Comparison

Revo Assistant vs SpringCalc

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

Head to head
About

Revo Assistant

Control your 3D scanner accessories with this app. Adjust rotation speed, tilt angle, and direction for efficient 3D data capture. Eliminate blind spots for comprehensive object scanning.

Highlights
  • Control dual axis turntable
  • Control large turntable
  • Adjust rotation speed
  • Adjust tilt angle
  • Set rotation direction
  • Efficient 3D data capture
Features
Read full description

Revo Assistant is an App for Revopoint 3D scanner accessories. With this APP, you can control the dual axis turntable and large turntalbe's rotation speed, tilt angle, rotation direction and more. This App assists the 3D scanner capturing 3D data of object surface free from blind zone, making scanning more efficient.

About

SpringCalc

Features
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SpringCalc is a professional engineering calculator for mechanical springs. Enter any subset of spring parameters and SpringCalc solves for the rest — wire diameter, mean diameter, coil count, free length, spring rate, force, stress, safety factor and predicted fatigue life. Features: • Three spring types: Compression, Extension, Torsion • 15 built-in materials (Music Wire, Hard Drawn, Oil Tempered, Chrome Silicon, Chrome Vanadium, 302/304/316/17-7 PH Stainless, Phosphor Bronze, Beryllium Copper, Monel 400, Inconel 600/X-750/718) with JIS aliases (SWP-A/B, SUS302/304/316-WPB, SWOSC-V, etc.) • ASTM/SAE and JIS B 2704 calculation standards • Constraint-based solver with Wahl factor stress correction • Goodman + Basquin fatigue life prediction with environmental and temperature derating • Force-deflection and S-N curves via Swift Charts • 3-candidate design suggestion when system is under-determined • Standard wire gauge snap (ISO 2702 / SWG) • Custom material editor • Metric, Imperial and Mixed (mm/kgf) units • PDF and text report export • Save designs locally with SwiftData • Localized in English, Traditional Chinese and Japanese References: Shigley's Mechanical Engineering Design 10e Ch.10, JIS B 2704:2009, JIS B 2705:2014, SMI Handbook of Spring Design. All calculations run entirely on-device — no account, no cloud, no tracking.

Screenshots

Revo Assistant4 screens
SpringCalc4 screens

Verdict

The call

The clearest difference is ads: Revo Assistant at none against SpringCalc's shown. Revo Assistant also leads on iOS requirement (13.0 vs 17.0). On price, update cadence, 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

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

UpkeepUpdate frequency

Revo Assistant ships an update every 3 weeks, SpringCalc every 2 weeks. The most recent releases landed on October 20, 2026 and October 28, 2026 respectively.

Scorecard2 real differences · 8 level
Revo Assistant versus SpringCalc: the parameters behind the verdict, then further details
ParameterRevo AssistantSpringCalc
PriceFreeFree
Rating4.0 (3 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings3 — better—
Update frequencyEvery 3 weeksEvery 2 weeks — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPod — betteriPhone
Requires iOS13.0 — better17.0
Further details — not scored
Size10 MB7 MB
Age rating4+4+
DeveloperRevopoint 3D Technologies Inc.Sui Fai Law

In-app purchases

None

Revo Assistant

No in-app purchases

None

SpringCalc

No in-app purchases

Questions

Is Revo Assistant free?
Revo Assistant is free to download, with no in-app purchases.
Is SpringCalc free?
SpringCalc is free to download, with no in-app purchases.
Do Revo Assistant or SpringCalc have ads?
SpringCalc shows ads; Revo Assistant does not.
Which is updated more often, Revo Assistant or SpringCalc?
Revo Assistant ships an update every 3 weeks, and SpringCalc every 2 weeks. Most recently, Revo Assistant was updated on October 20, 2026 and SpringCalc on October 28, 2026.

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