Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Apple - AirPods Pro 3 | Anker - Liberty 4 Pro |
|---|---|---|
| Battery — with case | 30 h | 40 h |
| Battery — buds | 8 h | 10 h |
| Driver size | 11 mm | 10.5 mm |
| Spatial audio | true | false |
| Multipoint | false | true |
| Water resistance | IP57 | IPX4 |
Between the AirPods Pro 3 and Liberty 4 Pro, the AirPods Pro 3 comes out ahead in driver size / spatial audio, while the Liberty 4 Pro wins on battery — with case / battery — buds. Overall, the AirPods Pro 3 scores 78.3 and the Liberty 4 Pro scores 81.6 on our Mars Score.
Which should you buy?
The Liberty 4 Pro edges ahead on the Mars Score (78.3 vs 81.6), but the 3.3-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the AirPods Pro 3 if audio quality and feature breadth (ANC, codecs, multipoint) are the lead criteria for your purchase. The biggest gaps in its favor are driver size, spatial audio, water resistance, among others. The single most decisive one: Driver size — 4.76% more. 11 mm vs 10.5 mm.
Pick the Liberty 4 Pro if your top frustration with your current device is running out of charge before the day ends — endurance is the lead spec here. Its strongest claims are battery — with case, battery — buds, multipoint. The single most decisive one: Battery — with case — 33.33% more. 40 h vs 30 h.
Both ship with comparable active noise cancellation, so those specs do not separate the two — focus on the differences below.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity says both are well-rounded; the differences are about trade-offs, not quality.
Which should you buy: Apple - AirPods Pro 3 or Anker - Liberty 4 Pro?
Anker - Liberty 4 Pro leads the current Mars Score by 3.3 points.The more useful decision is the trade-off behind that result: compare driver size, battery — buds, weight per bud against the way you will actually use the product.
Choose Apple - AirPods Pro 3 if…
Apple - AirPods Pro 3 has the measurable edge on driver size mm, has spatial audio, ip rating.
Choose Anker - Liberty 4 Pro if…
Anker - Liberty 4 Pro has the measurable edge on battery life case h, battery life buds h, has multipoint.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why Apple - AirPods Pro 3 wins
- ▲Driver size — 4.76% more. 11 mm vs 10.5 mm.
- ▲Has Spatial audio.
- ▲Water resistance: IP57 (vs IPX4).
- ▲Weight per bud — 0.30 g less. 5.3 vs 5.6.
Why Anker - Liberty 4 Pro wins
- ▲Battery — with case — 33.33% more. 40 h vs 30 h.
- ▲Battery — buds — 25.00% more. 10 h vs 8 h.
- ▲Has Multipoint.
Spec comparison
Design
| Spec | Apple - AirPods Pro 3 | Anker - Liberty 4 Pro |
|---|---|---|
| Form factor | in-ear | in-ear |
| Weight per bud | 5.3 glead | 5.6 g |
| Water resistanceⓘ | IP57lead | IPX4 |
Audio
| Spec | Apple - AirPods Pro 3 | Anker - Liberty 4 Pro |
|---|---|---|
| Driver sizeⓘ | 11 mmlead | 10.5 mm |
| Active noise cancellationⓘ | true | true |
| Transparency mode | true | true |
| Spatial audioⓘ | truelead | false |
Battery
| Spec | Apple - AirPods Pro 3 | Anker - Liberty 4 Pro |
|---|---|---|
| Battery — buds | 8 h | 10 hlead |
| Battery — with case | 30 h | 40 hlead |
| Wireless case chargingⓘ | true | true |
Connectivity
| Spec | Apple - AirPods Pro 3 | Anker - Liberty 4 Pro |
|---|---|---|
| Bluetoothⓘ | 5.3 | 5.4lead |
| Codecsⓘ | AAC,SBC | LDAC,AAC,SBC |
| Multipointⓘ | false | truelead |
| In-ear detection | true | true |
Frequently asked
Which has longer battery, AirPods Pro 3 or Liberty 4 Pro?+
Liberty 4 Pro lasts 10h per charge vs 8h.
Do AirPods Pro 3 or Liberty 4 Pro support multipoint?+
Liberty 4 Pro supports multipoint pairing; AirPods Pro 3 does not.
Which has ANC, AirPods Pro 3 or Liberty 4 Pro?+
Both models have active noise cancellation.