Bargain Hunter: Hailo's smartphone taxi tip can save you money on cab fares

Spin a web to Blinkbox and reel in The Amazing Spiderman 2 (AP)

Smartphone app Hailo is offering 20 per cent of all taxi rides in London from 10am to 5pm on weekdays throughout August with its "Fare Buster" deal.

Passengers simply Hailo a taxi as normal through their phone app, choose to pay by card and 20 per cent should be automatically taken off the fare.

Sweet-smelling offer for 02 users

O2 smartphone users can get a free perfume worth £10, in-store at the Fragrance Shop.

The offer is available through a voucher available on the O2 Priority Moments app, and runs until 21 August.

The £10 voucher can also be used towards a more-expensive perfume.

Fresh melon juice at a special promotional price

Do you like the sound of raw, fresh melon juice?

There's a new brand just launched called Mello which promises "the goodness of a whole melon in every bottle" and during August it is available at a special promotional price of £1.99 through Ocado, 50p off its standard price.

There are two varieties: Watermelon and Cantaloupe. Full details at mellodrinks.co.uk

Cheaper tools from Aldi's new Workshop range

Aldi Specialbuys is launching a new Workshop range in stores from next Thursday 14 August.

It will include tools such as hacksaws at £4.99, screwdriver sets at £9.99, safety shoes at £12.99 and a range of drills.

Asda price on discounted dishwasher tablets

Asda has a deal on Fairy Platinum All-in-one Lemon Dishwasher tablets in stores at the moment with a pack of 40 just £5, compared to up to £14 charged elsewhere.

Have your free cake and eat it with John Lewis

Get a free John Lewis loyalty card and you can get tea or coffee and cake for nothing every month.

Once you've registered for the card online – at www.johnlewis.com – or in-store, you'll be sent a welcome pack containing vouchers for cake and drink valid in the month stated on the front.

Streaming device can transform your telly

Chromecast is a new, thumb-sized media streaming device which transforms an ordinary television with an HDMI port into an internet-connected TV.

And if you buy one through Tesco at £30 before the end of October, you'll get a fiver credit for the company's movie-streaming service Blinkbox.

Full terms and conditions at blinkbox.me/5free

Beat the rest to see the new Spiderman movie

Meanwhile Blinkbox is offering the chance to own The Amazing Spiderman 2, two weeks before its official DVD release – and earn 500 Tesco Clubcard points in the process. The movie costs £9.99 in SD, £13.99 in HD.

Got any deals or discounts to share with readers? Send details and deadlines to your money@independent.co.uk