# 1981 FM vs FlipDeck

The clearest difference is update cadence: FlipDeck at every 3 days against 1981 FM's every 2 weeks. 1981 FM's advantage is iOS requirement (15.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 1981 FM sells 1 one-off in-app purchase and FlipDeck sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

1981 FM ships an update every 2 weeks, FlipDeck every 3 days. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 1981 FM | FlipDeck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/1981-fm-80s-track-generator/id6805325447/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 15 MB | 80 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Soft Brew Mobile](https://appshunter.io/developer/561703410) | [Perry Hampton](https://appshunter.io/developer/1826133992) |

## What reviewers say

### 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 |


### FlipDeck

[App page](https://appshunter.io/ios/app/flipdeck-sampler-and-beat-maker/id6816585598)

**Features:** Family Sharing, Vision Pro support, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FlipDeck Pro | $9.99 | one-time |


## Frequently asked questions

### Is 1981 FM free?

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

### Is FlipDeck free?

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

### Do 1981 FM or FlipDeck have ads?

Neither 1981 FM nor FlipDeck shows ads.

### Which is updated more often, 1981 FM or FlipDeck?

1981 FM ships an update every 2 weeks, and FlipDeck every 3 days. Most recently, 1981 FM was updated on November 6, 2026 and FlipDeck on October 31, 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.*