# Billie Tracker vs 1981 FM

The clearest difference is in-app purchases: Billie Tracker at none against 1981 FM's 1. Billie Tracker also leads on update cadence (every 2 days vs every 2 weeks). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. 1981 FM sells 1 one-off in-app purchase. Billie Tracker asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Billie Tracker against 5.0 for 1981 FM. Both are backed by a comparable volume of ratings — 5 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Billie Tracker ships an update every 2 days, 1981 FM every 2 weeks. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Billie Tracker | 1981 FM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (5 ratings)](https://appshunter.io/ios/app/billie-tracker/id6792379355/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/1981-fm-80s-track-generator/id6805325447/reviews) |
| Number of ratings | **5** | 3 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 2 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 57 MB | 15 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Billie Cooperative](https://appshunter.io/developer/1832623915) | [Soft Brew Mobile](https://appshunter.io/developer/561703410) |

## What reviewers say

### Billie Tracker

[App page](https://appshunter.io/ios/app/billie-tracker/id6792379355)

Create music with a powerful groovebox featuring a step sequencer, synthesizers, and a sampler. Arrange patterns into songs, shape unique sounds, and export your finished tracks. Designed for intuitive music production on mobile devices.

**Highlights:** Step sequencer for notes and instruments, Shapeable synth instruments, In-app sampler for recording sounds, Mixer with per-track controls, Song arrangement and export options, Hardware controller support

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

**In-app purchases:** none


### 1981 FM

[App page](https://appshunter.io/ios/app/1981-fm-80s-track-generator/id6805325447)

This app generates complete, unique musical tracks using chaotic mathematical principles. It offers various styles, modes, and keys, with customizable FM synth sounds and effects. Tracks can be recreated using seeds and exported via MIDI.

**Highlights:** Chaos-driven track generation, Four-operator FM synth engine, Multiple musical styles and modes, MIDI export and input, Customizable effects (chorus, delay, reverb), Offline functionality

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AUv3 Unlock | $2.99 | one-time |


## Frequently asked questions

### Is Billie Tracker free?

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

### Is 1981 FM free?

1981 FM is free to download, with in-app purchases available.

### Which has better reviews, Billie Tracker or 1981 FM?

Billie Tracker and 1981 FM are both rated 5.0 out of 5 on the App Store, from 5 and 3 ratings respectively.

### Do Billie Tracker or 1981 FM have ads?

Neither Billie Tracker nor 1981 FM shows ads.

### Which is updated more often, Billie Tracker or 1981 FM?

Billie Tracker ships an update every 2 days, and 1981 FM every 2 weeks. Most recently, Billie Tracker was updated on October 31, 2026 and 1981 FM on November 6, 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.*