# SARA Nav vs Caltech

The clearest difference is update cadence: Caltech at monthly against SARA Nav's every 12 months. SARA Nav's advantage is iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

SARA Nav ships an update every 12 months, Caltech monthly. The most recent releases landed on October 6, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | SARA Nav | Caltech |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/caltech/id1462285760/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Monthly** |
| Monetization | — | Free |
| Size | 20 MB | 31 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ass orion](https://appshunter.io/developer/916926261) | [cntxts Inc](https://appshunter.io/developer/1048931707) |

## What reviewers say

### SARA Nav

[App page](https://appshunter.io/ios/app/sara-nav/id1306254893)

**Features:** macOS Compatibility

**In-app purchases:** none


### Caltech

[App page](https://appshunter.io/ios/app/caltech/id1462285760)

Navigate campus buildings with smart indoor maps, even without GPS. Find and get directions to campus news, events, and points of interest like restaurants and restrooms.

**Highlights:** Indoor smart maps, GPS-independent navigation, Campus news and events, Searchable points of interest, Zoom event viewing

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SARA Nav free?

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

### Is Caltech free?

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

### Do SARA Nav or Caltech have ads?

Neither SARA Nav nor Caltech shows ads.

### Which is updated more often, SARA Nav or Caltech?

SARA Nav ships an update every 12 months, and Caltech monthly. Most recently, SARA Nav was updated on October 6, 2026 and Caltech on October 1, 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.*