Slingshot vs Mercury Mobile
Slingshot wins 2 of 3 usage types on value. Mercury Mobile has the cheaper entry-level plan. Slingshot has the highest-scoring plan for value and features. Slingshot uses the 2degrees network and Mercury Mobile uses Spark, so check coverage where you live and work.
Prices checked 12 October 2026
| Feature | Slingshot | Mercury Mobile |
|---|---|---|
| Network | 2degrees | Spark |
| Plans listed | 4 | 5 |
| Cheapest plan (per month) | $40.00 | $19.00 |
| Cheapest unlimited | None | None |
| Best SmartScore | 6.7 | 6.2 |
| Prepay plans | No | No |
| Pay monthly plans | Yes | Yes |
| eSIM | – | – |
| 5G | Yes | – |
| WiFi calling | Yes | Yes |
Which should you choose?
Light use
Under 5GB: messaging, maps, a bit of social
- Slingshot
- No plan in this range
- Mercury MobileBetter value
- 1.25GB Rollover Data1.25GB/mo · $19/mo · 6.2/10
Only Mercury Mobile has a plan in this range: 1.25GB Rollover Data (1.25GB/mo, $19/mo).
Everyday use
5GB to 40GB: streaming music, social and some video
- SlingshotBetter value
- 10GB Carryover Data10GB/mo · $50/mo · 6.7/10
- Mercury Mobile
- 5GB Endless+ Data5GB/mo + endless · $39/mo · 2.6/10
Slingshot's 10GB Carryover Data (10GB/mo, $50/mo) costs more than Mercury Mobile's 5GB Endless+ Data (5GB/mo + endless, $39/mo), but scores higher (6.7 vs 2.6) for what you get.
Heavy use
40GB+ or unlimited: lots of video, hotspotting
- SlingshotBetter value
- 80GB Carryover Data80GB/mo · $60/mo · 4.5/10
- Mercury Mobile
- 50GB Endless+ Data50GB/mo + endless · $59/mo · 3.5/10
Slingshot's 80GB Carryover Data (80GB/mo, $60/mo) costs more than Mercury Mobile's 50GB Endless+ Data (50GB/mo + endless, $59/mo), but scores higher (4.5 vs 3.5) for what you get.
Choose Slingshot if…
- You want the better plan for everyday and heavy use
- 2degrees coverage is better where you live
Choose Mercury Mobile if…
- You want the better plan for light use
- You want the cheapest way in (from $19/mo)
- Spark coverage is better where you live
Every Slingshot and Mercury Mobile plan
| Plan | Calls | ? | ? | Actions | |
|---|---|---|---|---|---|
Slingshot10GB Carryover Data | 10GB/moRollover | Unlimited | $50/moPaid monthly | 6.7/10 | View deal |
Mercury Mobile1.25GB Rollover Data | 1.25GB/moRollover | 250 mins | $19/moPaid monthly | 6.2/10 | View deal |
Mercury Mobile2.5GB Rollover Data | 2.5GB/moRollover | 350 mins | $29/moPaid monthly | 6.0/10 | View deal |
Slingshot80GB Carryover Data | 80GB/moRollover | Unlimited | $60/moPaid monthly | 4.5/10 | View deal |
Mercury Mobile50GB Endless+ Data | 50GB/mo + endless | Unlimited | $59/moPaid monthly | 3.5/10 | View deal |
Slingshot100GB Endless | 100GB/mo + endless | Unlimited | $75/moPaid monthly | 2.8/10 | View deal |
Slingshot5GB Carryover Data | 5GB/moRollover | 300 mins | $40/moPaid monthly | 2.7/10 | View deal |
Mercury Mobile5GB Endless+ Data | 5GB/mo + endless | Unlimited | $39/moPaid monthly | 2.6/10 | View deal |
Mercury Mobile150GB Endless+ Data | 150GB/mo + endless | Unlimited | $79/moPaid monthly | 2.2/10 | View deal |
Frequently asked questions
Which is better, Slingshot or Mercury Mobile?
Slingshot wins 2 of 3 usage types on value. Mercury Mobile has the cheaper entry-level plan. Slingshot has the highest-scoring plan for value and features. Slingshot uses the 2degrees network and Mercury Mobile uses Spark, so check coverage where you live and work. Light use: Only Mercury Mobile has a plan in this range: 1.25GB Rollover Data (1.25GB/mo, $19/mo). Everyday use: Slingshot's 10GB Carryover Data (10GB/mo, $50/mo) costs more than Mercury Mobile's 5GB Endless+ Data (5GB/mo + endless, $39/mo), but scores higher (6.7 vs 2.6) for what you get. Heavy use: Slingshot's 80GB Carryover Data (80GB/mo, $60/mo) costs more than Mercury Mobile's 50GB Endless+ Data (50GB/mo + endless, $59/mo), but scores higher (4.5 vs 3.5) for what you get.
Is Slingshot or Mercury Mobile cheaper?
Slingshot’s cheapest plan is 5GB Carryover Data (5GB/mo) at $40.00 a month. Mercury Mobile’s cheapest is 1.25GB Rollover Data (1.25GB/mo) at $19.00 a month.
Do Slingshot and Mercury Mobile use the same network?
No. Slingshot uses 2degrees and Mercury Mobile uses Spark.
Can I switch from Slingshot to Mercury Mobile and keep my number?
Yes. Sign up with Mercury Mobile and ask to transfer your number. They’ll handle the switch, and you don’t need to cancel with Slingshot first.