Boox
Boox Note Air 3 C
2023
82
/ 100
From $499
VS
Kobo Sage wins by 2
Kobo
Kobo Sage
2021
84
/ 100
From $259
Specdex verdict
Kobo Sage takes it — here’s why.
In our weighted Specdex score, Boox Note Air 3 C lands at 82 and Kobo Sage at 84. That puts Kobo Sage ahead by 2 points — a narrow margin driven mostly by its strengths in the categories below.
Pick Boox Note Air 3 C if…
- ✓Weeks of battery
- ✓Glare-free E Ink
- ✓Lightweight
Pick Kobo Sage if…
- ✓Weeks of battery life
- ✓Glare-free E Ink
- ✓Lightweight
Boox Note Air 3 C 82
vs 84 Kobo Sage
Score breakdown
Boox Note Air 3 C
82 display 82
speed 80
battery 94
ecosystem 84
Kobo Sage
84 display 84
speed 82
battery 94
ecosystem 84
Specs side-by-side
| Spec | Boox Note Air 3 C | Kobo Sage |
|---|---|---|
| Release year | 2023 | 2021 |
Boox Note Air 3 C
Pros
- +Weeks of battery
- +Glare-free E Ink
- +Lightweight
Cons
- −Slow refresh
- −Ecosystem lock-in (most)
- −Color options muted
Kobo Sage
Pros
- +Weeks of battery life
- +Glare-free E Ink
- +Lightweight
Cons
- −Slow refresh vs LCD
- −Ecosystem lock-in
- −Color E Ink muted
FAQ: Boox Note Air 3 C vs Kobo Sage
Which is better, Boox Note Air 3 C or Kobo Sage? +
Kobo Sage scores 84 on our weighted rubric — ahead by 2. Your best pick depends on the sub-scores above.
Is Boox Note Air 3 C worth the price? +
At $499, Boox Note Air 3 C delivers a Specdex score of 82 — strongest in battery.
Is Kobo Sage worth the price? +
At $259, Kobo Sage delivers a Specdex score of 84 — strongest in battery.
Does Boox Note Air 3 C or Kobo Sage last longer? +
Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.