What are some alternatives?
When comparing MultiMiner and Uphold, you can also consider the following products
NiceHash - Bitcoin Cloud Mining
Coinbase - Bitcoin, safe and easy.
MinerGate - Start mining effectively with your computer or smartphone. Squeeze the most profit automining coins with the highest rates.
Electrum - Electrum is an easy to use Bitcoin client.
EOBot - "Cloud" mining and Bitcoin mining
Binance - Cryptocurrencies exchange platform