ZenSim · Prepaid · Vodafone network

ZenSim 100GB monthly plan

$60 a month, 100GB a month. Nothing we track with as much data costs less in the first year.

First year: $720
Two years: $1,440
Average a month: $60
Per GB, year one: $0.60

Same price in year two

eSIM
5G
No lock-in
Stops when data runs out

Get it at ZenSim Chart it against others

How it compares

Ranks 49 of 52 for first-year cost among plans with 50GB to 150GB a month.
$0.60 a GB in year one: 22% above the median of $0.49 for similar plans.
19 plans with at least as much data cost less in year one. The cheapest is TPG 100GB, $315 less.
The cheapest postpaid plan with at least as much data is E.Tel 120GB, $241 less over the first year.

Worth knowing

This plan carries a note that a detail wasn't stated or couldn't be read (for example what happens when data runs out), so check the provider's page before you buy.

What you get

Data

100GB a month. Data stops until you recharge or buy more.

Calls and texts

Unlimited calls and texts to Australian numbers

Overseas calls

Some overseas minutes included. 1,000 minutes of international calls to 25 countries

Roaming

Not included. A Roaming Pack costs $35 (2GB, 90 minutes, 100 SMS)

Renews

Prepaid recharge a month

Features

5G, eSIM, No lock-in

Extras (not counted in the price)

Data Bank keeps unused data up to 500GB
Data packs: 5GB for $10 or 15GB for $15, 30-day expiry

Charged on the same day each month rather than every 28 days.

ZenSim's plans page doesn't say what happens when the data runs out; extra data is sold as packs, so we treat data as stopping.

ZenSim's plans page says to see its Critical Information Summaries, but we could not find them; check the figures with ZenSim before you buy.

Plans with similar data

Plans with 50GB to 150GB a month, cheapest first year first.

Plans similar to ZenSim 100GB
#	Plan	Data a month	First year	Two years
1	TPG50GB	50GB	$315	$735
2	iiNet50GB	50GB	$315	$735
3	Pivotel50GB	50GB	$315	$735
4	Lyca MobileS 50GB	54GB	$330	$720
5	Tangerine50GB	50GB	$360	$792
6	Moose Mobile50GB	50GB	$360	$720
7	ZenSim100GB	100GB	$720	$1,440

Head to head

Your first year, payment by payment

12 payments in your first year, all at the standard price. That adds up to $720.

Standard price

Every payment in your first year on ZenSim 100GB
Payment	Day	You pay	Data
1	0	$60	100GB
2	30	$60	100GB
3	61	$60	100GB
4	91	$60	100GB
5	122	$60	100GB
6	152	$60	100GB
7	183	$60	100GB
8	213	$60	100GB
9	243	$60	100GB
10	274	$60	100GB
11	304	$60	100GB
12	335	$60	100GB

When the data runs out

100GB included, then stopped.

When the 100GB runs out, mobile data stops until the plan renews or you buy more. You are never charged extra, but you can be left without data late in the month. Data Bank keeps unused data up to 500GB.

Is it good value?

Year one works out at $0.60 a GB, the 63rd cheapest of the 115 plans we track.
The price stays the same all year, so there is no deal to run out.
There is no lock-in contract, so you can leave when a cheaper plan turns up.
1,000 minutes of international calls to 25 countries.

Questions people ask

What network does ZenSim 100GB use?

ZenSim uses the Vodafone network. It rents capacity from Vodafone, so coverage follows Vodafone's towers. Check Vodafone's coverage map for your street.

What happens when the deal ends?

There is no deal on this plan right now. It costs $60 a month.

Can I use it overseas?

Not included. A Roaming Pack costs $35 (2GB, 90 minutes, 100 SMS).

Is there a contract?

No. It has no lock-in contract. It renews when you recharge.

How was this checked?

On 14 October 2026, from ZenSim's own pages. Prices older than 30 days are hidden from the comparison. We are not paid by providers to rank them.

Sources

Checked 14 October 2026 on ZenSim's own pages: ZenSim mobile phone plans · ZenSim general terms (price table). Always read the Critical Information Summary before you buy.