic Blend โ€“ One subscription unlocks all apps in the suite. From daily planning to long-term projects, Atomic Calendar helps you stay organized with clarity โ€” without sacrificing your privacy or control. --- About Atomic Blend Atomic Blend is a privacy-first, 100% open-source app suite that includes Atomic Task, Atomic Notes, Atomic Mail, Atomic Calendar, and more โ€” all designed to work together seamlessly under a single subscription. Built for people who value simplicity, transparency, and control, Atomic Blend is your alternative to bloated, data-hungry SaaS tools. No ads. No tracking. Just powerful tools that respect you. --- Terms & Conditions: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://brandonguigo.notion.site/Politique-de-confidentialit-17591ec0b6688166b781cf05f89d3a2d

Screenshots

Build Things4 screens
Atomic Calendar4 screens

Verdict

The call

The clearest difference is iOS requirement: Atomic Calendar at 13.0 against Build Things's 15.1. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Scorecard1 real difference ยท 5 level
Build Things versus Atomic Calendar: the parameters behind the verdict, then further details
ParameterBuild ThingsAtomic Calendar
PriceFreeFree
Update frequencyEvery 2 daysโ€”
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.113.0 โ€” better
Further details โ€” not scored
Size146 MB75 MB
Age rating4+4+
DeveloperErik NelsonBrandon Guigo

In-app purchases

None

Build Things

No in-app purchases

None

Atomic Calendar

No in-app purchases

Questions

Is Build Things free?
Build Things is free to download, with no in-app purchases.
Is Atomic Calendar free?
Atomic Calendar is free to download, with no in-app purchases.
Do Build Things or Atomic Calendar have ads?
Neither Build Things nor Atomic Calendar shows ads.

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