# SimVSM vs Time Study Buddy

The clearest difference is review sentiment: Time Study Buddy at 100% against SimVSM's 0%. Time Study Buddy also leads on rating (3.0 vs 2.0) and in-app purchases (none vs 9). SimVSM's advantage is update cadence (every 6 weeks vs every 4 months) and iOS requirement (12.0 vs 15.6). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. SimVSM sells 9 in-app purchases, starting at $8.99 per month. Time Study Buddy asks for nothing beyond the download.

Time Study Buddy holds the better App Store score, 3.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews point the same way: 0% of SimVSM's written reviews are positive against 100% of Time Study Buddy's.

SimVSM ships an update every 6 weeks, Time Study Buddy every 4 months. The most recent releases landed on September 28, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | SimVSM | Time Study Buddy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/simvsm/id1212829700/reviews) | **[3.0 (2 ratings)](https://appshunter.io/ios/app/time-study-buddy/id1291702733/reviews)** |
| Number of ratings | 1 | **2** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 27 MB | 5 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SimPlan AG](https://appshunter.io/developer/1091504286) | [Fiscal Experts, Inc.](https://appshunter.io/developer/1291702732) |

## 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 |


### Time Study Buddy

[App page](https://appshunter.io/ios/app/time-study-buddy/id1291702733)

Streamline your time study process with this mobile application, designed to sync seamlessly with your desktop software. It offers specialized support for California County Social Services and Public Health programs. This tool is available at no cost to existing county customers.

**Highlights:** Parallel time study entry, Automatic data mirroring, Desktop software integration, Specialized county program support, Free for existing customers

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SimVSM free?

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

### Is Time Study Buddy free?

Time Study Buddy is free to download, with no in-app purchases.

### Which has better reviews, SimVSM or Time Study Buddy?

Time Study Buddy is rated higher. SimVSM averages 2.0 out of 5 from 1 ratings, while Time Study Buddy averages 3.0 from 2 ratings.

### Do SimVSM or Time Study Buddy have ads?

Neither SimVSM nor Time Study Buddy shows ads.

### Which is updated more often, SimVSM or Time Study Buddy?

SimVSM ships an update every 6 weeks, and Time Study Buddy every 4 months. Most recently, SimVSM was updated on September 28, 2026 and Time Study Buddy on June 1, 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.*