# RecallMate vs E

The clearest difference is in-app purchases: RecallMate at none against E's 10. E's advantage is iOS requirement (15.1 vs 18.2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. E sells 10 in-app purchases, starting at $0.99 per month. RecallMate asks for nothing beyond the download.

RecallMate ships an update weekly, E every 5 days. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | RecallMate | E |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 5 days** |
| Size | 7 MB | 67 MB |
| Requires iOS | 18.2 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tetsuhiro Nomura](https://appshunter.io/developer/1806548895) | [nachito fukuda](https://appshunter.io/developer/1795833848) |

## What reviewers say

### RecallMate

[App page](https://appshunter.io/ios/app/recallmate-spaced-repetition/id6744206597)

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

**In-app purchases:** none


### E

[App page](https://appshunter.io/ios/app/e-game/id6746064585)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-Free Experience | $0.99 | per month |
| citlin Premier+ | $2.99 | per month |
| Ad-Free Annual | $11.99 | per year |
| citlin Premier Pro | $29.99 | per year |
| EIKEN Unlimited Plan Grades 3 | $1.99 | one-time |
| EIKENUnlimitedPlan Grades pre2 | $2.99 | one-time |
| EIKEN Unlimited Plan Grades 2 | $3.99 | one-time |
| EIKENUnlimited PlanGrades pre1 | $4.99 | one-time |
| Unlimited Plan Grades 1 | $6.99 | one-time |
| Unlimited Plan (Grades 1–3) | $11.99 | one-time |


## Frequently asked questions

### Is RecallMate free?

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

### Is E free?

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

### Do RecallMate or E have ads?

Neither RecallMate nor E shows ads.

### Which is updated more often, RecallMate or E?

RecallMate ships an update weekly, and E every 5 days. Most recently, RecallMate was updated on October 24, 2026 and E on October 16, 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.*