Comparison

Meterbox Probes vs Straightness

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

Head to head
About

Meterbox Probes

Features
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1, the App can be connected via Bluetooth measuring instruments, the measured data is displayed in the App. 2, an App can connect multiple measuring instruments. 3, the measurement results can be through the list, curves, tables presented. 4, the measured data can be shared by mail. 5, App has a measurement project management, if you accidentally did not export the data, it does not matter, we will automatically save the data.

About

Straightness

Features
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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

Meterbox Probes4 screens
Straightness4 screens

Verdict

The call

The clearest difference is iOS requirement: Straightness at 12.0 against Meterbox Probes's 15.6. On price, 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

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

UpkeepUpdate frequency

Meterbox Probes ships an update every 3 months, Straightness every 2 months. The most recent releases landed on October 12, 2026 and October 17, 2026 respectively.

Scorecard1 real difference · 5 level
Meterbox Probes versus Straightness: the parameters behind the verdict, then further details
ParameterMeterbox ProbesStraightness
PriceFreeFree
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.612.0 — better
Further details — not scored
Size5 MB59 MB
Age rating17+4+
DeveloperShenzhen Everbest Machinery Industry Co.,LtdACOEM Group

In-app purchases

None

Meterbox Probes

No in-app purchases

None

Straightness

No in-app purchases

Questions

Is Meterbox Probes free?
Meterbox Probes is free to download, with no in-app purchases.
Is Straightness free?
Straightness is free to download, with no in-app purchases.
Do Meterbox Probes or Straightness have ads?
Neither Meterbox Probes nor Straightness shows ads.
Which is updated more often, Meterbox Probes or Straightness?
Meterbox Probes ships an update every 3 months, and Straightness every 2 months. Most recently, Meterbox Probes was updated on October 12, 2026 and Straightness on October 17, 2026.

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