# Flashcards! vs CloudLabs Energy Sources

The clearest difference is in-app purchases: CloudLabs Energy Sources at none against Flashcards!'s 1. CloudLabs Energy Sources also leads on ads (none vs shown) and iOS requirement (9.0 vs 14.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Flashcards! sells 1 one-off in-app purchase. CloudLabs Energy Sources asks for nothing beyond the download.

Flashcards! ships an update every 23 months, CloudLabs Energy Sources every 22 months. The most recent releases landed on October 11, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Flashcards! | CloudLabs Energy Sources |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 23 months | **Every 22 months** |
| Monetization | Free with in-app purchases | — |
| Size | 73 MB | 70 MB |
| Requires iOS | 14.0 | **9.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Core Engine Apps](https://appshunter.io/developer/382236096) | [Jiovany Orozco](https://appshunter.io/developer/1114670847) |

## What reviewers say

### Flashcards!

[App page](https://appshunter.io/ios/app/flashcards-word-learning/id1140070027)

This app offers a visually engaging way to teach young children with a collection of 300 flashcards across 11 categories. Users can create custom decks using their own photos and record personalized voiceovers for a tailored learning experience.

**Highlights:** 300 flashcards in 11 categories, Stunning photographs on cards, Professionally recorded voiceovers, Custom deck creation, Use photos from library or camera, Record custom voiceovers, Simple swipe and tap navigation

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads and restrictions | $0.99 | one-time |


### CloudLabs Energy Sources

[App page](https://appshunter.io/ios/app/cloudlabs-energy-sources/id1633712508)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Flashcards! free?

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

### Is CloudLabs Energy Sources free?

CloudLabs Energy Sources is free to download, with no in-app purchases.

### Do Flashcards! or CloudLabs Energy Sources have ads?

Flashcards! shows ads; CloudLabs Energy Sources does not.

### Which is updated more often, Flashcards! or CloudLabs Energy Sources?

Flashcards! ships an update every 23 months, and CloudLabs Energy Sources every 22 months. Most recently, Flashcards! was updated on October 11, 2026 and CloudLabs Energy Sources on October 13, 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.*