# Formeln & Tabellen Metall vs AEVO/ADA Trainer

The clearest difference is update cadence: AEVO/ADA Trainer at every 2 months against Formeln & Tabellen Metall's every 9 months. Formeln & Tabellen Metall's advantage is iOS requirement (10.0 vs 16.0). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Formeln & Tabellen Metall sells 6 one-off in-app purchases and AEVO/ADA Trainer sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Formeln & Tabellen Metall ships an update every 9 months, AEVO/ADA Trainer every 2 months. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Formeln & Tabellen Metall | AEVO/ADA Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 36.4% of reviews | **40.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 35 MB | 79 MB |
| Requires iOS | **10.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Verlag Europa-Lehrmittel Nourney Vollmer GmbH & Co. KG](https://appshunter.io/developer/675507028) | [LE Commsulting GmbH](https://appshunter.io/developer/927359665) |

## What reviewers say

### Formeln & Tabellen Metall

[App page](https://appshunter.io/ios/app/formeln-and-tabellen-metall/id1201678103)

This app provides quick conversions for basic units and calculations for angles, hardness, and fits. It includes technology tables for materials, threads, and fasteners, along with supplementary formulas and videos.

**Highlights:** Unit conversions, Angle calculations, Hardness value determination, Fit tolerance calculations, Material property tables, Thread and fastener data, Supplementary formulas and videos

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CNC-Technik, digitales Blätterdokument | $0.99 | one-time |
| Strukturierungsprinzipien & Referenzkennzeichnung in Schaltplänen | $0.99 | one-time |
| Technische Physik (digitales Blätterdokument) | $1.99 | one-time |
| Mechanik und Festigkeitslehre (digitales Blätterdokument) | $1.99 | one-time |
| Arbeitsplanung und Kalkulation (digitales Blätterdokument) | $1.99 | one-time |
| Fertigungstechnik (digitales Blätterdokument) | $1.99 | one-time |


### AEVO/ADA Trainer

[App page](https://appshunter.io/ios/app/aevoada-trainer/id1618917046)

Prepare for your IHK trainer aptitude exam with interactive quizzes and flashcards. Learn efficiently with a personalized study plan and practice questions based on the latest IHK framework plan. Study anytime, anywhere, even offline.

**Highlights:** IHK trainer aptitude exam preparation, Over 600 exam-relevant practice questions, Over 200 compact flashcards, Intelligent, personalized learning plan, Interactive quizzes and flashcards, Offline usability

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ausbildereignung - Praxis | $3.99 | one-time |
| Ausbildereignung - Grundlagen | $4.99 | one-time |
| "Ausbildereignung"-Bundle | $6.99 | one-time |


## Frequently asked questions

### Is Formeln & Tabellen Metall free?

Formeln & Tabellen Metall is free to download, with in-app purchases available.

### Is AEVO/ADA Trainer free?

AEVO/ADA Trainer is free to download, with in-app purchases available.

### Do Formeln & Tabellen Metall or AEVO/ADA Trainer have ads?

Neither Formeln & Tabellen Metall nor AEVO/ADA Trainer shows ads.

### Which is updated more often, Formeln & Tabellen Metall or AEVO/ADA Trainer?

Formeln & Tabellen Metall ships an update every 9 months, and AEVO/ADA Trainer every 2 months. Most recently, Formeln & Tabellen Metall was updated on October 4, 2026 and AEVO/ADA Trainer on October 7, 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.*