Lights App vs Yarn Math
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Lights App
Control your home lighting with this app. Personalize light sets, create groups for simultaneous control, and utilize timer functions for automated operation. Choose from eight distinct controller functions and adjust brightness.
- Personalize light sets with custom names and pictures
- Control multiple light sets simultaneously with groups
- Three timer functions for automated lighting schedules
- Eight controller functions (e.g., Stay on, Twinkling, Fade away)
- Adjustable dimming for light sets
- Supports 7 languages
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- - 7 languages can be selected (Dutch, German, English, French, Italian, Spanish and Polish) - - Light sets can be personalized by creating your own name and picture - - Multiple light sets can be controlled simultaneously by creating groups - - The App has three timer functions, to let the lights operate at different times - - The App has 8 controller function (Stay on, Fast twinkling, Twinkling in phase, Fade away, Fade away in phase, Phasing, Wave and combination) - - Light set can be dimmed
Yarn Math
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Want to use a different yarn for your pattern? Make the project your own, use yarn from your stash, or compare a cheaper alternative. Yarn Math helps you check the thickness match and estimate how much you’ll need. • Compare length and weight per skein. • Find which number of strands gives the closest thickness match. • Estimate how much yarn your project needs and how many skeins to buy. • Account for yarn you already have. • Compare two yarns held together with one yarn, in either direction. • Convert to meters per 50 g or yards per 1.8 oz. • Save calculations on your device. Add yarn names and prices to track costs and potential savings. • Choose your language and measurement units in Settings. Results are estimates based on the information you enter. Knit a gauge swatch before starting your project. A subscription is required to use the calculators. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://yarn-match-calculator.replit.app/privacy-policy
Screenshots
Verdict
The clearest difference is in-app purchases: Lights App at none against Yarn Math's 1. Lights App also leads on device support (3 vs 1) and iOS requirement (11.0 vs 16.4). 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
Both are free to download. Yarn Math sells 1 in-app purchase, starting at $0.99 per month. Lights App asks for nothing beyond the download.
| Parameter | Lights App | Yarn Math |
|---|---|---|
| Price | Free | Free |
| Rating | 1.7 (13 ratings) — better | — |
| Positive reviews | 19.1% of reviews | — |
| Number of ratings | 13 — better | — |
| Update frequency | Every 6 weeks | — |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 11.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 99 MB | 58 MB |
| Age rating | 4+ | 4+ |
| Developer | Lights App | VICTORIA GRYMYR JENSERUD |
In-app purchases
Lights App
No in-app purchases
Yarn Math
- Yarn Math3 Days trial$0.991 Month









