# SASI iBridge vs Physics Formulas

The clearest difference is in-app purchases: SASI iBridge at none against Physics Formulas's 2. SASI iBridge also leads on update cadence (every 2 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Physics Formulas sells 2 in-app purchases, starting at $3.99 per 7 days. SASI iBridge asks for nothing beyond the download.

SASI iBridge ships an update every 2 weeks, Physics Formulas every 2 months. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | SASI iBridge | Physics Formulas |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/sasi-ibridge/id6745675000/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 62 MB | 38 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Narendra Krishna](https://appshunter.io/developer/1579457358) | [Mobin Akhter](https://appshunter.io/developer/1812505286) |

## What reviewers say

### SASI iBridge

[App page](https://appshunter.io/ios/app/sasi-ibridge/id6745675000)

This app provides a comprehensive mobile platform for educational institutions, connecting students, parents, teachers, and administrators. It offers real-time access to academic records, attendance, fees, transport information, and communication tools, streamlining school management.

**Highlights:** Personalized dashboards, Multi-child parent profiles, Real-time attendance & marks, Student progress statistics, Online fee payments, Notifications & messaging, Certificate applications & tracking

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

**In-app purchases:** none


### Physics Formulas

[App page](https://appshunter.io/ios/app/physics-formulas-physref/id6757826240)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Access | $3.99 | per 7 days |
| Lifetime Access | $49.99 | one-time |


## Frequently asked questions

### Is SASI iBridge free?

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

### Is Physics Formulas free?

Physics Formulas is free to download, with in-app purchases available.

### Do SASI iBridge or Physics Formulas have ads?

Neither SASI iBridge nor Physics Formulas shows ads.

### Which is updated more often, SASI iBridge or Physics Formulas?

SASI iBridge ships an update every 2 weeks, and Physics Formulas every 2 months. Most recently, SASI iBridge was updated on October 24, 2026 and Physics Formulas on October 20, 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.*