My Boost vs Grosave
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
My Boost
Access a wide variety of online and in-store discounts from leading New Zealand retailers. Receive notifications for new offers on everything from food and accommodation to furniture and car tyres. This app simplifies accessing perks without needing a physical card.
- Instant access to online and in-store discounts
- Wide range of New Zealand retailers
- Notifications for new offers
- No physical card required
- Customizable for businesses
- Staff perks program
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The Boost app gives you instant access to a wide range of online and in-store discounts from some of New Zealand’s leading retailers, and there’s something for everyone. As new offers and discounts are added, the Boost app will let you know with notifications. All the discounts feature in the easy-to-use Boost app, so there’s no need to worry about keeping a card on you. From accommodation to tyres, food to furniture – Boost has a huge variety of retailers ready to give you the perks you deserve. Boost is an easy-to-run staff perks programme, available instantly to every business in New Zealand. Boost is customisable to your organisation, with the ability to add personalised offers, your company logo and the choice of which retailers are available to your team. Boost the satisfaction, loyalty and retention of awesome employees. Boost is powered by n3, so leverages its buying power to provide users with great discounts from a huge variety of retailers, everything from food, to accommodation and even tyres for your car. Boost comes with a nifty app and website. A card is also available. It’s easy to use, customisable and sweet and simple.
Grosave
Easily compare grocery prices and get notified when your favorite items go on sale. Manage multiple shopping lists and track historical price changes to make informed purchasing decisions.
- Price comparison
- Price notifications
- Sort products by price
- Manage multiple shopping lists
- Historical price tracking
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Compare NZ supermarket prices and save on your full grocery shop, not just one item at a time. Grosave is a free grocery price comparison and smart shopping list app built for New Zealand. Scan a receipt, a list on another screen or a handwritten list, then compare nearby supermarkets and find a better-value plan for your full shop in one tap. Our analysis found potential savings averaging 13.6% when suitable alternatives were included, about $1,700 a year on a $250 weekly grocery shop. HOW GROSAVE WORKS Type your list or scan it. Choose the supermarkets near you. Add suitable alternatives if you are flexible about brands. Compare buying plans for your full list. Use the plan as a checklist while you shop. SMART SHOPPING LISTS • Scan receipts, lists on another screen and handwritten lists. • Add general items such as “milk” or choose exact products. • Include alternative products from different brands. • Share lists with family or friends and see updates in real time. • Keep multiple lists synced across your devices. COMPARE AND SAVE • Compare prices across supported NZ supermarkets. • Sort products by price or price per unit. • See plans that balance lower prices with fewer, nearby stops. • Check grocery specials and deals before you shop. • Set price alerts for your favourite products. • View price history to judge whether a special is genuinely good. Grosave is free to use. Based on Grosave’s internal analysis of 727 eligible NZ shopping lists, compared with buying the full list at the nearest single supermarket. $250 × 52 × 13.6% = $1,768. Actual savings vary by location, product availability, selected alternatives and changing prices.
Screenshots
Verdict
The clearest difference is ads: Grosave at none against My Boost's shown. Grosave also leads on review sentiment (58% vs 33%) and update cadence (fortnightly vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
My Boost ships an update every 2 months, Grosave fortnightly. The most recent releases landed on June 1, 2026 and September 9, 2026 respectively.
| Parameter | My Boost | Grosave |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | 58.3% of reviews — better |
| Update frequency | Every 2 months | Fortnightly — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.4 — better | 14.0 |
| Further details — not scored | ||
| Size | 27 MB | 12 MB |
| Age rating | 12+ | 4+ |
| Developer | n3 Ltd | Yuxuan Hong |
Customer experience
My Boost
Grosave
In-app purchases
My Boost
No in-app purchases
Grosave
No in-app purchases








