Comparison

Stone vs Cataract Surgery Guide

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

Head to head
About

Stone

This app is a dedicated tracker for the 5x5 barbell strength training program. It guides you through weight selection, plate loading, rest periods, and progression. Your data is stored locally, and you can import existing history for free.

Highlights
  • Automatic progression and deloads
  • Customizable sets, reps, and weight jumps
  • Plate calculator for loading
  • Guided warm-up sets and rest timer
  • Lift substitution and accessory work
  • History, progress, and PR tracking
  • Local data storage and export
Features
Read full description

Stone is a clean, modern tracker for the 5x5 barbell strength program – squat, bench press, barbell row, overhead press, and deadlift. No account, no ads, and no subscription. Pay once, keep it forever. Stone tells you exactly what to do: which weight to lift, the plates to load, when to rest, and when to add weight or deload. Log each set in a tap, then watch your strength climb over weeks and months. SWITCHING APPS? KEEP YOUR HISTORY Importing your existing lifting history is free, forever. Your past workouts and current weights come across in seconds, so you pick up exactly where you left off, no starting over. WHAT STONE DOES • Automatic progression – add weight when you succeed, deload after repeated misses, or set your own increment and deload rules • Programs your way – run 5x5, 3x5, 1x5, or 3x8, and tune the sets, reps, and weight jump for each lift • Plate calculator showing exactly what to load per side, in lb or kg • Guided warmup sets before your working weight • Rest timer between working sets • Swap any lift – substitutes inherit your weight, plate math, and PRs • Accessory work – add chin-ups, dips, or curls alongside your main lifts • History, progress, and PRs – weekly volume, streaks, and PR-aware charts • Make it yours – light or dark, four accent colors, alternate app icons, lb or kg YOU OWN YOUR DATA Your data lives on your device. Export a full backup anytime, your training history is always yours to keep and take with you. We never lock you out of your own data. ONE TIME PURCHASE, WITH TRIAL • Free forever: import your history, view all of your workouts, and export your data • Free for 14 days: log new workouts, starting from your first logged session • One-time unlock ($9.99): unlimited workout logging after the trial That's it. No subscriptions, ever. No ads, ever. Family Sharing is supported. PRIVATE BY DESIGN No sign-up and no account required. Stone collects only anonymous, aggregate usage data to improve the app – never your identity, and never sold.

About

Cataract Surgery Guide

Features
Read full description

Cataract Surgery Guide is a patient education app designed to help people better understand cataracts, cataract surgery, lens implant choices, recovery, and common questions before and after surgery. The app explains cataract basics in simple language, including what a cataract is, how it affects vision, when surgery may be considered, what happens during surgery, and what patients can usually expect during recovery. Cataract Surgery Guide also includes an intraocular lens section to help patients learn about common lens implant options, including monofocal, toric, extended depth of focus, and multifocal lenses. A built in lens simulator helps show how different lens choices and astigmatism levels may affect vision in day and night settings. The app includes practical sections on pre operative care, post operative care, warning signs, eye drop reminders, and questions to ask about costs and expectations. It is designed to make cataract surgery feel less confusing and help patients have a better conversation with their eye surgeon. Features include: • Cataract education in clear patient friendly language • Surgery steps and recovery guidance • Lens implant education • Vision simulator for lens options and astigmatism • Eye drop reminder tool • Warning signs after surgery • Cost and expectation guidance • Available in English, Spanish, Chinese, Japanese, Korean, and Arabic • Adjustable text size for easier reading Cataract Surgery Guide is for education only and does not replace medical advice, diagnosis, or treatment from your ophthalmologist or health care professional. Always follow the instructions given by your surgeon.

Screenshots

Stone4 screens
Cataract Surgery Guide4 screens

Verdict

The call

The clearest difference is in-app purchases: Cataract Surgery Guide at none against Stone's 1. Cataract Surgery Guide also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price and ads 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. Stone sells 1 one-off in-app purchase. Cataract Surgery Guide asks for nothing beyond the download.

Scorecard3 real differences · 6 level
Stone versus Cataract Surgery Guide: the parameters behind the verdict, then further details
ParameterStoneCataract Surgery Guide
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 3 weeks—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.015.0 — better
Further details — not scored
Size14 MB4 MB
Age rating4+17+
DeveloperSignal Creative, LLCMARC HOWARD SHOMER

In-app purchases

1 purchases

Stone

One-time1
  • Unlimited Workout Tracking$9.99
None

Cataract Surgery Guide

No in-app purchases

Questions

Is Stone free?
Stone is free to download, with in-app purchases available.
Is Cataract Surgery Guide free?
Cataract Surgery Guide is free to download, with no in-app purchases.
Do Stone or Cataract Surgery Guide have ads?
Neither Stone nor Cataract Surgery Guide shows ads.

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