# Study Cards vs Diddle Riddle

The clearest difference is in-app purchases: Study Cards at none against Diddle Riddle's 3. Study Cards also leads on ads (none vs shown). Diddle Riddle's advantage is update cadence (weekly vs every 14 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Diddle Riddle sells 3 in-app purchases, starting at $1.99 per month. Study Cards asks for nothing beyond the download.

Study Cards ships an update every 14 months, Diddle Riddle weekly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Study Cards | Diddle Riddle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/study-cards-quiz-and-flashcards/id6503199737/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 14 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 2 MB | 47 MB |
| Requires iOS | 17.0 | 17 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Easy Simple Smart](https://appshunter.io/developer/1517332870) | [Applications iDream Inc](https://appshunter.io/developer/1405816175) |

## What reviewers say

### Study Cards

[App page](https://appshunter.io/ios/app/study-cards-quiz-and-flashcards/id6503199737)

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

**In-app purchases:** none


### Diddle Riddle

[App page](https://appshunter.io/ios/app/diddle-riddle/id6744586248)

Test your knowledge and deduction skills with clever riddles and challenging trivia. This game offers brain-teasing rounds inspired by detective tales, perfect for quick, engaging play. Put your inner detective to the test and see if you can solve them all.

**Highlights:** Clever riddles, Challenging trivia, Deduction skills, Score tracking, Brain-teasing rounds, Quick play

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Trivia Pro | $1.99 | per month |
| Trivia Elite Annual | $5.99 | per year |
| Weekly Trivia Challenge | $0.99 | one-time |


## Frequently asked questions

### Is Study Cards free?

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

### Is Diddle Riddle free?

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

### Do Study Cards or Diddle Riddle have ads?

Diddle Riddle shows ads; Study Cards does not.

### Which is updated more often, Study Cards or Diddle Riddle?

Study Cards ships an update every 14 months, and Diddle Riddle weekly. Most recently, Study Cards was updated on October 24, 2026 and Diddle Riddle on October 24, 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.*