# Flipped Primary vs calculets

The clearest difference is ads: Flipped Primary at none against calculets's shown. Flipped Primary also leads on update cadence (monthly vs every 2 months) and monetization model (free vs ad-supported). calculets's advantage is review sentiment (89% vs 69%). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Flipped Primary ships an update monthly, calculets every 2 months. Both last shipped on November 2, 2026.

## The numbers

| Metric | Flipped Primary | calculets |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (38 ratings)](https://appshunter.io/ios/app/calculets-math-game-puzzle/id1239048330/reviews)** |
| Number of ratings | — | **38** |
| Positive reviews | 69.2% of reviews | **88.6% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | **Free** | Ad-supported |
| Size | 28 MB | 24 MB |
| Requires iOS | **7.1** | 12.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Miguel Angel Azorin Lopez](https://appshunter.io/developer/1177965981) | [Jaime C. Carriedo](https://appshunter.io/developer/785723408) |

## What reviewers say

### Flipped Primary

[App page](https://appshunter.io/ios/app/flipped-primary/id1153410203)

This app uses the Flipped Classroom methodology with over two thousand educational videos for all Primary school subjects. It encourages independent learning by sometimes omitting video links, prompting students to research. It's designed for students, parents, and teachers to reinforce learning at home and in class.

**Highlights:** Flipped Classroom methodology, Over 2000 educational videos, Primary school subjects covered, Encourages independent research, Reinforces learning, Teacher-parent communication tools

**Features:** macOS Compatibility

**In-app purchases:** none


### calculets

[App page](https://appshunter.io/ios/app/calculets-math-game-puzzle/id1239048330)

Engage in a simple yet challenging arithmetic puzzle game. Combine numbers using addition, subtraction, multiplication, and division to reach a target number. Offers multiple difficulty levels and an undo feature for mistakes.

**Highlights:** Arithmetic puzzle gameplay, Addition, subtraction, multiplication, division, Target number challenges, Multiple difficulty levels, Undo operation feature

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

**In-app purchases:** none

**What reviewers like**

- 👍 Great for mental math practice
- 👍 Entertaining and fun game
- 👍 Helps improve calculation skills
- 👍 Good for all ages
- 👍 Hypnotizing bubbles

**What reviewers complain about**

- 🐛 Progress reset issue
- 🐛 Many ads between games
- 🐛 Difficulty with division
- 🐛 Doesn't teach anything (for one user)
- 🐛 Can get tiring

**Reported bugs**

- Progress reset from 35 to 4
- Cannot change division setting for a child

**Requested features**

- Add levels for 15
- Add extra for diamonds
- Specify ages/grades instead of child descriptions
- Provide options for those who don't know


## Frequently asked questions

### Is Flipped Primary free?

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

### Is calculets free?

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

### Do Flipped Primary or calculets have ads?

calculets shows ads; Flipped Primary does not.

### Which is updated more often, Flipped Primary or calculets?

Flipped Primary ships an update monthly, and calculets every 2 months. Most recently, Flipped Primary was updated on November 2, 2026 and calculets on November 2, 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.*