# Edubase Reader vs SWISS ENGINEERING STV/UTS/ATS

The clearest difference is in-app purchases: Edubase Reader at none against SWISS ENGINEERING STV/UTS/ATS's 20. Edubase Reader also leads on update cadence (every 3 months vs every 8 months). SWISS ENGINEERING STV/UTS/ATS's advantage is iOS requirement (12.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. SWISS ENGINEERING STV/UTS/ATS sells 20 one-off in-app purchases. Edubase Reader asks for nothing beyond the download.

Edubase Reader ships an update every 3 months, SWISS ENGINEERING STV/UTS/ATS every 8 months. The most recent releases landed on September 10, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Edubase Reader | SWISS ENGINEERING STV/UTS/ATS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 8 months |
| Size | 18 MB | 85 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [SilkCode GmbH](https://appshunter.io/developer/687848362) | [kuenzlerbachmann verlag ag](https://appshunter.io/developer/1553047199) |

## What reviewers say

### Edubase Reader

[App page](https://appshunter.io/ios/app/edubase-reader/id975161199)

**Features:** Vision Pro support

**In-app purchases:** none


### SWISS ENGINEERING STV/UTS/ATS

[App page](https://appshunter.io/ios/app/swiss-engineering-stvutsats/id1051348429)

**In-app purchases (20)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Swiss Engineering RTS 00-04-02 | $3.99 | one-time |
| Swiss Engineering RTS 00-04-03 | $3.99 | one-time |
| Swiss Engineering RTS 00-04-04 | $3.99 | one-time |
| Swiss Engineering RTS 00-04-05 | $3.99 | one-time |
| Swiss Engineering RTS 00-04-06 | $3.99 | one-time |
| Swiss Engineering RTS 00-04-07 | $3.99 | one-time |
| Swiss Engineering RTS 00-04-08 | $3.99 | one-time |
| Swiss Engineering RTS 00-04-09 | $3.99 | one-time |
| Swiss Engineering RTS 00-04-10 | $3.99 | one-time |
| Swiss Engineering RTS 00-04-11 | $3.99 | one-time |
| Swiss Engineering STZ 00-03-03 | $4.99 | one-time |
| Swiss Engineering STZ 00-03-10 | $4.99 | one-time |
| Swiss Engineering STZ 00-03-02 | $4.99 | one-time |
| Swiss Engineering STZ 00-03-11 | $4.99 | one-time |
| Swiss Engineering STZ 00-03-05 | $4.99 | one-time |
| Swiss Engineering STZ 00-03-07 | $4.99 | one-time |
| Swiss Engineering STZ 00-03-04 | $4.99 | one-time |
| Swiss Engineering STZ 00-03-06 | $4.99 | one-time |
| Swiss Engineering STZ 00-03-08 | $4.99 | one-time |
| Swiss Engineering STZ 00-03-09 | $4.99 | one-time |


## Frequently asked questions

### Is Edubase Reader free?

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

### Is SWISS ENGINEERING STV/UTS/ATS free?

SWISS ENGINEERING STV/UTS/ATS is free to download, with in-app purchases available.

### Do Edubase Reader or SWISS ENGINEERING STV/UTS/ATS have ads?

Neither Edubase Reader nor SWISS ENGINEERING STV/UTS/ATS shows ads.

### Which is updated more often, Edubase Reader or SWISS ENGINEERING STV/UTS/ATS?

Edubase Reader ships an update every 3 months, and SWISS ENGINEERING STV/UTS/ATS every 8 months. Most recently, Edubase Reader was updated on September 10, 2026 and SWISS ENGINEERING STV/UTS/ATS 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.*