Comparison

iBeams Pro vs Thatdidhappen

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

Head to head
About

iBeams Pro

This app allows engineers to quickly sketch beam designs and instantly view analysis diagrams for shear, moment, and deflection. It offers rapid modification and analysis, streamlining the design process for structural elements. The file format is compatible with its macOS counterpart.

Highlights
  • Instant shear, moment, and deflection diagrams
  • Sketch beam and loads like on a pad
  • Rapid modification and analysis
  • Imperial and S.I. units
  • Editable material and section properties
  • Cloud document storage
Features
Read full description

Unlike traditional design tools where you have to define nodes and elements to model your structure, iBeams Pro let's you work like you normally do. You sketch out your beam and loads like you would on a design pad, and instantly view shear, moment, deflection and reactions diagrams. It is very easy to modify and view variations, and you can rapidly analyze several beams in a matter of minutes rather than hours, allowing you to finish your designs more rapidly than ever before. The file format is compatible with iBeams Pro for macOS. Features include: • Beam diagrams with multiple loads and supports, and the corresponding shear, moment, deflection, and reaction diagrams • User editable properties • Imperial and S.I. (metric) units • Editable material and section properties (ships with AISC, BS5950, CISC, and AS/NZS databases) • Multiple supports • Multiple loads • Joints and Moment Releases • Annotations • synchronize preferences and property settings between macOS and iOS versions of this application • support for storing documents on Cloud shares

About

Thatdidhappen

Features
Read full description

Thatdidhappen is your personal evidence documentation app. Document important events directly on your device - no cloud, no servers, just local storage. THREE SPECIALIZED MODULES: SCREENSHOT DOCUMENTATION Import screenshots of messages, social media posts or websites. The app automatically calculates the SHA-256 hash for integrity verification. MEMORY PROTOCOL Record conversations, incidents or meetings. Document date, location, participants and witnesses in a structured format. PHOTO DOCUMENTATION Photograph accidents, defects or handovers with GPS location. Perfect for apartment handovers, parking damages or property damage. WHY THATDIDHAPPEN? - All data stays on your device - No account required - SHA-256 hash calculation for every screenshot - PDF export for all documents - Automatic document hashes - English and German - Dark mode support Ideal for: Landlords, tenants, drivers, parents, employees - anyone who needs to secure evidence.

Screenshots

iBeams Pro4 screens
Thatdidhappen4 screens

Verdict

The call

The clearest difference is price: Thatdidhappen at $2.99 against iBeams Pro's $21.99. Thatdidhappen also leads on update cadence (every 3 days vs every 4 months) and iOS requirement (13.0 vs 17.0). On ads, in-app purchases 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

iBeams Pro costs $21.99 and Thatdidhappen $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

iBeams Pro ships an update every 4 months, Thatdidhappen every 3 days. The most recent releases landed on October 23, 2026 and October 28, 2026 respectively.

Scorecard3 real differences · 7 level
iBeams Pro versus Thatdidhappen: the parameters behind the verdict, then further details
ParameteriBeams ProThatdidhappen
Price$21.99$2.99 — better
Rating3.7 (6 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings6 — better—
Update frequencyEvery 4 monthsEvery 3 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.013.0 — better
Further details — not scored
Size12 MB2 MB
Age rating4+4+
DeveloperNorm SchusterADHOCON GmbH

In-app purchases

None

iBeams Pro

No in-app purchases

None

Thatdidhappen

No in-app purchases

Questions

Is iBeams Pro free?
iBeams Pro costs $21.99, with no in-app purchases.
Is Thatdidhappen free?
Thatdidhappen costs $2.99, with no in-app purchases.
Do iBeams Pro or Thatdidhappen have ads?
Neither iBeams Pro nor Thatdidhappen shows ads.
Which is updated more often, iBeams Pro or Thatdidhappen?
iBeams Pro ships an update every 4 months, and Thatdidhappen every 3 days. Most recently, iBeams Pro was updated on October 23, 2026 and Thatdidhappen on October 28, 2026.

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