WARM or MTR by Play MPE: which one tracks your radio airplay?
Play MPE sends new music to radio programmers with its Caster service, and sells MTR, a radio airplay tracker for North America, by the song. WARM tracks radio airplay on stations in 160+ countries. Here is how they compare, using what each company publishes.
| Feature | WARM | Play MPE |
|---|---|---|
| Radio coverage | WARM: 21,000+ stations in 160+ countries | Play MPE: Thousands of terrestrial, digital and streaming stations across North America; no count or list on the pages we read |
| How plays are found | WARM: WARM recognises the song in the audio of the broadcast | Play MPE: Not stated on the pages we read |
| What you see | WARM: Station, country, city, start time and duration of every play | Play MPE: Spins by station, city and part of the day, week-to-week comparison, and an alert when a song may have entered rotation |
| How you pay | WARM: A monthly or yearly plan for a number of songs | Play MPE: Per song, for one, three or six months; a fixed yearly rate for volume |
| Price | WARM: From €15 a month for 2 songs, billed monthly or yearly | Play MPE: $25.99 a song for one month, $59.99 for three, $99.99 for six, as shown on its page; ten percent off with Caster |
| Free trial | WARM: Yes: 5 songs for 30 days, no credit card | Play MPE: Sign-up is free; you pay when tracking starts |
| Sending music to radio | WARM: No. WARM does not send music to stations | Play MPE: Yes, with Caster, from the same company |
| Exports | WARM: PDF and CSV reports | Play MPE: Top-level reports, or with filters |
Play MPE figures are as published on its own website, read on 3 November 2026: MTR radio tracking, Play MPE homepage, Play MPE about. Products change; check their current pages before you decide.
Where Play MPE is stronger
- It sends your release to radio programmers and tracks the airplay, in one company.
- You can pay for one song for one month, with no subscription.
- Insights on the genres the playing stations favour, their peak hours, and rotation alerts.
Where WARM is stronger
- Radio in 160+ countries, not only North America.
- Every play with its station, country, city, start time and duration.
- A free trial: 5 songs for 30 days, no credit card.
- Several songs in one plan, and earlier plays found when you add a song.
The short answer
If you promote to North American radio with Caster and want tracking for one song for a month or two, MTR is built for that. If your songs are played outside North America, or you need every play with its time and duration, WARM is built for that.
Free trial: 5 songs for 30 days. No credit card required.