Comparison

Atomic Clock vs IFC Opener · IFC File Viewer

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

Head to head
About

Atomic Clock

This utility provides highly accurate time synchronization using NTP. View precise time with millisecond detail, compare your device clock to network time, and customize display styles. It's privacy-focused with no tracking or analytics.

Highlights
  • NTP-based time synchronization
  • Millisecond detail
  • Local time and UTC display
  • Offset and latency indicators
  • Automatic sync
  • Eight clock styles
  • Customizable colors
  • Privacy-focused
Features
Read full description

Atomic Clock – Precision Time is a professional precision clock and NTP time synchronization utility for anyone who needs highly accurate time directly on their device. Use reliable network time synchronization to view precise time with millisecond-level detail. Compare your device clock with network time, check sync offset and latency, switch between local time and UTC, and keep the screen on when you need a stable reference clock. Key features: • NTP-based time synchronization • Millisecond or 1/60-second detail • Local time and UTC display • Device offset and network latency indicators • Automatic sync with configurable intervals • Eight clock styles: circular dots, analog, minimalist, binary, neon glow, flip clock, Nixie tubes, and orbital dial • Custom accent colors and multi-color display • Night mode and keep-screen-on option • Privacy-focused: no account, no analytics, no tracking Atomic Clock – Precision Time is built for precise timing, clock drift checks, latency awareness, and a clean daily precision clock. Privacy Policy: https://5gotogo.github.io/AtomicClock-privacy/privacy-policy.html Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

IFC Opener · IFC File Viewer

Easily open and explore BIM data from IFC files on your Apple devices. Review project details, navigate spatial hierarchies, and audit model health. Export data to JSON or CSV for team collaboration.

Highlights
  • Open and explore IFC files
  • Spatial structure navigation
  • Entity browser and search
  • Bill of quantities review
  • Model audit and health check
  • 3D model visualization
  • Export to JSON and CSV
Features
Read full description

Open and explore IFC building models on your iPhone, iPad, and Mac. Designed for architects, engineers, and construction teams who need to review BIM data anywhere. OPEN IFC FILES INSTANTLY Tap any .ifc file to open it. Browse the full model overview with project details, entity counts, wall and door totals, property counts, and material summaries at a glance. SPATIAL STRUCTURE TREE Navigate the complete building hierarchy: sites, buildings, storeys, and individual elements. Tap any storey to drill down into every wall, slab, column, window, and space it contains. ENTITY BROWSER AND SEARCH Browse entities organized by type. Search any element by name, or use the built-in query builder to filter by type, property name, and value across the entire model. BILL OF QUANTITIES Review area and volume rollups grouped by element type. Verify quantities with unit labels pulled directly from the model data. MODEL AUDIT Check model health at a glance: rooted objects, property coverage, material assignments, classification status, duplicate GUIDs, missing names, and empty property sets. 3D VIEW Visualize the building geometry in an interactive 3D scene. Rotate, zoom, and inspect the model from every angle. MODEL COMPARE AND IDS VALIDATION Compare two IFC files side by side to spot additions, removals, and modifications. Run IDS (Information Delivery Specification) checks against your model. EXPORT TO JSON AND CSV Export the parsed model data as structured JSON or a clean CSV spreadsheet. Generate a detailed model report to share with your team. PRIVACY All files are processed on your device. Nothing is uploaded to any server. Privacy Policy: https://rush.tools/privacy Terms of Use: https://rush.tools/terms

Screenshots

Atomic Clock4 screens
IFC Opener · IFC File Viewer4 screens

Verdict

The call

The clearest difference is review sentiment: Atomic Clock at 100% against IFC Opener · IFC File Viewer's 0%. IFC Opener · IFC File Viewer's advantage is update cadence (weekly vs every 2 months) and device support (4 vs 1). On price, ads, in-app purchases and monetization model 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. Atomic Clock sells 2 in-app purchases, starting at $5.99 per month and IFC Opener · IFC File Viewer sells 2 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Atomic Clock ships an update every 2 months, IFC Opener · IFC File Viewer weekly. The most recent releases landed on November 5, 2026 and November 1, 2026 respectively.

Scorecard4 real differences · 6 level
Atomic Clock versus IFC Opener · IFC File Viewer: the parameters behind the verdict, then further details
ParameterAtomic ClockIFC Opener · IFC File Viewer
PriceFreeFree
Rating4.9 (7 ratings) — better—
Positive reviews100.0% of reviews — better0.0% of reviews
Number of ratings7 — better—
Update frequencyEvery 2 monthsWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhoneiPhone, iPad, iPod, Mac — better
Requires iOS17.615.0 — better
Further details — not scored
Size9 MB26 MB
Age rating4+4+
Developer家宝 戴Rush Tools LLC

Customer experience

Atomic Clock

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

IFC Opener · IFC File Viewer

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

2 purchases

Atomic Clock

Subscriptions2
  • AtomicClock Pro Monthly7 Days trial$5.991 Month
  • AtomicClock Pro Monthly7 Days trial$19.991 Year
2 purchases

IFC Opener · IFC File Viewer

Subscriptions2
  • Weekly Access$1.997 Days
  • Annual Access$39.991 Year

Questions

Is Atomic Clock free?
Atomic Clock is free to download, with in-app purchases available.
Is IFC Opener · IFC File Viewer free?
IFC Opener · IFC File Viewer is free to download, with in-app purchases available.
Do Atomic Clock or IFC Opener · IFC File Viewer have ads?
Neither Atomic Clock nor IFC Opener · IFC File Viewer shows ads.
Which is updated more often, Atomic Clock or IFC Opener · IFC File Viewer?
Atomic Clock ships an update every 2 months, and IFC Opener · IFC File Viewer weekly. Most recently, Atomic Clock was updated on November 5, 2026 and IFC Opener · IFC File Viewer on November 1, 2026.

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