Comparison

InStock vs Nudge

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

InStock

Features
Read full description

Follow stock and price changes on the product pages you choose with InStock. Paste a public product link and optionally enter a size, variant or target price. • Track 1 active item for free • Upgrade to InStock Pro for up to 30 active items • Share product links from Safari • Receive push alerts when checks detect matching availability or a target price Compatibility depends on the retailer and product page. Checks are periodic, so alerts may be delayed and availability can change before you visit the store. Enable notifications to receive alerts. Pro is optional. Available plans, prices and any eligible trial are shown before purchase. Subscriptions renew automatically unless cancelled in your Apple Account settings. Restore Purchases is available in the app. InStock is independent and is not affiliated with any retailer. It does not buy products on your behalf or collect your card details. Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Service terms: https://restock-api.alexisoscaretlik.workers.dev/terms Privacy Policy: https://restock-api.alexisoscaretlik.workers.dev/privacy Support: https://restock-api.alexisoscaretlik.workers.dev/support

About

Nudge

Never miss out on sold-out items again. This app monitors specific sizes and colors of products from popular retailers and sends instant push notifications when they are back in stock. It provides a direct link to purchase, eliminating the need for constant page refreshing.

Highlights
  • Per-size and color tracking
  • Share sheet extension for easy tracking
  • Instant push notifications
  • Direct link to purchase
  • Tracker view of restocked items
  • Pause or stop tracking anytime
Features
Read full description

HOW IT WORKS 1. Find something sold out and share the link to Nudge (right from Safari's share sheet, or paste it in). 2. Nudge reads the page and shows you every size and color, in stock or not. 3. Pick the exact one you want. 4. We check it every few minutes, and send you a push notification the moment it's back — with a direct link to buy. That's it. No account, no email signup - just your device. BUILT FOR THE STORES THAT SELL OUT FAST Nudge currently watches Skims, Gymshark, Alo Yoga, Princess Polly, White Fox, Oh Polly, Brandy Melville, Meshki, Edikted, Motel Rocks, Tala, NVGTN, Oner Active, Doen, The Frankie Shop, Everlane, Cult Gaia, House of Sunny, AYBL, Represent, Realisation Par, Francesca's, and the Gap family — Old Navy, Gap, Banana Republic, and Athleta. More stores are added regularly. WHAT YOU GET • Per-size tracking - not just "is this item in stock," but "is size M, in this exact colorway, in stock" • A share-sheet extension so tracking something takes one tap from the store's own site or app • Push notifications the instant your size restocks • A tracker view that separates what's back in stock from what's still waiting • A buy button that jumps straight to checkout for that item • Pause or stop watching anything, anytime Stop refreshing the product page. Let Nudge do it for you. Terms of Use (EULA): https://shopwithnudge.com/terms Privacy Policy: https://shopwithnudge.com/privacy

Screenshots

InStock3 screens
Nudge4 screens

Verdict

The call

The clearest difference is ads: InStock at none against Nudge's shown. InStock also leads on chart position (#142 vs unranked). Nudge's advantage is update cadence (daily vs every 9 days). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. InStock sells 5 in-app purchases, starting at $3.99 per month and Nudge sells 2 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

InStock ships an update every 9 days, Nudge daily. The most recent releases landed on November 9, 2026 and November 6, 2026 respectively.

Scorecard3 real differences · 8 level
InStock versus Nudge: the parameters behind the verdict, then further details
ParameterInStockNudge
PriceFreeFree
Rating—5.0 (3 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—3 — better
Update frequencyEvery 9 daysDaily — better
AdsNo — betterYes
In-app purchasesYesYes
Monetization—Free with in-app purchases
Best chart rank#142 — better—
DevicesiPhoneiPhone
Requires iOS17.016.4 — better
Further details — not scored
Size14 MB69 MB
Age rating4+4+
Developeroscar etlikHenry Osterweis

In-app purchases

5 purchases

InStock

Subscriptions4
  • Restock Pro$3.991 Month
  • Restock Pro$4.997 Days
  • Restock Pro3 Days trial$17.991 Year
Show 1 more
  • Restock Pro3 Days trial$19.991 Year
One-time1
  • InStock Lifetime$24.99
2 purchases

Nudge

Subscriptions2
  • Nudge Pro Weekly$2.997 Days
  • Nudge Pro Yearly$39.991 Year

Questions

Is InStock free?
InStock is free to download, with in-app purchases available.
Is Nudge free?
Nudge is free to download, with in-app purchases available.
Do InStock or Nudge have ads?
Nudge shows ads; InStock does not.
Which is updated more often, InStock or Nudge?
InStock ships an update every 9 days, and Nudge daily. Most recently, InStock was updated on November 9, 2026 and Nudge on November 6, 2026.

Other comparisons