# Graviton Sim vs By

The clearest difference is device support: Graviton Sim at 4 against By's 2. Graviton Sim also leads on iOS requirement (15.6 vs 26.0). 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.

Graviton Sim ships an update every 9 days, By fortnightly. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Graviton Sim | By |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Fortnightly |
| Size | 63 MB | 14 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Scott Carnett](https://appshunter.io/developer/1550322381) | [Appno GmbH](https://appshunter.io/developer/1495324399) |

## What reviewers say

### Graviton Sim

[App page](https://appshunter.io/ios/app/graviton-sim/id6754208416)

**In-app purchases:** none


### By

[App page](https://appshunter.io/ios/app/by-pass/id6760612355)

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

**In-app purchases:** none


## Frequently asked questions

### Is Graviton Sim free?

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

### Is By free?

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

### Do Graviton Sim or By have ads?

Neither Graviton Sim nor By shows ads.

### Which is updated more often, Graviton Sim or By?

Graviton Sim ships an update every 9 days, and By fortnightly. Most recently, Graviton Sim was updated on October 28, 2026 and By 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.*