# SimVSM vs LSSI

The clearest difference is rating: LSSI at 5.0 against SimVSM's 2.0. LSSI also leads on update cadence (fortnightly vs every 6 weeks). SimVSM's advantage is iOS requirement (12.0 vs 15.5). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. SimVSM sells 9 in-app purchases, starting at $8.99 per month and LSSI sells 8 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

LSSI holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

SimVSM ships an update every 6 weeks, LSSI fortnightly. The most recent releases landed on September 10, 2026 and September 3, 2026 respectively.

## The numbers

| Metric | SimVSM | LSSI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/simvsm/id1212829700/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lssi/id1615149540/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 27 MB | 95 MB |
| Requires iOS | **12.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SimPlan AG](https://appshunter.io/developer/1091504286) | [Lean Six Sigma Institute](https://appshunter.io/developer/1608279942) |

## What reviewers say

### SimVSM

[App page](https://appshunter.io/ios/app/simvsm/id1212829700)

Easily create and document value streams on your mobile device. Visualize process steps, calculate KPIs, and identify areas for improvement. Offers free basic functionality with optional subscriptions for advanced features like printing and simulation.

**Highlights:** Drag & drop value stream modeling, Digital and visual documentation, Calculation of static KPIs, Dynamic cycle time and flow rate calculation, Classification of value-adding/non-value-adding steps, Plausibility checks during modeling, Multiple view modes

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VSM 4.0 subscription | $8.99 | per month |
| Standard | $8.99 | per month |
| Premium (monthly) | $24.99 | per month |
| VSM 4.0 | $71.99 | per year |
| Standard (Annual) | $89.99 | per year |
| Premium (annual) | $249.00 | per year |
| Ultimate subscription | $449.00 | per month |
| Free simulation runs | Free | one-time |
| Expert addon | $49.99 | one-time |


### LSSI

[App page](https://appshunter.io/ios/app/lssi/id1615149540)

Connect with professionals globally, join groups, and participate in Master Classes. Access practical tools, guidelines, and courses, and discover job opportunities. Share your business case studies and enhance your professional development.

**Highlights:** Global professional networking, Join and create discussion groups, Participate in Master Classes, Access practical tools and guidelines, Read and share business case studies, Job opportunity search

**Features:** macOS Compatibility, Apple Wallet, Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LSSI Pro Membership | $9.99 | per month |
| LSSI Premium Membership | $99.99 | per month |
| Lean Management Certification | $199.99 | one-time |
| LSS White Belt Certification | $199.99 | one-time |
| LSS Yellow Belt Certification | $499.99 | one-time |
| LSS Green Belt Certification | $699.99 | one-time |
| LSS Black Belt Certification | $799.99 | one-time |
| LSS Green Belt Certification | $799.99 | one-time |


## Frequently asked questions

### Is SimVSM free?

SimVSM is free to download, with in-app purchases available.

### Is LSSI free?

LSSI is free to download, with in-app purchases available.

### Which has better reviews, SimVSM or LSSI?

LSSI is rated higher. SimVSM averages 2.0 out of 5 from 1 ratings, while LSSI averages 5.0 from 1 ratings.

### Do SimVSM or LSSI have ads?

Neither SimVSM nor LSSI shows ads.

### Which is updated more often, SimVSM or LSSI?

SimVSM ships an update every 6 weeks, and LSSI fortnightly. Most recently, SimVSM was updated on September 10, 2026 and LSSI on September 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*