# Accelerando vs Just A 2nd

The clearest difference is rating: Just A 2nd at 5.0 against Accelerando's 4.0. Accelerando's advantage is update cadence (every 3 days vs monthly) and monetization model (free vs free with in-app purchases). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Accelerando sells 1 one-off in-app purchase and Just A 2nd sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Just A 2nd holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Accelerando ships an update every 3 days, Just A 2nd monthly. The most recent releases landed on October 28, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Accelerando | Just A 2nd |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (3 ratings)](https://appshunter.io/ios/app/accelerando-play-with-motion/id6755481740/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/just-a-2nd/id6756837888/reviews)** |
| Number of ratings | **3** | 1 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Monthly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 2 MB | 2 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [ALBEDO JACEK FRANKOWSKI](https://appshunter.io/developer/1854135383) | [俊荣 陆](https://appshunter.io/developer/1863155306) |

## What reviewers say

### Accelerando

[App page](https://appshunter.io/ios/app/accelerando-play-with-motion/id6755481740)

This music player dynamically adjusts song tempo to match your physical activity. It integrates with popular music services and local files, offering a personalized listening experience for workouts and commutes.

**Highlights:** Real-time music speed adjustment, GPS-based tempo control, SoundCloud integration, iTunes library access, Local audio file support, Background playback, Customizable presets

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version | $6.99 | one-time |


### Just A 2nd

[App page](https://appshunter.io/ios/app/just-a-2nd/id6756837888)

Improve your music theory and ear training skills with quick daily exercises. This app helps you understand music better, whether you're learning an instrument or appreciating songs.

**Highlights:** Daily ear training exercises, Music theory drills, Instrument learning support, Music appreciation enhancement, Pocket-sized trainer

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Just A 2nd Pro | $0.99 | one-time |


## Frequently asked questions

### Is Accelerando free?

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

### Is Just A 2nd free?

Just A 2nd is free to download, with in-app purchases available.

### Which has better reviews, Accelerando or Just A 2nd?

Just A 2nd is rated higher. Accelerando averages 4.0 out of 5 from 3 ratings, while Just A 2nd averages 5.0 from 1 ratings.

### Do Accelerando or Just A 2nd have ads?

Neither Accelerando nor Just A 2nd shows ads.

### Which is updated more often, Accelerando or Just A 2nd?

Accelerando ships an update every 3 days, and Just A 2nd monthly. Most recently, Accelerando was updated on October 28, 2026 and Just A 2nd on October 22, 2026.

---

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