| Links to Online Reviews (AC22/AP22) | Notes |
| Audi RS4 site | Well presented, comprehensive review, including graphs from the customers car. |
| CaddyInfo | In depth review of the AP22, comparing the meter against the G-Tech Pro |
| SEiGHT Web Site | An excellent technical assessment of our AC22. |
| Tom Marshall's personal web site | Gives results of tests with the AC22 on a Nissan 200SX. |
| Mad Moles Mondeo Madness | Preliminary review of the AP22 |
| Strangely's ramblings | Not really a review, but the honest opinions of a customer in the form of a diary |