Comparison

Ring Sizer vs Inventory Snap

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

Head to head
About

Ring Sizer

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The simplest way to find your ring size - no paper, no string, no jeweler required. Place your ring on the screen, adjust the circle, and get your exact size in seconds. One tool, every size standard, zero subscriptions. WORKS TWO WAYS - Place an existing ring on screen to match the size instantly - Measure your finger directly using the on-screen guide EVERY SIZE STANDARD INCLUDED - US / Canada - UK / Australia - Europe / ISO - Japan / China - Millimeters & inches BUILT FOR THE MOMENT - Engagement ring shopping - Wedding band ordering - Jewelry gifts - measure while they sleep - Online ring purchases with no size guide WHY RING SIZER - No subscription - $4.99 once, yours forever - Save your measurements for every finger - Lightweight - under 5MB - Clean, accurate, no bloat HOW IT WORKS 1. Place your ring on the circle on screen 2. Drag the slider until the circle matches your ring 3. Read your size in any international standard 4. Save it - never measure again Whether you're buying an engagement ring or ordering jewelry online, get the size right the first time. No subscriptions. No nonsense. $4.99. https://www.apple.com/legal/internet-services/itunes/dev/stdfla/

About

Inventory Snap

Features
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Inventory Snap is a fast, offline barcode inventory tracker. Scan items, track stock levels and low-stock alerts, organize by location and category, and export clean CSV for Etsy, eBay, Shopify, Numbers and accounting โ€” all on your phone, no account required. Free for up to 10 items; upgrade to Pro for unlimited items and full CSV export. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Ring Sizer4 screens
Inventory Snap3 screens

Verdict

The call

The clearest difference is in-app purchases: Inventory Snap at none against Ring Sizer's 3. Inventory Snap also leads on ads (none vs shown) and update cadence (every 5 days vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Ring Sizer sells 3 one-off in-app purchases. Inventory Snap asks for nothing beyond the download.

UpkeepUpdate frequency

Ring Sizer ships an update every 2 months, Inventory Snap every 5 days. The most recent releases landed on October 20, 2026 and October 25, 2026 respectively.

Scorecard3 real differences ยท 3 level
Ring Sizer versus Inventory Snap: the parameters behind the verdict, then further details
ParameterRing SizerInventory Snap
PriceFreeFree
Update frequencyEvery 2 monthsEvery 5 days โ€” better
AdsYesNo โ€” better
In-app purchasesYesNo โ€” better
DevicesiPhoneiPhone
Requires iOS17.017.0
Further details โ€” not scored
Size23 MB3 MB
Age rating4+4+
DeveloperCloud Motion Lab LLCEvgenii Sinitsyn

In-app purchases

3 purchases

Ring Sizer

One-time3
  • RingSizerPremium$4.99
  • Lifetime Pro - Special Offer$9.99
  • Lifetime$14.99
None

Inventory Snap

No in-app purchases

Questions

Is Ring Sizer free?
Ring Sizer is free to download, with in-app purchases available.
Is Inventory Snap free?
Inventory Snap is free to download, with no in-app purchases.
Do Ring Sizer or Inventory Snap have ads?
Ring Sizer shows ads; Inventory Snap does not.
Which is updated more often, Ring Sizer or Inventory Snap?
Ring Sizer ships an update every 2 months, and Inventory Snap every 5 days. Most recently, Ring Sizer was updated on October 20, 2026 and Inventory Snap on October 25, 2026.

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