# Time Study Engineer vs SimpleTools

The clearest difference is in-app purchases: Time Study Engineer at none against SimpleTools's 2. Time Study Engineer also leads on ratings volume (3 vs 1) and iOS requirement (15.0 vs 17). SimpleTools's advantage is update cadence (every 4 weeks vs every 17 months). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. SimpleTools sells 2 in-app purchases, starting at $4.99 per 7 days. Time Study Engineer asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Time Study Engineer against 5.0 for SimpleTools. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Time Study Engineer ships an update every 17 months, SimpleTools every 4 weeks. The most recent releases landed on July 6, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Time Study Engineer | SimpleTools |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/time-study-engineer/id6740770124/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/simpletools-math-solver/id6759453418/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 4 weeks** |
| Monetization | **Free** | Freemium |
| Size | 7 MB | 18 MB |
| Requires iOS | **15.0** | 17 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Vijay Gurav](https://appshunter.io/developer/1791521119) | [Yevhenii Kniaziev](https://appshunter.io/developer/1878685835) |

## What reviewers say

### Time Study Engineer

[App page](https://appshunter.io/ios/app/time-study-engineer/id6740770124)

This application assists industrial engineers in production and manufacturing settings with straightforward time study analysis. It allows for the export of collected data via email.

**Highlights:** Time study analysis, Production floor assistance, Manufacturing environment support, Data export via email, Simple interface

**Features:** macOS Compatibility

**In-app purchases:** none


### SimpleTools

[App page](https://appshunter.io/ios/app/simpletools-math-solver/id6759453418)

Instantly solve math and statistics problems with AI-powered step-by-step explanations. Snap a photo of any problem to get a clear, structured solution and chat with AI for further clarification. Ideal for students and parents seeking to understand problem-solving methods.

**Highlights:** AI-powered math problem solving, Photo scan for instant solutions, Step-by-step explanations, Chat with AI for clarification, Solves algebra, calculus, statistics, and more, Unlimited scans with premium subscription

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $4.99 | per 7 days |
| Premium Yearly | $29.99 | per year |


## Frequently asked questions

### Is Time Study Engineer free?

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

### Is SimpleTools free?

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

### Which has better reviews, Time Study Engineer or SimpleTools?

Time Study Engineer and SimpleTools are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

### Do Time Study Engineer or SimpleTools have ads?

Neither Time Study Engineer nor SimpleTools shows ads.

### Which is updated more often, Time Study Engineer or SimpleTools?

Time Study Engineer ships an update every 17 months, and SimpleTools every 4 weeks. Most recently, Time Study Engineer was updated on July 6, 2026 and SimpleTools on September 18, 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.*