# Bastien [Interval] Flashcards vs AxeScales

The clearest difference is price: AxeScales at $1.99 against Bastien [Interval] Flashcards's $2.99. Bastien [Interval] Flashcards's advantage is iOS requirement (8.0 vs 16.2). On update cadence, ads, in-app purchases and device support there is nothing between them.

Bastien [Interval] Flashcards costs $2.99 and AxeScales $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 3 days. The most recent releases landed on November 3, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Bastien [Interval] Flashcards | AxeScales |
| --- | --- | --- |
| Price | $2.99 | **$1.99** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/bastien-interval-flashcards/id1489253659/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 days | Every 3 days |
| Monetization | Paid | — |
| Size | 207 MB | 3 MB |
| Requires iOS | **8.0** | 16.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Neil A. Kjos Music Co. Inc.](https://appshunter.io/developer/538815780) | [Joseph Svantner](https://appshunter.io/developer/1734232346) |

## What reviewers say

### Bastien [Interval] Flashcards

[App page](https://appshunter.io/ios/app/bastien-interval-flashcards/id1489253659)

This app helps students learn musical intervals through engaging games. It features progressive levels, interactive exercises for recognition, matching, and playing, and progress tracking. Delightful illustrations make learning fun for students of all ages.

**Highlights:** Progressive learning levels, Interval recognition game, Interval matching game, Play intervals on piano, Progress and score tracking, Optional user registration, Delightful illustrations

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

**In-app purchases:** none


### AxeScales

[App page](https://appshunter.io/ios/app/axescales/id6499280704)

**In-app purchases:** none


## Frequently asked questions

### Is Bastien [Interval] Flashcards free?

Bastien [Interval] Flashcards costs $2.99, with no in-app purchases.

### Is AxeScales free?

AxeScales costs $1.99, with no in-app purchases.

### Do Bastien [Interval] Flashcards or AxeScales have ads?

Neither Bastien [Interval] Flashcards nor AxeScales shows ads.

### Which is updated more often, Bastien [Interval] Flashcards or AxeScales?

Bastien [Interval] Flashcards ships an update every 3 days, and AxeScales every 3 days. Most recently, Bastien [Interval] Flashcards was updated on November 3, 2026 and AxeScales on October 27, 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.*