# EF vs Inkdrift

The clearest difference is in-app purchases: Inkdrift at none against EF's 8. EF's advantage is iOS requirement (15.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. EF sells 8 in-app purchases, starting at $1.99 per month. Inkdrift asks for nothing beyond the download.

EF ships an update every 3 days, Inkdrift every 4 days. The most recent releases landed on October 1, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | EF | Inkdrift |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/inkdrift-graded-reader/id6760686791/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 4 days |
| Monetization | — | Free |
| Size | 199 MB | 46 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 12+ |
| Developer | [Kenneth Guber, M.D. LLC](https://appshunter.io/developer/1860110576) | [Andrew Stromme LLC](https://appshunter.io/developer/1188928700) |

## What reviewers say

### EF

[App page](https://appshunter.io/ios/app/ef-ortless-echo-trainer/id6758357075)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Echo+ Monthly | $1.99 | per month |
| Echo Pro Monthly | $2.99 | per month |
| Intern's Stash | $0.99 | one-time |
| Exam Cram Pass | $0.99 | one-time |
| Ischemia Detector | $0.99 | one-time |
| Right Heart Warrior | $0.99 | one-time |
| Fellow's Wallet | $2.99 | one-time |
| Attending's Vault | $9.99 | one-time |


### Inkdrift

[App page](https://appshunter.io/ios/app/inkdrift-graded-reader/id6760686791)

This app offers a distraction-free reading experience for language learners. Instantly get contextual definitions by tapping words or full sentence translations by holding them, all within the text. It includes built-in stories and allows importing your own EPUB files to build reading habits.

**Highlights:** Instant contextual definitions, Full sentence translations, EPUB file import, Built-in graded stories, Daily reading timers, Reading streak tracking, Cumulative reading badges

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

**In-app purchases:** none


## Frequently asked questions

### Is EF free?

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

### Is Inkdrift free?

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

### Do EF or Inkdrift have ads?

Neither EF nor Inkdrift shows ads.

### Which is updated more often, EF or Inkdrift?

EF ships an update every 3 days, and Inkdrift every 4 days. Most recently, EF was updated on October 1, 2026 and Inkdrift on October 2, 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.*