Comparison

sDrives vs PLC Simulator, PLC Trainer

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

Head to head
About

sDrives

Access alarm descriptions, troubleshooting guides, and user manuals for Siemens drives. This professional tool provides essential information for commissioning and service, supporting a wide range of drive models.

Highlights
  • Quick alarm description access
  • Troubleshooting guides
  • Links to user manuals
  • Support for multiple Siemens drive models
  • Multi-language alarm descriptions
  • In-app purchase to unlock all drives
Features
Read full description

The 'sDrives - VFD help' app provides quick access to alarm descriptions of Siemens drives. In a second you get a full alarm description, troubleshooting guide and even a link to the latest user manual. App greatly helps by commissioning and service giving you the necessary information when you need it and where you need it. It is small but really feature full application. A professional tool for professionals. Currently supported drives: G110, G120 CU240B-2, , G120 CU240E-2, G120 CU230P-2, G120C, G120P, MM420, MM430, MM440, S110, SIMOREG DC-MASTER, SIMOVERT MASTERDRIVES VC, V20, V60, V90. The app is in English. For most popular drives the alarms descriptions are also available in Russian, Spanish, French, Italian and simplified Chinese. Free version is fully functioning but is limited with only one randomly chosen drive. If you like the app, you can unlock all the drives by means of in-app purchase. IMPORTANT DISCLAIMER This app IS NOT affiliated with Siemens AG or any of its affiliates!

About

PLC Simulator, PLC Trainer

Learn the fundamentals of Programmable Logic Controllers (PLCs) with an interactive simulator. Experiment with basic programming concepts, including timers, counters, and logic instructions. Save your progress and revisit projects anytime.

Highlights
  • Interactive PLC simulator
  • Learn PLC basics
  • Experiment with programming
  • Save and load programs
  • Understand logic circuits
  • User-friendly interface
Features
Read full description

This app is designed to help anyone that is new to PLCs and wants to learn the basics of "How a PLC works" and PLAY with a simple simulator to experiment with some simple programming. The app consist of three main sections, "How a PLC works", "PLC Block Diagram" and the PLC Simulator. The PLC Simulator allows the beginner to learn simple programming skills with 3 timers, 2 counters, 6 compare instructions, 2 Binary outputs and 3 RES outputs. The user interface is very friendly. For first time users, there is an information icon that shows just how easy this app is to program. The NEW SAVE feature allows a user to start a program and come back to it at a later time. This app also helps people better understand the exam-off instruction -[/]-, the "Seal-In" or "Latching" logic, such as a motor start/stop circuit and much more. Enjoy the fast growing world of PLCs. My daughter found it very useful for her Mechatronics class. Try it, you will like it.

Screenshots

sDrives4 screens
PLC Simulator, PLC Trainer4 screens

Verdict

The call

The clearest difference is rating: sDrives at 4.5 against PLC Simulator, PLC Trainer's 3.9. sDrives also leads on review sentiment (100% vs 75%) and iOS requirement (12.0 vs 14.0). PLC Simulator, PLC Trainer's advantage is in-app purchases (none vs 1). On price, ratings volume, update cadence and ads 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. sDrives sells 1 one-off in-app purchase. PLC Simulator, PLC Trainer asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

sDrives holds the better App Store score, 4.5 against 3.9. Both are backed by a comparable volume of ratings — 27 and 59 respectively. Written reviews point the same way: 100% of sDrives's written reviews are positive against 75% of PLC Simulator, PLC Trainer's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. Both last shipped on October 24, 2026.

Scorecard5 real differences · 5 level
sDrives versus PLC Simulator, PLC Trainer: the parameters behind the verdict, then further details
ParametersDrivesPLC Simulator, PLC Trainer
PriceFreeFree
Rating4.5 (27 ratings) — better3.9 (59 ratings)
Positive reviews100.0% of reviews — better75.0% of reviews
Number of ratings2759 — better
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.0 — better14.0
Further details — not scored
Size12 MB15 MB
Age rating4+4+
DeveloperEvgeny MakarenkovDavid White

Customer experience

sDrives

All ratings27 ratings
Positive92.6%
Neutral0.0%
Negative7.4%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

PLC Simulator, PLC Trainer

All ratings59 ratings
Positive71.2%
Neutral5.1%
Negative23.7%
Written reviews32 reviews
Positive75.0%
Neutral6.3%
Negative18.8%

In-app purchases

1 purchases

sDrives

One-time1
  • All Drives$1.99
None

PLC Simulator, PLC Trainer

No in-app purchases

Questions

Is sDrives free?
sDrives is free to download, with in-app purchases available.
Is PLC Simulator, PLC Trainer free?
PLC Simulator, PLC Trainer is free to download, with no in-app purchases.
Which has better reviews, sDrives or PLC Simulator, PLC Trainer?
sDrives is rated higher. sDrives averages 4.5 out of 5 from 27 ratings, while PLC Simulator, PLC Trainer averages 3.9 from 59 ratings.
Do sDrives or PLC Simulator, PLC Trainer have ads?
Neither sDrives nor PLC Simulator, PLC Trainer shows ads.
Which is updated more often, sDrives or PLC Simulator, PLC Trainer?
sDrives ships an update every 2 months, and PLC Simulator, PLC Trainer every 2 months. Most recently, sDrives was updated on October 24, 2026 and PLC Simulator, PLC Trainer on October 24, 2026.

Other comparisons