# iPhylum vs TCAS English TestLab

The clearest difference is in-app purchases: iPhylum at none against TCAS English TestLab's 3. iPhylum also leads on update cadence (fortnightly vs every 5 weeks) and iOS requirement (6.0 vs 16.4). On price, ads and device support there is nothing between them.

Both are free to download. TCAS English TestLab sells 3 one-off in-app purchases. iPhylum asks for nothing beyond the download.

iPhylum ships an update fortnightly, TCAS English TestLab every 5 weeks. Both last shipped on October 12, 2026.

## The numbers

| Metric | iPhylum | TCAS English TestLab |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Monetization | Free | — |
| Size | 20 MB | 74 MB |
| Requires iOS | **6.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Thitipong Wongsatho](https://appshunter.io/developer/683911170) | [Golf Pakorn](https://appshunter.io/developer/556251655) |

## What reviewers say

### iPhylum

[App page](https://appshunter.io/ios/app/iphylum/id827715039)

This application simplifies the classification of animal phyla for educational purposes. It provides detailed information on the shared characteristics of animals and the criteria used for their classification into nine phyla.

**Highlights:** Animal phyla classification, Learning about animal characteristics, Educational tool for biology, Detailed biological information, Thai-developed educational app

**Features:** macOS Compatibility

**In-app purchases:** none


### TCAS English TestLab

[App page](https://appshunter.io/ios/app/tcas-english-testlab/id6788751746)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ส่งกำลังใจเบาๆ | $0.99 | one-time |
| เลี้ยงข้าวทีมงาน | $2.99 | one-time |
| ส่งพลังแบบจัดเต็ม | $4.99 | one-time |


## Frequently asked questions

### Is iPhylum free?

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

### Is TCAS English TestLab free?

TCAS English TestLab is free to download, with in-app purchases available.

### Do iPhylum or TCAS English TestLab have ads?

Neither iPhylum nor TCAS English TestLab shows ads.

### Which is updated more often, iPhylum or TCAS English TestLab?

iPhylum ships an update fortnightly, and TCAS English TestLab every 5 weeks. Most recently, iPhylum was updated on October 12, 2026 and TCAS English TestLab on October 12, 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.*