IO vs Signal
Signal has the higher audience score (8.7/10 against 5/10 for IO). Signal is the shorter watch at 10m compared with 1h 36m. IO is the older of the two (2019 against 2021). Both are science fiction movies, so they suit a similar mood.
IO
Signal| IO | Signal | |
|---|---|---|
| Audience score | ★ 5.0/10 | ★ 8.7/10 |
| Year | 2019 | 2021 |
| Length | 1h 36m | 10m |
| Genres | Science Fiction | Drama, Science Fiction |
| Country | – | Ireland |
| Director | Jonathan Helpert | Diarmuid Donohoe |
| Main cast | Anthony Mackie, Danny Huston, Margaret Qualley, Tom Payne, Emma Fitzgerald | James Quinn Markey, Calum Jess, Tom Neville |
Synopsis
IO
As a young scientist searches for a way to save a dying Earth, she finds a connection with a man who's racing to catch the last shuttle off the planet.
Signal
The friendship of two young boys is put to the test as they set out to build a radio to communicate with something other worldly.