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Customer reviews

Slingshot reviews

As of 2026, Slingshot holds an average rating of 2.6 out of 5 across 3 platforms (394 votes). Customers reviewing Slingshot share feedback on pricing, customer service and billing. Read every angle below, then compare to other NZ retailers.

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2.6 / 5 average Trustpilot 1.1 (174) Google Play 4.2 (150) App Store 2.5 (70)
Slingshot
2.6 /5

Platform ratings

Trustpilot 1.1 (174) Google Play 4.2 (150) App Store 2.5 (70) Selectra 1.1 (175)
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Customer reviews

What customers really say about Slingshot

Customers reviewing Slingshot often share feedback about pricing, customer service, and their experiences with billing or contract management. Together with Selectra's expert analysis, we summarise the key pros and cons to help you make an informed decision when switching your energy provider.

Selectra has developed extensive insight and expertise in New Zealand's energy market, drawing on years of analysing electricity and gas providers around the world. Our in-depth guides explore everything Kiwis need to know about energy in Aotearoa — from electricity rates and provider comparisons to account management tips, connection details and real customer reviews.

Verdict

Pros and cons of choosing Slingshot

Headline strengths and weaknesses identified by Selectra's analysts, distilled from reviews and the retailer's offer book.

Advantages of choosing Slingshot

  • Bundle discounts when combining power and broadband services.
  • No fixed-term contract or exit fees for power.
  • One bill covers power, broadband, and mobile.
  • Flexible billing: weekly, fortnightly, or monthly payments.
  • NZ-based support with app account management tools.

Disadvantages of choosing Slingshot

  • Power only available when bundled with broadband.
  • Minimum six-month broadband term with exit fee.
  • Not listed on key comparison tools online.
  • Mixed online reviews for customer service experience.
  • Live chat hours limited to weekday daytimes.

Understanding online reviews

Review sites like Trustpilot can provide useful insights, but they are often dominated by customers who had a negative experience. As a result, the overall rating may not accurately reflect the typical experience for most customers, but rather the opinions of a vocal minority. For the most accurate picture, consider both positive and negative reviews together — and weigh them against your own household needs.

Provider reputation

Reviews of Slingshot as an electricity retailer

Choosing an electricity provider is more than finding the cheapest rate, it's about reliability, service quality and how a company treats its customers. Here is how Slingshot performs on the main customer-review platforms.

Slingshot on Trustpilot

1.1 / 5 (174 reviews)

Trustpilot hosts verified customer reviews about billing, customer service, and how well issues are resolved. It reflects the day-to-day reality of being a customer.

Slingshot on Google Maps

Not enough ratings yet

Google Maps reviews focus on branch visits, in-person service, phone support and overall company reputation, useful for judging accessibility and responsiveness.

Selectra expert analyses

Overall provider experience with Slingshot

1.1 / 5 weighted across 1 platform (174 reviews)

Slingshot attracts significant criticism as a retailer. Reviewers frequently mention billing errors, poor complaint handling and difficulty reaching customer service. If you switch, keep written records of every interaction.

App experience

Reviews of the Slingshot app

Most NZ retailers offer a mobile app for tracking usage, paying bills and managing your account. Here is how the Slingshot app is rated by everyday users.

Slingshot on Google Play

4.2 / 5 (150 reviews)

Google Play reviews capture the Android app experience: login, usage tracking, bill payments, and app stability over time.

Slingshot on App Store

2.5 / 5 (70 reviews)

Apple's App Store shows how iPhone and iPad users rate the app on usability, performance, push notifications and account features.

Selectra expert analyses

Overall app experience with Slingshot

3.7 / 5 weighted across 2 stores (220 reviews)

User opinion on the Slingshot app is divided. Many appreciate the core features, but recurring complaints touch on bugs, login issues or slow updates. Check the most recent reviews before relying on the app for daily management.

Reader voices

What Selectra readers say about Slingshot

Independent reviews collected directly from Kiwi households using Slingshot. Filter by rating to focus on the experiences that matter most to you.

No Selectra reader reviews for Slingshot just yet. Be the first to share your experience — your feedback helps other Kiwi households compare retailers.

Smart reading

What to look for when reading Slingshot reviews

Reviews are most useful when you know what to weigh. New Zealand consumers benefit from a competitive market, but that also means there's a lot to compare.

Billing transparency

Comments about accurate billing and clear communication of rates and fees.

Customer service quality

Positive feedback on responsiveness, helpfulness and issue resolution is a strong service indicator.

Pricing and plan flexibility

Reviewers may mention hidden costs, fixed vs. variable rates, or how easy it is to switch plans.

Reliability and outage response

Reviews discussing outage handling or network reliability show how the provider performs under pressure.

Green energy options

Some customers value renewable energy sources — look for mentions of sustainability or eco-friendly plans.

Ease of switching or cancelling

Check if users report smooth transitions when signing up or leaving a contract.

Online account tools and apps

Many NZ providers offer apps for tracking usage and payments; reviews often reveal whether these tools actually work.

Overall satisfaction vs. expectations

Consider whether reviewers' experiences align with what the provider promises in marketing materials.

App reviews

Reading app store reviews wisely

App reviews on Google Play and the App Store reflect day-to-day usability for paying bills, tracking usage and managing accounts. Use this checklist to separate signal from noise.

1

Overall rating trends

A single negative review does not tell the full story. Look at the overall rating and the proportion of 4–5 star reviews vs. 1–2 stars.

2

Recent feedback

Apps evolve quickly. Focus on reviews from the past few months to see how well developers are maintaining and updating the app.

3

Performance and stability

Users often mention bugs, crashes, or slow performance, these can be red flags for everyday usability.

4

Feature satisfaction

Pay attention to how people describe the core functions (search, payments, notifications). This tells you if the app does what it promises.

After the verdict

Switching to Slingshot — what to expect

If reviews convince you to switch to Slingshot, the process is simple. Here is your practical checklist and the step-by-step flow.

Before you switch — practical checklist

  • ICP number: confirm the 15-digit ICP on your bill.
  • Recent meter reading: take a photo or write down the numbers on switch day to ensure an accurate final bill from your existing retailer.
  • Compare whole-of-bill costs: daily charges, unit rates (¢/kWh), conditional discounts, GST and fixed fees — headline rates rarely tell the full story.
  • Contract type: fixed-term vs. open/variable — fixed terms can be cheaper but often include exit fees; read the small print for auto-renewals.
  • Meter compatibility: confirm whether the plan needs a communicating smart meter (time-of-use tariffs, prepay options and export metering often do).
  • Concessions and special billing: if you receive concessions or have special arrangements, check how they transfer or whether you must reapply with the new retailer.

The switch — step by step

  1. 1 You accept the new plan: sign up on the provider's website or over the phone and provide your ICP and account details.
  2. 2 New retailer lodges the switch: they register the switch for your ICP in the industry system — your physical supply continues.
  3. 3 Final bill from the old retailer: the previous retailer issues a final bill (pay or receive any balance). Credits are refunded or applied according to that retailer's policy.
  4. 4 Final meter read: give a closing meter read on or before the switch date; otherwise estimates may be used and later reconciled.
  5. 5 Confirmation: expect confirmation messages from both retailers with dates, account numbers and any required actions.

Credit checks, deposits and prepay

Retailers manage credit risk in different ways depending on the plan. The most common approaches:

  • •Credit checks: some plans require a credit check — the retailer must notify you and explain outcomes (decline, deposit, or prepay alternative).
  • •Security deposits / bonds: deposit amount, holding period and refund conditions must be in the contract — always ask up front.
  • •Prepay / pay-ahead: avoids credit checks and bonds; check top-up fees, minimum top-up amounts and automatic disconnection / reconnection rules.
  • •Medical and safety protections: if someone in your household is medically dependent on electricity, tell the retailer at signup to trigger additional safeguards.

Warranties & installed equipment

Solar panels, inverters, batteries and meters often carry separate warranties from your retail contract.

  • •Seller / installer warranties: usually continue if you switch retailer. Confirm any registration or maintenance requirements that keep warranties valid.
  • •Meter changes: if a new retailer requests a meter upgrade, ask whether the retailer or the lines company pays and who guarantees the new equipment.
  • •Export / feed-in: if you export solar generation, check the new retailer's feed-in arrangements — rates and application steps vary between retailers.
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Common questions

The Selectra expert answers your questions about Slingshot reviews

Slingshot is licensed by the Electricity Authority and bound by the Consumer Care Guidelines. Reviews highlight typical strengths and weaknesses, but reliability is best judged against your own needs: pricing for your usage, plan flexibility, and how the retailer handles outages and billing.

Review platforms like Trustpilot, Google Maps, Google Play and the App Store reflect real experiences but are often skewed toward dissatisfied customers. Read a mix of positive and negative reviews and look at trends over the last few months rather than isolated comments.

The figure shown above is an average across every platform where Slingshot has at least one verified rating. Each platform weighs differently in practice: app ratings reflect the mobile experience, while Trustpilot and Google Maps capture customer-service and in-person interactions.

Confirm your ICP number, take a closing meter read, compare full bill costs (daily charges + unit rates + discounts), check contract type and exit fees, and verify whether the plan needs a smart meter. Always cross-check the headline price against several other retailers based on your real address and 12-month consumption.

If you are or have been a Slingshot customer, share your experience via the review platforms (Slingshot on Trustpilot, Google Maps, Google Play or the App Store). Selectra also collects independent reviews to help future customers compare retailers objectively.