# Omnipod® 5 Simulator vs CATT1

The clearest difference is update cadence: Omnipod® 5 Simulator at every 6 weeks against CATT1's every 7 months. CATT1's advantage is iOS requirement (13.0 vs 26). 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.

Omnipod® 5 Simulator ships an update every 6 weeks, CATT1 every 7 months. The most recent releases landed on September 1, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Omnipod® 5 Simulator | CATT1 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.1 (126 ratings)](https://appshunter.io/ios/app/omnipod-5-simulator/id1552469689/reviews)** | — |
| Number of ratings | **126** | — |
| Positive reviews | 20.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 7 months |
| Monetization | Free | — |
| Size | 145 MB | 27 MB |
| Requires iOS | 26 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Insulet Corporation](https://appshunter.io/developer/1101349399) | [Integrated Medical Development LLC](https://appshunter.io/developer/1754431765) |

## What reviewers say

### Omnipod® 5 Simulator

[App page](https://appshunter.io/ios/app/omnipod-5-simulator/id1552469689)

Explore the features and benefits of an automated insulin delivery system through an interactive simulation. This app offers a demonstration of system interactions and capabilities, but is for educational purposes only and not for therapy decisions.

**Highlights:** Interactive system simulation, Automated insulin delivery overview, Feature and benefit exploration, Demonstration of system interactions, Local data processing

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Helpful training tool for new Omnipod users
- 📚 Educational resource for diabetes educators
- 🎓 Builds confidence before pump start day
- 💡 Useful for remote patient guidance via phone/video
- 🔄 Integrates well with Dexcom for closed-loop management

**What reviewers complain about**

- 😞 Not a functional real app for actual pump control
- 📱 No iOS app available despite years of promises
- 🔧 Simulator is inaccurate and misleading
- 🐛 UI elements cut off or obscured on screen
- ⚠️ Lacks accessibility features for users with vision impairments

**Reported bugs**

- Bolus button falls off bottom of screen
- Confirm button obscured by system font settings
- App crashes on new iPhone models
- Simulator doesn't accurately reflect real pump behavior
- Insulin delivery appears faster than actual device

**Requested features**

- Release actual iOS app for real pump control
- Add warm-up timer after pod changes
- Implement internal font size override for accessibility
- Allow carb input functionality in simulator
- Remove pre-populated fields for better training


### CATT1

[App page](https://appshunter.io/ios/app/catt1/id6514321845)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Omnipod® 5 Simulator free?

Omnipod® 5 Simulator is free to download, with no in-app purchases.

### Is CATT1 free?

CATT1 is free to download, with no in-app purchases.

### Do Omnipod® 5 Simulator or CATT1 have ads?

Neither Omnipod® 5 Simulator nor CATT1 shows ads.

### Which is updated more often, Omnipod® 5 Simulator or CATT1?

Omnipod® 5 Simulator ships an update every 6 weeks, and CATT1 every 7 months. Most recently, Omnipod® 5 Simulator was updated on September 1, 2026 and CATT1 on September 26, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*