# MyWattsun vs OBDThink

The clearest difference is in-app purchases: MyWattsun at none against OBDThink's 4. MyWattsun also leads on iOS requirement (13.4 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. OBDThink sells 4 in-app purchases, starting at $6.99 per 7 days. MyWattsun asks for nothing beyond the download.

MyWattsun ships an update every 2 weeks, OBDThink every 4 weeks. The most recent releases landed on September 29, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | MyWattsun | OBDThink |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 weeks |
| Size | 56 MB | 43 MB |
| Requires iOS | **13.4** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [AHASOLAR TECHNOLOGIES LIMITED](https://appshunter.io/developer/1632224285) | [TOPRAK TEKIN](https://appshunter.io/developer/1849139351) |

## What reviewers say

### MyWattsun

[App page](https://appshunter.io/ios/app/mywattsun/id6467620181)

**Features:** macOS Compatibility

**In-app purchases:** none


### OBDThink

[App page](https://appshunter.io/ios/app/obdthink/id6754601889)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OBDThink Tam Sürüm Haftalık paket | $6.99 | per 7 days |
| OBDThink Tam Sürüm Aylık paket | $12.99 | per month |
| OBDThink Tam Sürüm Yıllık paket | $44.99 | per year |
| OBDThink Tam Sürüm | $79.99 | one-time |


## Frequently asked questions

### Is MyWattsun free?

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

### Is OBDThink free?

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

### Do MyWattsun or OBDThink have ads?

Neither MyWattsun nor OBDThink shows ads.

### Which is updated more often, MyWattsun or OBDThink?

MyWattsun ships an update every 2 weeks, and OBDThink every 4 weeks. Most recently, MyWattsun was updated on September 29, 2026 and OBDThink on October 9, 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.*