# KDI CL vs Testdaf SprechTrainer

The clearest difference is in-app purchases: KDI CL at none against Testdaf SprechTrainer's 4. KDI CL also leads on iOS requirement (15.6 vs 18.2). Testdaf SprechTrainer's advantage is update cadence (every 3 weeks vs every 6 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Testdaf SprechTrainer sells 4 in-app purchases, starting at $2.99 per 7 days. KDI CL asks for nothing beyond the download.

KDI CL ships an update every 6 weeks, Testdaf SprechTrainer every 3 weeks. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | KDI CL | Testdaf SprechTrainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/kdi-cl/id966811904/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 32 MB | 12 MB |
| Requires iOS | **15.6** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [ido-it Co. Ltd.](https://appshunter.io/developer/610142253) | [翔宇 贾](https://appshunter.io/developer/1825630543) |

## What reviewers say

### KDI CL

[App page](https://appshunter.io/ios/app/kdi-cl/id966811904)

Access library services with a mobile ID, track seat availability, and reserve study rooms. This app helps users manage their library experience efficiently, including seat reservations and rental verification.

**Highlights:** Mobile ID for library access, Book rental and seat reservation verification, Real-time seat availability tracking, Study room reservation, Smart seat map and reservation system, Seat usage history tracking

**Features:** macOS Compatibility

**In-app purchases:** none


### Testdaf SprechTrainer

[App page](https://appshunter.io/ios/app/testdaf-sprechtrainer/id6756926422)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $2.99 | per 7 days |
| Unlock a new set of mock exam | $0.99 | one-time |
| Unlock 3 New Sets | $1.99 | one-time |
| 20 Credits | $2.99 | one-time |


## Frequently asked questions

### Is KDI CL free?

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

### Is Testdaf SprechTrainer free?

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

### Do KDI CL or Testdaf SprechTrainer have ads?

Neither KDI CL nor Testdaf SprechTrainer shows ads.

### Which is updated more often, KDI CL or Testdaf SprechTrainer?

KDI CL ships an update every 6 weeks, and Testdaf SprechTrainer every 3 weeks. Most recently, KDI CL was updated on November 1, 2026 and Testdaf SprechTrainer on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*