# InstaRabbi vs Sundial Builder

The clearest difference is price: InstaRabbi at Free against Sundial Builder's $4.99. Sundial Builder's advantage is update cadence (every 2 days vs every 4 weeks). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

InstaRabbi is free to download; Sundial Builder costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

InstaRabbi ships an update every 4 weeks, Sundial Builder every 2 days. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | InstaRabbi | Sundial Builder |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[4.9 (445 ratings)](https://appshunter.io/ios/app/instarabbi/id1131010135/reviews)** | — |
| Number of ratings | **445** | — |
| Positive reviews | 97.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 2 days** |
| Monetization | Free | — |
| Size | 52 MB | 13 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [InstaRabbi](https://appshunter.io/developer/1628574099) | [Pietro Massimino](https://appshunter.io/developer/332379844) |

## What reviewers say

### InstaRabbi

[App page](https://appshunter.io/ios/app/instarabbi/id1131010135)

This app provides quick answers to questions about Torah and Judaism, specifically for Orthodox Jewish observance. Users can submit halachic questions and receive responses from qualified Rabbis, ensuring no question goes unanswered.

**Highlights:** Ask halachic questions, Get answers from Rabbis, Orthodox Jewish observance, Quick responses, Unanswered questions addressed

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Sundial Builder

[App page](https://appshunter.io/ios/app/sundial-builder/id6747822468)

**In-app purchases:** none


## Frequently asked questions

### Is InstaRabbi free?

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

### Is Sundial Builder free?

Sundial Builder costs $4.99, with no in-app purchases.

### Do InstaRabbi or Sundial Builder have ads?

Neither InstaRabbi nor Sundial Builder shows ads.

### Which is updated more often, InstaRabbi or Sundial Builder?

InstaRabbi ships an update every 4 weeks, and Sundial Builder every 2 days. Most recently, InstaRabbi was updated on October 24, 2026 and Sundial Builder on October 27, 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.*