# Petoi vs FPVSIM

The clearest difference is price: Petoi at Free against FPVSIM's $9.99. FPVSIM's advantage is chart position (#198 vs unranked) and iOS requirement (13.0 vs 15.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

Petoi is free to download; FPVSIM costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on July 5, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Petoi | FPVSIM |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[4.5 (13 ratings)](https://appshunter.io/ios/app/petoi/id1581548095/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | Free | — |
| Best chart rank | — | **#198** |
| Size | 41 MB | 73 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Petoi LLC](https://appshunter.io/developer/1581548097) | [Jiahao Wang](https://appshunter.io/developer/1755770926) |

## What reviewers say

### Petoi

[App page](https://appshunter.io/ios/app/petoi/id1581548095)

Configure and control your robot pet toys with this official app. Calibrate joints, perform pre-set actions, and create custom movements. Compatible with Bittle and Nybble robot pets.

**Highlights:** Easy joint calibration, Control robot movement and actions, Create custom robot commands, Share custom commands with community, Compatible with Bittle and Nybble robots

**In-app purchases:** none


### FPVSIM

[App page](https://appshunter.io/ios/app/fpvsim-timer/id6514321806)

**Currently charting:** #198 Top Paid · Education (US App Store)

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

**In-app purchases:** none


## Frequently asked questions

### Is Petoi free?

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

### Is FPVSIM free?

FPVSIM costs $9.99, with no in-app purchases.

### Do Petoi or FPVSIM have ads?

Neither Petoi nor FPVSIM shows ads.

### Which is updated more often, Petoi or FPVSIM?

Petoi ships an update every 4 months, and FPVSIM every 4 months. Most recently, Petoi was updated on July 5, 2026 and FPVSIM on September 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.*