# Rootle vs METS词根记

The clearest difference is update cadence: METS词根记 at fortnightly against Rootle's every 5 weeks. Rootle's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 18.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Rootle sells 3 in-app purchases, starting at $2.99 per month and METS词根记 sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Rootle ships an update every 5 weeks, METS词根记 fortnightly. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Rootle | METS词根记 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rootle-biomedical-vocabulary/id6749337097/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 51 MB | 263 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Rootle LLC](https://appshunter.io/developer/1830084667) | [Hefei Mingmo Information Technology Co., Ltd.](https://appshunter.io/developer/6811739909) |

## What reviewers say

### Rootle

[App page](https://appshunter.io/ios/app/rootle-biomedical-vocabulary/id6749337097)

Learn English biomedical vocabulary through interactive guessing. This app breaks down complex terms using root words and provides context sentences and audio pronunciation. Study over 460 root families with offline access.

**Highlights:** SMART GUESSING learning method, Root-first approach to decoding terms, Active guessing for memory reinforcement, Context sentences for real-world usage, Audio pronunciation for all terms, Offline study mode, Search and filter by system or alphabetically

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rootle Monthly Access | $2.99 | per month |
| Rootle Yearly Access | $12.99 | per year |
| Rootle Lifetime Access | $19.99 | one-time |


### METS词根记

[App page](https://appshunter.io/ios/app/mets/id6811740247)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $9.99 | per month |
| Annual Premium | $39.99 | per year |


## Frequently asked questions

### Is Rootle free?

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

### Is METS词根记 free?

METS词根记 is free to download, with in-app purchases available.

### Do Rootle or METS词根记 have ads?

Neither Rootle nor METS词根记 shows ads.

### Which is updated more often, Rootle or METS词根记?

Rootle ships an update every 5 weeks, and METS词根记 fortnightly. Most recently, Rootle was updated on October 24, 2026 and METS词根记 on October 26, 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.*