# Santi Sizer vs Rabbit Rally 2.0

The clearest difference is review sentiment: Rabbit Rally 2.0 at 67% against Santi Sizer's 0%. Rabbit Rally 2.0 also leads on rating (4.6 vs 1.0) and update cadence (every 6 days vs every 6 weeks). Santi Sizer's advantage is iOS requirement (7.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Rabbit Rally 2.0 holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: Rabbit Rally 2.0 has 9 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Santi Sizer's written reviews are positive against 67% of Rabbit Rally 2.0's.

Santi Sizer ships an update every 6 weeks, Rabbit Rally 2.0 every 6 days. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Santi Sizer | Rabbit Rally 2.0 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/santi-sizer/id986288849/reviews) | **[4.6 (9 ratings)](https://appshunter.io/ios/app/rabbit-rally-20/id1262789127/reviews)** |
| Number of ratings | 1 | **9** |
| Positive reviews | 0.0% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 6 days** |
| Monetization | Free | Free |
| Size | 7 MB | 136 MB |
| Requires iOS | **7.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Santi](https://appshunter.io/developer/986288848) | [Rabbit Rally SL](https://appshunter.io/developer/6775050364) |

## What reviewers say

### Santi Sizer

[App page](https://appshunter.io/ios/app/santi-sizer/id986288849)

This app helps you find the correct size for drysuits and undersuits by inputting your body measurements. It compares your measurements to a standard size chart and suggests the closest fit, also indicating when a custom size might be necessary. It's a tool to aid in selecting gear for purchase or trying on.

**Highlights:** Body measurement input (cm/inches), Santi size chart comparison, Size suggestion for drysuits/undersuits, Demo gear size selection, Indicates need for custom sizing

**In-app purchases:** none


### Rabbit Rally 2.0

[App page](https://appshunter.io/ios/app/rabbit-rally-20/id1262789127)

This app assists in Regularity Rally (TSD) with GPS-based odometer readings and car sensor integration. It offers features like per-kilometer benchmarking, average speed announcements, and post-race reporting, with an optional windshield projection feature via a companion app.

**Highlights:** GPS-based odometer, Car sensor reader (Rabbit Box), Benchmarking per km/miles, Average speed announcements, Post-race reporting, Windshield projection (with RabbitPilot)

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

**In-app purchases:** none


## Frequently asked questions

### Is Santi Sizer free?

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

### Is Rabbit Rally 2.0 free?

Rabbit Rally 2.0 is free to download, with no in-app purchases.

### Which has better reviews, Santi Sizer or Rabbit Rally 2.0?

Rabbit Rally 2.0 is rated higher. Santi Sizer averages 1.0 out of 5 from 1 ratings, while Rabbit Rally 2.0 averages 4.6 from 9 ratings.

### Do Santi Sizer or Rabbit Rally 2.0 have ads?

Neither Santi Sizer nor Rabbit Rally 2.0 shows ads.

### Which is updated more often, Santi Sizer or Rabbit Rally 2.0?

Santi Sizer ships an update every 6 weeks, and Rabbit Rally 2.0 every 6 days. Most recently, Santi Sizer was updated on October 29, 2026 and Rabbit Rally 2.0 on October 24, 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.*