# Discrete Trial vs Kestrel ABA

The clearest difference is price: Kestrel ABA at Free against Discrete Trial's $14.99. Discrete Trial's advantage is in-app purchases (none vs 1). On update cadence, ads, device support and iOS requirement there is nothing between them.

Kestrel ABA is free to download; Discrete Trial costs $14.99 up front. Kestrel ABA sells 1 in-app purchase, starting at $14.99 per month. Discrete Trial asks for nothing beyond the download.

Discrete Trial ships an update every 5 days, Kestrel ABA every 6 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Discrete Trial | Kestrel ABA |
| --- | --- | --- |
| Price | $14.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 6 days |
| Size | 245 MB | 64 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Samantha Cooper](https://appshunter.io/developer/1880437500) | [Nathan Simmons](https://appshunter.io/developer/1850002641) |

## What reviewers say

### Discrete Trial

[App page](https://appshunter.io/ios/app/discrete-trial/id6759739343)

**Features:** macOS Compatibility

**In-app purchases:** none


### Kestrel ABA

[App page](https://appshunter.io/ios/app/kestrel-aba/id6793233786)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kestrel Pro | $14.99 | per month |


## Frequently asked questions

### Is Discrete Trial free?

Discrete Trial costs $14.99, with no in-app purchases.

### Is Kestrel ABA free?

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

### Do Discrete Trial or Kestrel ABA have ads?

Neither Discrete Trial nor Kestrel ABA shows ads.

### Which is updated more often, Discrete Trial or Kestrel ABA?

Discrete Trial ships an update every 5 days, and Kestrel ABA every 6 days. Most recently, Discrete Trial was updated on November 5, 2026 and Kestrel ABA 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.*