Know Notes vs Simpler Times Wallpapers
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Know Notes
Develop your musical ear by learning to identify notes and chords by sound. This gamified app makes practicing fun and competitive, allowing you to progress from basic notes to sharps and flats.
- Ear training
- Note recognition
- Chord recognition
- Gamified learning
- Progressive difficulty
- Natural notes, sharps, and flats
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Train Ears, Master Music. Learn to recognize musical notes and chords by their unique sound. Gamified to make learning fun and competitive. Start small, then work your way up to learn every natural note and their sharp/flat.
Simpler Times Wallpapers
Transform your iPhone lock screen into a retro iPod with a variety of classic models and colors. Customize your wallpaper with over 200 retro stickers to match your personal style.
- Classic iPod models for iPhone lock screen
- 15 iPod models and colors
- Over 200 retro stickers
- Customizable wallpaper creation
- Nostalgic aesthetic
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Immerse yourself in nostalgia with beautifully crafted wallpapers for your iPhone. - Turn your iPhone lock screen into your favorite iPod - from the OG to the Classic, every iPod from 2001 to 2007, and more coming soon. - With 15 iPods models and colors to choose from and over 200 retro stickers, create the perfect wallpaper to match your personal aesthetic. Get the app now and let the magic begin!
Screenshots
Verdict
The clearest difference is review sentiment: Know Notes at 96% against Simpler Times Wallpapers's 0%. Simpler Times Wallpapers's advantage is in-app purchases (none vs 6) and update cadence (every 4 days vs fortnightly). On price, ads, 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
Both are free to download. Know Notes sells 6 one-off in-app purchases. Simpler Times Wallpapers asks for nothing beyond the download.
Know Notes ships an update fortnightly, Simpler Times Wallpapers every 4 days. The most recent releases landed on September 21, 2026 and July 6, 2026 respectively.
| Parameter | Know Notes | Simpler Times Wallpapers |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (32 ratings) — better | — |
| Positive reviews | 95.7% of reviews — better | 0.0% of reviews |
| Number of ratings | 32 — better | — |
| Update frequency | Fortnightly | Every 4 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone | iPhone |
| Requires iOS | 16.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 107 MB | 49 MB |
| Age rating | 4+ | 4+ |
| Developer | wylan neely | Signworth |
Customer experience
Know Notes
Simpler Times Wallpapers
In-app purchases
Know Notes
- Violin Notes$0.99
- Electronic Keyboard Notes$0.99
- Grand Piano Notes$0.99
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- Unlock Violin Instrument$2.99
- Acoustic Guitar (Major Chords)$2.99
- Unlock Acoustic Guitar$3.99
Simpler Times Wallpapers
No in-app purchases
Questions
Is Know Notes free?
Is Simpler Times Wallpapers free?
Do Know Notes or Simpler Times Wallpapers have ads?
Which is updated more often, Know Notes or Simpler Times Wallpapers?
Other comparisons
