Service comparison
BAIDUDL vs Baidu Erranium
Most people switch from Baidu Erranium after seeing what the same download costs elsewhere. This page puts the two services side by side across pricing, coverage, and delivery so you can make that comparison without hunting through multiple sites.
Pricing comparison
Baidu Erranium uses usage-based per-GB pricing. The figures below are calculated from their published rates: $2.99 for the first GB plus $0.40 per additional GB for Baidu Pan, and $3.99 plus $0.45 per additional GB for all other services. BAIDUDL and QuarkDownloader use flat pricing per file size tier.
| File size | BAIDUDL | Baidu Erranium | QuarkDownloader |
|---|---|---|---|
| Up to 1GB | $1.99 | $2.99 (Baidu Pan) / $3.99 (other services) | $0.99 |
| Up to 5GB | $1.99 | ~$3.59 (Baidu Pan) / ~$4.59 (other services) | $2.99 |
| Up to 15GB | $1.99 | ~$8.39 (Baidu Pan) / ~$10.39 (other services) | $2.99 |
| Up to 50GB | $3.99 | ~$22.59 (Baidu Pan) / ~$27.59 (other services) | $4.99 |
| Up to 150GB | $7.99 | ~$62.59 (Baidu Pan) / ~$77.59 (other services) | Not available |
Erranium applies a fixed charge of $5.99 for services not listed in their pricing table, regardless of file size. Non-Baidu Pan services carry a higher per-GB rate than the Baidu Pan tier.
Feature comparison
Beyond pricing, the services differ in account requirements, delivery method, and what the signup flow actually looks like versus what the landing page suggests.
| Feature | BAIDUDL | Baidu Erranium | QuarkDownloader |
|---|---|---|---|
| Supported services | 14 Chinese cloud services | 6 named services + other at fixed price | Quark Pan only |
| Pricing model | Flat per file size | Usage-based per GB | Flat per file size |
| Account required | No (one-time plan) | Yes, email, password, and full name required despite paste-and-go landing page | No |
| Delivery method | Direct download link by email | Google Drive or direct link | Direct download link by email |
| Download link validity | 7 days | Not specified | 7 days |
| Subscription option | Yes | No | No |
| Guaranteed delivery | Yes, with refund policy | Not stated | Yes, with refund policy |
The short version
BAIDUDL
Best overall
Flat pricing, 14 supported services, guaranteed delivery with a refund policy, and a subscription option for repeat users. The price difference versus Erranium grows significantly with file size.
Visit BAIDUDLQuarkDownloader
Best for Quark Pan
The cheapest entry point at $0.99 for files under 1GB. Purpose-built for Quark Pan with no account or dashboard. A direct alternative to Erranium for users whose files come from Quark Pan specifically.
Visit QuarkDownloaderBaidu Erranium
When it makes sense
Live chat support and a free tier for files under 20MB are genuine advantages. Usage-based pricing works out reasonably for very small files but becomes expensive quickly as file size increases.
Full rankings
This page covers three services. The full comparison ranks all five tools we have tested with scores across speed, reliability, service coverage, ease of use, and price.