# EDLM vs tes

The clearest difference is price: tes at Free against EDLM's $19.99. tes also leads on update cadence (every 3 weeks vs every 26 months). EDLM's advantage is in-app purchases (none vs 8). On ads, device support and iOS requirement there is nothing between them.

tes is free to download; EDLM costs $19.99 up front. tes sells 8 in-app purchases, starting at $9.99 per year. EDLM asks for nothing beyond the download.

EDLM ships an update every 26 months, tes every 3 weeks. The most recent releases landed on October 5, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | EDLM | tes |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| Rating | — | **[4.3 (22 ratings)](https://appshunter.io/ios/app/teslax-can-bus-explorer/id1495403139/reviews)** |
| Number of ratings | — | **22** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 4 MB | 86 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 17+ |
| Developer | [ONYX Apps](https://appshunter.io/developer/356553882) | [All About Jake, LLC](https://appshunter.io/developer/393776941) |

## What reviewers say

### EDLM

[App page](https://appshunter.io/ios/app/edlm/id1436617159)

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is EDLM free?

EDLM costs $19.99, with no in-app purchases.

### Is tes free?

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

### Do EDLM or tes have ads?

Neither EDLM nor tes shows ads.

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

EDLM ships an update every 26 months, and tes every 3 weeks. Most recently, EDLM was updated on October 5, 2026 and tes on October 24, 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.*