Riff vs MD Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Riff
Easily create custom stickers from your photos by removing backgrounds. Use them in digital journaling apps or share them across various messaging platforms. Designed for iOS 17.
- Create stickers from photos
- Remove backgrounds from objects
- Use stickers in digital journaling
- Share stickers across messaging apps
- Designed for iOS 17
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With Riff, you can: - Create stickers from your own photos - Remove backgrounds from objects to create unique stickers - Use stickers in digital journaling on Goodnotes - Download Riff today and start creating! Meet Riff, your new favorite sticker generating app, designed exclusively for iOS 17. With Riff, you can create and share stickers like never before. On your iPad, Riff integrates seamlessly with Goodnotes for digital journaling, allowing you to personalize your notes with unique stickers. On your iPhone, Riff lets you generate stickers directly from your Photos. But that's not all. Riff stickers can be used across various messaging platforms. Whether you're chatting on iMessage, Snapchat, WhatsApp, or any other messenger app, Riff stickers are there to add a touch of creativity and fun to your conversations.
MD Calculator
Perform calculations directly from your Home Screen using interactive widgets. Customize your experience with a variety of themes, including nostalgic skeuomorphic designs.
- Home Screen Calculator Widget
- iOS 17 Interactive Widget Technology
- Customizable Themes
- Skeuomorphic Themes
- On-the-go Computations
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Introducing MD Calculator Widget - a beautifully crafted calculator widget for on-the-go computations. Leverage the power of iOS 17's latest Interactive Widget technology, allowing for seamless calculations directly from your Home Screen. Tailor your experience with our rich selection of customizable themes, catering to your unique style and preference. Dive into our meticulously designed skeuomorphic themes and relish the nostalgic feel of a physical calculator right on your device.
Screenshots
Verdict
The clearest difference is rating: MD Calculator at 4.5 against Riff's 2.0. MD Calculator also leads on review sentiment (60% vs 21%) and ratings volume (79 vs 1). On price, update cadence, ads and in-app purchases 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. Riff sells 5 in-app purchases, starting at $0.99 per month and MD Calculator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
MD Calculator holds the better App Store score, 4.5 against 2.0. That said, the two scores are not equally well evidenced: MD Calculator has 79 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 21% of Riff's written reviews are positive against 60% of MD Calculator's.
Riff ships an update every 3 weeks, MD Calculator fortnightly. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.
| Parameter | Riff | MD Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (1 ratings) | 4.5 (79 ratings) — better |
| Positive reviews | 21.4% of reviews | 59.6% of reviews — better |
| Number of ratings | 1 | 79 — better |
| Update frequency | Every 3 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, Vision Pro — better |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 6 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Hongmin Park | MD Studio |
Customer experience
Riff
MD Calculator
In-app purchases
Riff
- Unlimited access$0.991 Month
- 20+ heart sticker$0.99
- 20 grocery stickers$0.99
- 20 stuffed toy stickers$0.99
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- 20 office stickers$0.99
MD Calculator
- MD Calculator Premium$0.99
