# t vs Happy Bob

The clearest difference is rating: Happy Bob at 4.7 against t's 3.6. Happy Bob also leads on review sentiment (68% vs 42%) and update cadence (every 3 weeks vs every 2 months). t's advantage is in-app purchases (none vs 6). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Happy Bob sells 6 in-app purchases, starting at $7.99 per month. t asks for nothing beyond the download.

Happy Bob holds the better App Store score, 4.7 against 3.6. That said, the two scores are not equally well evidenced: Happy Bob has 1.2K ratings behind it against 116, so its average is the more settled of the two. Written reviews point the same way: 42% of t's written reviews are positive against 68% of Happy Bob's.

t ships an update every 2 months, Happy Bob every 3 weeks. The most recent releases landed on October 13, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | t | Happy Bob |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (116 ratings)](https://appshunter.io/ios/app/tsimulator-app/id955568377/reviews) | **[4.7 (1.2K ratings)](https://appshunter.io/ios/app/happy-bob/id1444877516/reviews)** |
| Number of ratings | 116 | **1.2K** |
| Positive reviews | 42.4% of reviews | **68.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Freemium |
| Size | 31 MB | 35 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Tandem Diabetes Care, Inc.](https://appshunter.io/developer/955568376) | [Harald AI](https://appshunter.io/developer/1444877515) |

## What reviewers say

### t

[App page](https://appshunter.io/ios/app/tsimulator-app/id955568377)

Explore the features of an insulin pump's touchscreen interface without needing a prescription. This app is ideal for individuals with diabetes, their caregivers, or healthcare professionals to understand pump functionality.

**Highlights:** Explore touchscreen interface, Demonstrates pump features, No prescription required, Educational tool, Mobile device compatible

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Great for education and training
- 👍 Realistic pump interface replica
- 👍 Useful for pre-pump decision making
- 👍 Easy to use and understand
- 👍 Helpful for understanding the pump

**What reviewers complain about**

- 🐛 Simulator not interactive
- 🐛 Doesn't simulate real-world issues (occlusions)
- 🐛 Lacks confirmation screens and alarms
- 🐛 Not a true simulation of pump usage
- 🐛 Only shows basic functions

**Reported bugs**

- App won't open once downloaded
- Simulator crashes on launch
- App broken on iOS 12
- Simulator app broken on iOS 12
- Simulator crashes as soon as app is open

**Requested features**

- Actual app to control and manage the pump
- App available in Canada/Europe
- Display beep noises for alerts
- Simulate real-world issues like occlusions
- Ability to simulate changing the pump


### Happy Bob

[App page](https://appshunter.io/ios/app/happy-bob/id1444877516)

This app transforms diabetes data into engaging experiences, connecting with CGMs to help users stay in range and reduce management stress. It offers fun glucose tracking, motivating goals, and community support, designed by people with diabetes for a more personal approach.

**Highlights:** Connects with CGMs (Dexcom, FreeStyle Libre), Fun glucose tracking with personalized messages, Motivating goal setting with star rewards, Community support with diabuddies, Apple Health and Apple Watch integration, Monthly challenges for healthy habits, Pregnancy & Diabetes support (Premium)

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $7.99 | per month |
| Monthly Coach+ | $69.00 | per month |
| Yearly Premium | $69.99 | per year |
| Yearly Coach+ | $699.00 | per year |
| Robert S. Pumpkins | $0.99 | one-time |
| Frosty Bob | $0.99 | one-time |

**What reviewers like**

- 🚀 Motivational
- 🚀 Helpful for managing diabetes
- 👍 Fun and engaging
- 👍 Cute characters and personalities
- 👍 Provides encouragement and positivity

**What reviewers complain about**

- 🐛 Occasional glitches or syncing issues
- 💰 Expensive subscription
- 💬 Some comments can be too snarky or inappropriate for children

**Reported bugs**

- App not working after recent update
- Login issues for some users
- Delayed or inaccurate data sync

**Requested features**

- Ability to customize or choose different characters
- Integration with other CGM devices like Libre
- More positive and understanding feedback, especially for minor blood sugar fluctuations
- Option to silence notifications during certain times of day


## Frequently asked questions

### Is t free?

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

### Is Happy Bob free?

Happy Bob is free to download, with in-app purchases available.

### Which has better reviews, t or Happy Bob?

Happy Bob is rated higher. t averages 3.6 out of 5 from 116 ratings, while Happy Bob averages 4.7 from 1.2K ratings.

### Do t or Happy Bob have ads?

Neither t nor Happy Bob shows ads.

### Which is updated more often, t or Happy Bob?

t ships an update every 2 months, and Happy Bob every 3 weeks. Most recently, t was updated on October 13, 2026 and Happy Bob on October 21, 2026.

---

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