Sandflash vs QalbCalm
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sandflash
This app provides a straightforward digital flashcard experience for studying and memorization. It aims to replicate the simplicity of traditional flashcards for educational purposes.
- Digital flashcard creation
- Study and memorization tool
- Simple user interface
- Free to use
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A free and simple vibe coded flashcard app for learning purposes. Sandflash's goal is to mimic basic flashcards used for studying or memorization.
QalbCalm
This app offers a spiritual wellness experience for Muslims, integrating Quran reading with guided meditation sessions. Track your progress, earn spiritual rewards, and enjoy a distraction-free interface designed for inner peace.
- Complete Quran reading with Arabic text
- Auto-save reading progress
- Track reading journey across Surahs
- Listen to Qari recitations
- Islamic-themed guided meditation sessions
- Earn spiritual rewards (hasanat)
- Offline Quran reading
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QalbCalm is your companion for spiritual wellness, combining the beauty of Quran reading with calming meditation sessions designed for Muslims. QURAN READING - Read the complete Quran with beautiful Arabic text - Auto-save progress as you read each ayah - Track your reading journey across all 114 Surahs - Listen to recitations from renowned Qaris - Card view for focused reading or list view for browsing GUIDED MEDITATION - Islamic-themed meditation sessions - Calm your mind with peaceful audio and visuals - Sessions designed for Muslim mindfulness - Build a consistent meditation habit TRACK YOUR PROGRESS - Earn hasanat (spiritual rewards) for each ayah you read - View your daily, weekly, and monthly progress - Set and achieve spiritual goals - Watch your consistency grow over time FEATURES - Beautiful, distraction-free interface - Works offline for Quran reading - Dark theme for comfortable reading - Progress synced across devices Begin your journey to inner peace. Download QalbCalm and nurture your soul with daily Quran reading and meditation. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdfla/
Screenshots
Verdict
The clearest difference is in-app purchases: Sandflash at none against QalbCalm's 2. QalbCalm's advantage is update cadence (every 8 days vs monthly). On price, rating, ratings volume 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. QalbCalm sells 2 in-app purchases, starting at $7.99 per month. Sandflash asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for Sandflash against 5.0 for QalbCalm. Both are backed by a comparable volume of ratings — 3 and 5 respectively.
Sandflash ships an update monthly, QalbCalm every 8 days. The most recent releases landed on October 14, 2026 and October 13, 2026 respectively.
| Parameter | Sandflash | QalbCalm |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) | 5.0 (5 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 3 | 5 — better |
| Update frequency | Monthly | Every 8 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 2 MB | 105 MB |
| Age rating | 4+ | 4+ |
| Developer | Joshua Smith | QALBCALM LLC |
Customer experience
Sandflash
QalbCalm
In-app purchases
Sandflash
No in-app purchases
QalbCalm
- Monthly Premium$7.991 Month
- Yearly Premium$84.991 Year
