# Smart Repetition vs Dopus

The clearest difference is update cadence: Smart Repetition at every 3 weeks against Dopus's every 3 months. Dopus's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Smart Repetition sells 6 in-app purchases, starting at $1.99 per month and Dopus sells 1 in-app purchase, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Smart Repetition ships an update every 3 weeks, Dopus every 3 months. The most recent releases landed on November 3, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Smart Repetition | Dopus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (12 ratings)](https://appshunter.io/ios/app/smart-repetition/id1556865655/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 95.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Freemium | — |
| Size | 12 MB | 60 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Elena Kuraeva](https://appshunter.io/developer/1556865657) | [Lev Shapiro](https://appshunter.io/developer/1869294617) |

## What reviewers say

### Smart Repetition

[App page](https://appshunter.io/ios/app/smart-repetition/id1556865655)

This app helps you memorize information using spaced repetition, a technique that optimizes learning for long-term retention. Create digital flashcards for words, phrases, or rules and let the algorithm schedule reviews at increasing intervals, minimizing study time.

**Highlights:** Spaced repetition algorithm, Customizable flashcards, Long-term memory storage, Optimized study intervals, Progress tracking

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription for a month | $1.99 | per month |
| Subscription for a year | $9.99 | per year |
| filter | $3.99 | one-time |
| capuchino | $4.99 | one-time |
| capuchino_croissant | $12.99 | one-time |
| Photo cards | $29.99 | one-time |


### Dopus

[App page](https://appshunter.io/ios/app/dopus/id6758519753)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dopus Pro | $5.99 | per month |


## Frequently asked questions

### Is Smart Repetition free?

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

### Is Dopus free?

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

### Do Smart Repetition or Dopus have ads?

Neither Smart Repetition nor Dopus shows ads.

### Which is updated more often, Smart Repetition or Dopus?

Smart Repetition ships an update every 3 weeks, and Dopus every 3 months. Most recently, Smart Repetition was updated on November 3, 2026 and Dopus on October 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*