# Cirtonia vs FIELD KIT Playback Engine

The clearest difference is price: Cirtonia at Free against FIELD KIT Playback Engine's $9.99. Cirtonia also leads on update cadence (every 5 days vs every 2 weeks). FIELD KIT Playback Engine's advantage is ads (none vs shown) and chart position (#180 vs unranked). On in-app purchases, device support and iOS requirement there is nothing between them.

Cirtonia is free to download; FIELD KIT Playback Engine costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Cirtonia ships an update every 5 days, FIELD KIT Playback Engine every 2 weeks. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Cirtonia | FIELD KIT Playback Engine |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | — | **[4.6 (5 ratings)](https://appshunter.io/ios/app/field-kit-playback-engine/id6810484807/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 80.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Monetization | — | Paid |
| Best chart rank | — | **#180** |
| Size | 48 MB | 12 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Teleradionetworks SA de CV](https://appshunter.io/developer/1539745290) | [Field Tone Audio, LLC](https://appshunter.io/developer/1891479237) |

## What reviewers say

### Cirtonia

[App page](https://appshunter.io/ios/app/cirtonia/id6756531413)

**In-app purchases:** none


### FIELD KIT Playback Engine

[App page](https://appshunter.io/ios/app/field-kit-playback-engine/id6810484807)

**Currently charting:** #180 Top Paid · Music (US App Store)

Transform audio recordings into evolving textures, rhythms, and atmospheres. Create up to four independent playback windows with customizable speed, direction, and effects. Explore new sonic material from your recordings.

**Highlights:** Up to four independent playback windows, Variable playback speed and direction, Drive and filtering per window, Routable modulation sources, Save and recall .fieldkit files, Standalone app and AUv3 Audio Unit

**In-app purchases:** none


## Frequently asked questions

### Is Cirtonia free?

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

### Is FIELD KIT Playback Engine free?

FIELD KIT Playback Engine costs $9.99, with no in-app purchases.

### Do Cirtonia or FIELD KIT Playback Engine have ads?

Cirtonia shows ads; FIELD KIT Playback Engine does not.

### Which is updated more often, Cirtonia or FIELD KIT Playback Engine?

Cirtonia ships an update every 5 days, and FIELD KIT Playback Engine every 2 weeks. Most recently, Cirtonia was updated on October 24, 2026 and FIELD KIT Playback Engine on October 26, 2026.

---

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