IAAPP.NET vs Straightness
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
IAAPP.NET
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An app addressed to manage the quality system of the Organisation. The app will manage the documents, the audit, and the non-conformities
Straightness
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This companion app performs straightness measurements using the AT-400 Ultimate on typical applications such as guides. The app guides the user through the complete measurement and alignment process when using the Bluetooth® connected ACOEM M9 sensor. This offers extensive, easy-to-use straightness measurement capability. The PDF Report function provides fast on-site reporting capability by converting saved measurement reports into PDF files. ---- Note: This app works only with the ACOEM AT-400 with the M9 sensor ---- Key Features: - Connected using Bluetooth® - GuideU: Our patented icon-based and color-coded adaptive user interface - New 3D views of the result - Create an instant PDF-report Visit the website www.acoem.com for more information on alignment in general, the ACOEM tools and support of the app.
Screenshots
Verdict
The clearest difference is update cadence: IAAPP.NET at every 6 days against Straightness's every 2 months. On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
IAAPP.NET ships an update every 6 days, Straightness every 2 months. The most recent releases landed on September 14, 2026 and September 17, 2026 respectively.
| Parameter | IAAPP.NET | Straightness |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 days — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.4 | 12.0 — better |
| Further details — not scored | ||
| Size | 25 MB | 59 MB |
| Age rating | 17+ | 4+ |
| Developer | ICMED S.R.L. | ACOEM Group |
In-app purchases
IAAPP.NET
No in-app purchases
Straightness
No in-app purchases
Questions
Is IAAPP.NET free?
Is Straightness free?
Do IAAPP.NET or Straightness have ads?
Which is updated more often, IAAPP.NET or Straightness?
Other comparisons
