IRIS SmartLF vs Patterns Calc Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
IRIS SmartLF
Remotely manage your smart lights from anywhere. Adjust brightness levels and schedule timers for automatic on/off cycles. Ensure your home is lit just the way you want it, even when you're not there.
- Remote light control
- Brightness adjustment
- Scheduling timers
- Automated on/off
Read full descriptionHide full description
Key Features: Control your lights while you're away Adjust brightness Set timers to turn lights on and off
Patterns Calc Pro
A visually customizable calculator with a focus on ease of use and quick calculations. Offers one-handed mode, adjustable colors, and intuitive memo functions. Supports iPad and provides a simple interface for everyday math needs.
- One-handed mode
- Automatic color changes
- Easy screenshot sharing
- Multiple beautiful patterns
- Large, readable numbers
- Intuitive memo function
- Drag and drop button customization
Read full descriptionHide full description
Features of Patterns Calc Pro ◉ One-handed mode ◉ Change the color automatically ◉ Share your screenshot easily ◉ Many beautiful patterns ◉ Large, easy-to-read numbers ◉ Easy to press buttons ◉ Easy "memo" function ◉ Drag and drop the "memo" button for easy calculation. ◉ Drag and drop the "%" button to easily change the value to include tax. ◉ Switch between "+", "-", "×", "÷" as many times as you like even if you make a mistake ◉ Swipe right to correct. ◉ Swipe left to correct the corrected a single number. ◉ You can change the color of the buttons. ◉ Change button color from black ⇄ white. ◉ iPad compatible! What you can't do The calculation method is not a "formula" method. The calculation method is not an "equation" method. The calculation is done in order, so「 x, ÷」 is not calculated first until you press "=" exsample is ( 10 + 20) × 3 = 90. Maximum numbers will be performed up to 9,999,999,999 or -9,999,999,999 to damage the screen design For those who are not like at patterns, we have created a calculator called Newmo Calc,It's a simple colorful calculator so please use that. More info ◉ satomic apps web site https://satomic.net ◉ satomic twitter twitter https://twitter.com/satomic13
Screenshots
Verdict
The clearest difference is review sentiment: Patterns Calc Pro at 100% against IRIS SmartLF's 19%. Patterns Calc Pro also leads on update cadence (every 2 months vs every 13 months). IRIS SmartLF's advantage is price (Free vs $12.99). On ads, 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
IRIS SmartLF is free to download; Patterns Calc Pro costs $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.
IRIS SmartLF ships an update every 13 months, Patterns Calc Pro every 2 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.
| Parameter | IRIS SmartLF | Patterns Calc Pro |
|---|---|---|
| Price | Free — better | $12.99 |
| Rating | 3.8 (5 ratings) — better | — |
| Positive reviews | 18.9% of reviews | 100.0% of reviews — better |
| Number of ratings | 5 — better | — |
| Update frequency | Every 13 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 166 MB | 105 MB |
| Age rating | 17+ | 4+ |
| Developer | IRIS OHYAMA INC. | Hikaru Satomi |
Customer experience
IRIS SmartLF
Patterns Calc Pro
In-app purchases
IRIS SmartLF
No in-app purchases
Patterns Calc Pro
No in-app purchases
Questions
Is IRIS SmartLF free?
Is Patterns Calc Pro free?
Do IRIS SmartLF or Patterns Calc Pro have ads?
Which is updated more often, IRIS SmartLF or Patterns Calc Pro?
Other comparisons
