Comparison

Walter Machining Calculator vs RJ DataSMS

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

Head to head
About

Walter Machining Calculator

Calculate machining time, power, torque, and cutting force for various operations. Compare existing tools with new ones to project potential savings.

Highlights
  • Calculate machining time, power, and torque
  • Determine cutting force and metal removal rate
  • Support for milling, drilling, boring, turning, and grooving
  • Thread tapping, forming, and milling calculations
  • Material selection for calculations
  • Savings calculator for tool comparison
Features
Read full description

Walter Machining Calculator Helps the user to calculate machining time, power, torque, cutting force, metal removal rate and chip thickness in a variety of machining operations, like Shoulder-, Face- and Slot-Milling, Drilling, Boring, Turning and Grooving, Thread Tapping, -Forming and -Milling, by selecting the material to machine and entering different machining parameters. With the Savings Calculator the user can also compare existing tool with a new tool and calculate projected savings.

About

RJ DataSMS

Features
Read full description

Aplikace umožňující komunikaci pomoci datových zpráv. Nahrazuje SMS.

Screenshots

Walter Machining Calculator3 screens
RJ DataSMS4 screens

Verdict

The call

The clearest difference is update cadence: RJ DataSMS at every 3 months against Walter Machining Calculator's every 19 months. RJ DataSMS also leads on iOS requirement (16.0 vs 18.0). 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

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

Walter Machining Calculator ships an update every 19 months, RJ DataSMS every 3 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard2 real differences · 8 level
Walter Machining Calculator versus RJ DataSMS: the parameters behind the verdict, then further details
ParameterWalter Machining CalculatorRJ DataSMS
PriceFreeFree
Rating3.0 (5 ratings) — better—
Positive reviews62.9% of reviews—
Number of ratings5 — better—
Update frequencyEvery 19 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad — betteriPhone
Requires iOS18.016.0 — better
Further details — not scored
Size95 MB31 MB
Age rating4+4+
DeveloperWalter-AGStudent Agency, k. s.

In-app purchases

None

Walter Machining Calculator

No in-app purchases

None

RJ DataSMS

No in-app purchases

Questions

Is Walter Machining Calculator free?
Walter Machining Calculator is free to download, with no in-app purchases.
Is RJ DataSMS free?
RJ DataSMS is free to download, with no in-app purchases.
Do Walter Machining Calculator or RJ DataSMS have ads?
Neither Walter Machining Calculator nor RJ DataSMS shows ads.
Which is updated more often, Walter Machining Calculator or RJ DataSMS?
Walter Machining Calculator ships an update every 19 months, and RJ DataSMS every 3 months. Most recently, Walter Machining Calculator was updated on November 1, 2026 and RJ DataSMS on November 3, 2026.

Other comparisons