# Teching vs DrillOut Calcs

The clearest difference is review sentiment: DrillOut Calcs at 100% against Teching's 0%. DrillOut Calcs also leads on rating (5.0 vs 1.0) and update cadence (every 3 weeks vs every 3 months). Teching's advantage is iOS requirement (10.0 vs 18.5). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

DrillOut Calcs holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 5 and 2 respectively. Written reviews point the same way: 0% of Teching's written reviews are positive against 100% of DrillOut Calcs's.

Teching ships an update every 3 months, DrillOut Calcs every 3 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Teching | DrillOut Calcs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (5 ratings)](https://appshunter.io/ios/app/teching-intl-edition/id1548101175/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/drillout-calcs/id6754534235/reviews)** |
| Number of ratings | **5** | 2 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 43 MB | 3 MB |
| Requires iOS | **10.0** | 18.5 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Dongguan Zhiqing Information Technology Co., Ltd.](https://appshunter.io/developer/1495147249) | [Cody Martin](https://appshunter.io/developer/1796736420) |

## What reviewers say

### Teching

[App page](https://appshunter.io/ios/app/teching-intl-edition/id1548101175)

This platform enhances scientific literacy through interactive assembly of industrial machine models. It aims to improve users' understanding of industrial processes and foster a passion for labor, science, and learning. This international edition includes open control procedures.

**Highlights:** Industrial machine model assembly, Scientific literacy education, Industrial cognition improvement, Stimulates interest in labor and science, International edition with open controls

**Features:** macOS Compatibility

**In-app purchases:** none


### DrillOut Calcs

[App page](https://appshunter.io/ios/app/drillout-calcs/id6754534235)

This app offers essential calculations for oilfield professionals performing post-frac plug drill-outs. It provides quick and accurate tools to verify flow balance, annular velocity, sweep efficiency, and surface return timing in real time, designed for simplicity and speed.

**Highlights:** Post-frac plug drill-out calculations, Flow balance verification, Annular velocity calculation, Sweep efficiency assessment, Surface return timing, Real-time data verification

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

**In-app purchases:** none


## Frequently asked questions

### Is Teching free?

Teching is free to download, with no in-app purchases.

### Is DrillOut Calcs free?

DrillOut Calcs is free to download, with no in-app purchases.

### Which has better reviews, Teching or DrillOut Calcs?

DrillOut Calcs is rated higher. Teching averages 1.0 out of 5 from 5 ratings, while DrillOut Calcs averages 5.0 from 2 ratings.

### Do Teching or DrillOut Calcs have ads?

Neither Teching nor DrillOut Calcs shows ads.

### Which is updated more often, Teching or DrillOut Calcs?

Teching ships an update every 3 months, and DrillOut Calcs every 3 weeks. Most recently, Teching was updated on November 3, 2026 and DrillOut Calcs on November 5, 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.*