# tes vs SimTimerX

The clearest difference is in-app purchases: SimTimerX at none against tes's 8. SimTimerX also leads on iOS requirement (13.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. tes sells 8 in-app purchases, starting at $9.99 per year. SimTimerX asks for nothing beyond the download.

tes ships an update monthly, SimTimerX fortnightly. The most recent releases landed on October 1, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | tes | SimTimerX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (21 ratings)](https://appshunter.io/ios/app/teslax-can-bus-explorer/id1495403139/reviews)** | — |
| Number of ratings | **21** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 85 MB | 30 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 9+ |
| Developer | [All About Jake, LLC](https://appshunter.io/developer/393776941) | [Wu Bin](https://appshunter.io/developer/625703424) |

## What reviewers say

### tes

[App page](https://appshunter.io/ios/app/teslax-can-bus-explorer/id1495403139)

Explore and visualize CAN bus data from various vehicles, including electric and gas-powered models. Connect to OBD-2 accessories to view live data, analyze message identifiers, and playback log files. Unlock advanced features for deeper analysis and customization with optional purchases.

**Highlights:** Live CAN bus data visualization, Support for OBDLink and vLinker accessories, Playback of CAN bus log files, Customizable signal visualizations, Advanced data analysis tools, DBC file import

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Extra Strength Subscription | $9.99 | per year |
| One-Time Free 5-day Pass | Free | one-time |
| Extra Strength Upgrade to 2.0 | $4.99 | one-time |
| Extra Strength Upgrade 1.0 | $5.99 | one-time |
| Extended Release 1.0 | $6.99 | one-time |
| Upgrade to Extra Strength 2.0 | $10.99 | one-time |
| Extra Strength 1.0 | $14.00 | one-time |
| Extra Strength 2.0 | $18.99 | one-time |


### SimTimerX

[App page](https://appshunter.io/ios/app/simtimerx/id6753038970)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is tes free?

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

### Is SimTimerX free?

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

### Do tes or SimTimerX have ads?

Neither tes nor SimTimerX shows ads.

### Which is updated more often, tes or SimTimerX?

tes ships an update monthly, and SimTimerX fortnightly. Most recently, tes was updated on October 1, 2026 and SimTimerX on October 12, 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.*