ISOtunes Free 2.0 vs OnePlus Buds 4
Updated: Dec 6, 2025
ISOtunes Free 2.0
$130
VS
Updated: Dec 6, 2025
$130
$121
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The ISOtunes Free 2.0 and OnePlus Buds 4 are both wireless earbuds, but they differ significantly in battery life and price. The ISOtunes Free 2.0 offers 8 hours of playtime, making it suitable for short listening sessions or casual use, while the OnePlus Buds 4 provide an impressive 30 hours with the charging case, ideal for users who need extended use throughout the day. The price difference also favors the OnePlus Buds 4, making them a more cost-effective choice for users seeking longevity in their audio experience.
| Spec | ISOtunes Free 2.0 | OnePlus Buds 4 | Winner |
|---|---|---|---|
| $129.99 | $121.21 | ||
| Unknown | Unknown | = | |
| 6mm | 12.4 mm | = | |
| 8 hours | 30 hours with charging case | = | |
| SBC, AAC | AAC, SBC | = | |
| IP67 | IP55 | = | |
| 5.0 | Bluetooth 5.3 | = | |
| Passive noise isolation | Active Noise Cancellation (ANC) | = | |
| Price | $129.99 | $121.21 | B |
ISOtunes Free 2.0
$129.99
OnePlus Buds 4
$121.21
ISOtunes Free 2.0
Unknown
OnePlus Buds 4
Unknown
Tie
ISOtunes Free 2.0
6mm
OnePlus Buds 4
12.4 mm
Tie
ISOtunes Free 2.0
8 hours
OnePlus Buds 4
30 hours with charging case
Tie
ISOtunes Free 2.0
SBC, AAC
OnePlus Buds 4
AAC, SBC
Tie
ISOtunes Free 2.0
IP67
OnePlus Buds 4
IP55
Tie
ISOtunes Free 2.0
5.0
OnePlus Buds 4
Bluetooth 5.3
Tie
ISOtunes Free 2.0
Passive noise isolation
OnePlus Buds 4
Active Noise Cancellation (ANC)
Tie
ISOtunes Free 2.0
$129.99
OnePlus Buds 4
$121.21
Which product do you prefer? Share your opinion and see what others think!
$130
$121
The ISOtunes Free 2.0 and OnePlus Buds 4 are both wireless earbuds, but they differ significantly in battery life and price. The ISOtunes Free 2.0 offers 8 hours of playtime, making it suitable for short listening sessions or casual use, while the OnePlus Buds 4 provide an impressive 30 hours with the charging case, ideal for users who need extended use throughout the day. The price difference also favors the OnePlus Buds 4, making them a more cost-effective choice for users seeking longevity in their audio experience.
ISOtunes Free 2.0 costs $130 while OnePlus Buds 4 costs $121, making a difference of $9.
Yes, both are from null.
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