# DIFY vs Engram

The clearest difference is in-app purchases: DIFY at none against Engram's 4. DIFY also leads on iOS requirement (14.0.0 vs 18.0). Engram's advantage is update cadence (every 4 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Engram sells 4 in-app purchases, starting at $1.99 per 7 days. DIFY asks for nothing beyond the download.

DIFY ships an update every 2 months, Engram every 4 days. The most recent releases landed on October 28, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | DIFY | Engram |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/engram-flashcards-and-spelling/id6787166693/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | — | Freemium |
| Size | 63 MB | 21 MB |
| Requires iOS | **14.0.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Y4 CSTM](https://appshunter.io/developer/1876361136) | [生虎 陈](https://appshunter.io/developer/1883706650) |

## What reviewers say

### DIFY

[App page](https://appshunter.io/ios/app/dify-driving-instructor/id6759010961)

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

**In-app purchases:** none


### Engram

[App page](https://appshunter.io/ios/app/engram-flashcards-and-spelling/id6787166693)

This app uses cognitive science and gamified typing to help you permanently learn English vocabulary. It features spaced repetition, contextual spelling challenges, and audio dictation to build memory and improve spelling and listening comprehension.

**Highlights:** Scientific Spaced Repetition (SRS), Contextual Spelling Challenges, Audio Dictation Arena, Official Lexicons & Custom Imports, Neon Glassmorphic Card Aesthetics, Analytics & Memory Heatmaps

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $1.99 | per 7 days |
| Monthly Pro | $4.99 | per month |
| Yearly Pro | $12.99 | per year |
| Engram Lifetime Pro | $99.99 | one-time |


## Frequently asked questions

### Is DIFY free?

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

### Is Engram free?

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

### Do DIFY or Engram have ads?

Neither DIFY nor Engram shows ads.

### Which is updated more often, DIFY or Engram?

DIFY ships an update every 2 months, and Engram every 4 days. Most recently, DIFY was updated on October 28, 2026 and Engram 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.*