# Bionic Circle vs twiist AID System

The clearest difference is rating: Bionic Circle at 4.8 against twiist AID System's 4.2. Bionic Circle also leads on review sentiment (77% vs 68%) and iOS requirement (16.0 vs 18.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Bionic Circle holds the better App Store score, 4.8 against 4.2. Both are backed by a comparable volume of ratings — 70 and 45 respectively. Written reviews point the same way: 77% of Bionic Circle's written reviews are positive against 68% of twiist AID System's.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on August 5, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Bionic Circle | twiist AID System |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (70 ratings)](https://appshunter.io/ios/app/bionic-circle/id6477549955/reviews)** | [4.2 (45 ratings)](https://appshunter.io/ios/app/twiist-aid-system/id6739071031/reviews) |
| Number of ratings | **70** | 45 |
| Positive reviews | **76.9% of reviews** | 67.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free | Free |
| Size | 36 MB | 82 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Beta Bionics Inc.](https://appshunter.io/developer/1395643778) | [Sequel Med Tech, LLC.](https://appshunter.io/developer/1781286549) |

## What reviewers say

### Bionic Circle

[App page](https://appshunter.io/ios/app/bionic-circle/id6477549955)

This app allows designated individuals to remotely monitor the diabetes management of an iLet user. It provides real-time access to crucial data like glucose levels, insulin status, and alerts, offering peace of mind for caregivers and family members.

**Highlights:** View CGM values, Monitor pump battery and insulin levels, See meal announcements, Track insulin doses, Receive critical alerts (low, high, no data), Remote monitoring from anywhere

**In-app purchases:** none

**What reviewers like**

- 💡 First app of its kind
- 👍 Ease of use
- 👍 Helpful for families and caregivers
- 👍 Customizable alerts
- 👍 Provides peace of mind

**What reviewers complain about**

- 🔋 Lack of battery level and insulin unit information


### twiist AID System

[App page](https://appshunter.io/ios/app/twiist-aid-system/id6739071031)

This smart system proactively adjusts basal insulin and personalizes care to help prevent highs and lows for individuals with type 1 diabetes. It offers an all-in-one dashboard for essential data, seamless integration with wearables, and advanced blockage detection for reliable insulin delivery.

**Highlights:** Automated insulin delivery, Personalized diabetes control, 6-hour glucose prediction, Apple Watch integration, Data sharing with family, Advanced blockage detection

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Bionic Circle free?

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

### Is twiist AID System free?

twiist AID System is free to download, with no in-app purchases.

### Which has better reviews, Bionic Circle or twiist AID System?

Bionic Circle is rated higher. Bionic Circle averages 4.8 out of 5 from 70 ratings, while twiist AID System averages 4.2 from 45 ratings.

### Do Bionic Circle or twiist AID System have ads?

Neither Bionic Circle nor twiist AID System shows ads.

### Which is updated more often, Bionic Circle or twiist AID System?

Bionic Circle ships an update every 3 months, and twiist AID System every 3 months. Most recently, Bionic Circle was updated on August 5, 2026 and twiist AID System on September 25, 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.*