# TT vs Insight CGM

TT and Insight CGM are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

TT ships an update every 2 months, Insight CGM every 5 weeks. The most recent releases landed on October 28, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | TT | Insight CGM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Size | 11 MB | 22 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [田 张](https://appshunter.io/developer/1766038243) | [Woodley Equipment Company Limited](https://appshunter.io/developer/1846748106) |

## What reviewers say

### TT

[App page](https://appshunter.io/ios/app/tt-ots100/id6747674762)

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

**In-app purchases:** none


### Insight CGM

[App page](https://appshunter.io/ios/app/insight-cgm/id6754127658)

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

**In-app purchases:** none


## Frequently asked questions

### Is TT free?

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

### Is Insight CGM free?

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

### Do TT or Insight CGM have ads?

Neither TT nor Insight CGM shows ads.

### Which is updated more often, TT or Insight CGM?

TT ships an update every 2 months, and Insight CGM every 5 weeks. Most recently, TT was updated on October 28, 2026 and Insight CGM on November 5, 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.*