# SIRE 2.0 Prep vs iSail

The clearest difference is iOS requirement: iSail at 12.0 against SIRE 2.0 Prep's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SIRE 2.0 Prep ships an update every 6 weeks, iSail every 5 weeks. The most recent releases landed on September 8, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | SIRE 2.0 Prep | iSail |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 weeks** |
| Size | 22 MB | 76 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Ceejo Thomas](https://appshunter.io/developer/1147475045) | [Tanuj Balani](https://appshunter.io/developer/1746466025) |

## What reviewers say

### SIRE 2.0 Prep

[App page](https://appshunter.io/ios/app/sire-20-prep/id6478749472)

**Features:** macOS Compatibility

**In-app purchases:** none


### iSail

[App page](https://appshunter.io/ios/app/isail/id6502706200)

**In-app purchases:** none


## Frequently asked questions

### Is SIRE 2.0 Prep free?

SIRE 2.0 Prep is free to download, with no in-app purchases.

### Is iSail free?

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

### Do SIRE 2.0 Prep or iSail have ads?

Neither SIRE 2.0 Prep nor iSail shows ads.

### Which is updated more often, SIRE 2.0 Prep or iSail?

SIRE 2.0 Prep ships an update every 6 weeks, and iSail every 5 weeks. Most recently, SIRE 2.0 Prep was updated on September 8, 2026 and iSail on September 19, 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.*