# tf vs EviMed

The clearest difference is in-app purchases: tf at none against EviMed's 10. EviMed's advantage is update cadence (every 2 weeks vs every 5 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. EviMed sells 10 one-off in-app purchases. tf asks for nothing beyond the download.

tf ships an update every 5 weeks, EviMed every 2 weeks. The most recent releases landed on September 16, 2026 and July 7, 2026 respectively.

## The numbers

| Metric | tf | EviMed |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/evimed/id1670527809/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 25 MB | 83 MB |
| Requires iOS | 13.0 | 13 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Chengdu DormitoryStore E-Commerce Co. Ltd.](https://appshunter.io/developer/1064904653) | [Beijing Sentum Health Co., Ltd.](https://appshunter.io/developer/1670309668) |

## What reviewers say

### tf

[App page](https://appshunter.io/ios/app/tf-eq/id1464844370)

**Features:** macOS Compatibility

**In-app purchases:** none


### EviMed

[App page](https://appshunter.io/ios/app/evimed/id1670527809)

This AI-powered tool searches and analyzes vast amounts of medical literature, guidelines, and drug information to provide evidence-based answers to clinical questions. It extracts key information and synthesizes knowledge to deliver qualitative and quantitative conclusions.

**Highlights:** Medical knowledge search engine, AI-powered evidence-based Q&A, Analysis of literature, guidelines, and drug data, Real-time updated global data, Information extraction and knowledge synthesis, Qualitative and quantitative conclusion generation

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 超级会员-基础版（月会员） | $39.99 | one-time |
| EviMed 药品遴选会员（月会员） | $59.99 | one-time |
| EviMed 药品遴选会员（季度） | $129.99 | one-time |
| 超级会员-专业版（月会员） | $149.99 | one-time |
| EviMed 药学联合会员（季度） | $199.99 | one-time |
| EviMed 药品遴选会员（半年度） | $299.99 | one-time |
| EviMed 药学联合会员（半年度） | $349.99 | one-time |
| EviMed 药品遴选会员（年度） | $399.99 | one-time |
| 超级会员-基础版（年会员） | $399.99 | one-time |
| 超级会员-旗舰版（月会员） | $399.99 | one-time |


## Frequently asked questions

### Is tf free?

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

### Is EviMed free?

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

### Do tf or EviMed have ads?

Neither tf nor EviMed shows ads.

### Which is updated more often, tf or EviMed?

tf ships an update every 5 weeks, and EviMed every 2 weeks. Most recently, tf was updated on September 16, 2026 and EviMed on July 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.*