# TPMS Chart vs Blue Mode II

The clearest difference is update cadence: TPMS Chart at every 3 weeks against Blue Mode II's every 13 months. Blue Mode II's advantage is iOS requirement (9.0 vs 15.6). 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.

TPMS Chart ships an update every 3 weeks, Blue Mode II every 13 months. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | TPMS Chart | Blue Mode II |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 13 months |
| Size | 52 MB | 16 MB |
| Requires iOS | 15.6 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SYSGRATION](https://appshunter.io/developer/833548921) | [Zhongshan Auto Electronics Technology Co.Ltd.](https://appshunter.io/developer/1039851711) |

## What reviewers say

### TPMS Chart

[App page](https://appshunter.io/ios/app/tpms-chart/id1468856989)

**In-app purchases:** none


### Blue Mode II

[App page](https://appshunter.io/ios/app/blue-mode-ii/id1562619089)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TPMS Chart free?

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

### Is Blue Mode II free?

Blue Mode II is free to download, with no in-app purchases.

### Do TPMS Chart or Blue Mode II have ads?

Neither TPMS Chart nor Blue Mode II shows ads.

### Which is updated more often, TPMS Chart or Blue Mode II?

TPMS Chart ships an update every 3 weeks, and Blue Mode II every 13 months. Most recently, TPMS Chart was updated on October 7, 2026 and Blue Mode II on October 15, 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.*