Comparison

IOL vs Keraring Planner

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

Head to head

IOL

Free

🏥 Medical

★ 3.69 ratingsView app →

About

IOL

This medical tool assists in calculating intraocular lens power for cataract surgery. It provides essential calculations for ophthalmologists and eye care professionals.

Highlights

Intraocular lens power calculation
Cataract surgery assistance
Medical calculation tool
Ophthalmology aid

Read full description

An intraocular lens power calculator for cataract surgery.

About

Keraring Planner

Features

Read full description

Keraring Planner is an advanced tool designed to streamline the surgical planning process for Keraring procedures and enhance communication between surgeons and Mediphacos. This user-friendly app offers comprehensive features to support surgeons in planning and executing Keraring surgeries with precision and efficiency.

Screenshots

IOL2 screens

Keraring Planner4 screens

Verdict

The call

The clearest difference is update cadence: IOL at weekly against Keraring Planner's every 5 weeks. IOL also leads on iOS requirement (11.2 vs 13.0). On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

IOL ships an update weekly, Keraring Planner every 5 weeks. The most recent releases landed on October 23, 2026 and October 10, 2026 respectively.

Scorecard2 real differences · 8 level

IOL versus Keraring Planner: the parameters behind the verdict, then further details
Parameter	IOL	Keraring Planner
Price	Free	Free
Rating	3.6 (9 ratings) — better	—
Positive reviews	75.0% of reviews	—
Number of ratings	9 — better	—
Update frequency	Weekly — better	Every 5 weeks
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	11.2 — better	13.0
Further details — not scored
Size	1 MB	30 MB
Age rating	4+	17+
Developer	Columbia University	Claudio Curi

In-app purchases

None

IOL

No in-app purchases

None

Keraring Planner

No in-app purchases

Questions

Is IOL free?

IOL is free to download, with no in-app purchases.

Is Keraring Planner free?

Keraring Planner is free to download, with no in-app purchases.

Do IOL or Keraring Planner have ads?

Neither IOL nor Keraring Planner shows ads.

Which is updated more often, IOL or Keraring Planner?

IOL ships an update weekly, and Keraring Planner every 5 weeks. Most recently, IOL was updated on October 23, 2026 and Keraring Planner on October 10, 2026.