| Platforms | iPhone and Android. Source | Google Play listing; Android app. Listing says it can pair Android and iPhone, but a US App Store listing was not verified. Source | iPhone and iPad on the US App Store. Developer site also lists Google Play; the Play app ID was not verified. Source | US App Store lists iPhone, iPad, and Apple Watch. Pevu's guide says Android and iPhone/iPad combinations are supported; no US Google Play listing was verified. Source | iPhone, iPad, Apple Watch, Apple TV, Mac, and Android per developer and store listings. Source | iPhone, iPad, Apple Watch, Mac, and Apple TV on the US App Store; Android listing also available. Source |
| Free vs paid | Free local monitor. Remote monitoring is Vaava Plus, a one-time purchase. Source | Free local Wi-Fi use; Ninna Pro adds remote viewing. The listing describes monthly, yearly, and lifetime options, without prices. Source | Two-day iOS trial, then one purchase. No subscription. Source | Audio monitoring and alerts are free. Pevu Full adds video and multiple baby devices; monthly, yearly, or one-time plans. Source | Paid app, one purchase per supported platform; no recurring subscription. Source | Free download and three-day premium trial; the listing describes weekly, monthly, yearly, and lifetime purchases. Source |
| Wi-Fi or internet/cellular | Free monitor needs both phones on the same Wi-Fi; no internet needed. Different networks or cellular require Plus and internet. Source | Free use is over the same Wi-Fi. Pro relays the stream for remote viewing over the internet. Source | Same Wi-Fi locally; remote monitoring can use mobile data or other Wi-Fi through a relay when needed. Source | Same Wi-Fi works without internet. Travel mode creates a local network without a router or internet. Internet/cellular remote monitoring is not documented. Source | Home Wi-Fi by default; Bluetooth is also listed. Unlimited Range works over internet, Wi-Fi, or cellular. Source | Wi-Fi or mobile data, including 3G/4G/5G/LTE. Source |
| Live video | Live audio and optional live video. Source | Live camera stream; the listing calls the product a video camera monitor. Source | Live video and audio; video can be switched on from the parent device. Source | Live video is part of Pevu Full; audio and alarms remain free. Source | Live audio and video. Source | Live HD video; recordings are also listed as a feature. Source |
| Account required | No account required for local monitoring. Source | Listing says no passwords are needed; its privacy section mentions an anonymous account identifier for sign-in. Whether an account is required is not clearly specified. Source | No account or sign-up. Source | No account or cloud service. Source | Account requirement is not listed in the reviewed official materials. Source | Account requirement is not listed in the reviewed official materials. Source |
| US price | Free locally; Plus is €14.99 once. Source | Free locally; Pro prices are not listed in the reviewed materials. Source | US App Store: $5.99 once after the two-day trial. Source | US App Store: $3.99 monthly, $17.99 yearly, or $24.99 once for Pevu Full. Source | US App Store: $6.99; Google Play: $6.49. Each platform requires its own purchase. Source | Current US prices for each paid plan are not listed in the reviewed materials. Source |