SLT vs CalPal
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SLT
Book and manage fitness classes directly from your phone. View studio schedules, purchase class packages, and access your account information. Stay connected with the studio through social media links.
- Book classes
- View studio schedules
- Purchase class packages
- Manage account
- View reservations
- Find studio locations
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This is the official App for SLT NYC. With this App, you can find and book your SLT classes, view studio locations and schedules, buy and book your classes, as well view your existing reservations and manage your account. Find us on Instagram at @sltnyc and check out our site at sltnyc.com.
CalPal
Effortlessly track your nutrition by simply taking a photo of your meal. Get instant macro estimates and clear insights to guide your health journey without tedious logging.
- Instant macro estimates via photo scanning
- Intuitive interface for daily tracking
- Real-time progress visualization
- Simplified nutrition logging
- Goal-oriented health insights
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Track Your Nutrition with Photo-Powered Simplicity Transform your health journey without the complexity. CalPal brings you a seamless way to track your nutrition and reach your goals. Simply snap a photo of your meal and instantly see your macros—no tedious logging, no confusion, just clear insights to guide your choices. FEATURES: - Instant macro estimates with photo scanning - Clean, intuitive interface for easy daily tracking - Real-time progress visualization CalPal combines innovative technology with an easy-to-use interface to revolutionize nutrition tracking. Take the guesswork out of healthy eating and make informed decisions with every meal. Perfect for: - Fitness enthusiasts - Health-conscious individuals - Busy professionals - Anyone looking to optimize their nutrition Ready to maximize your health without the hassle? Your path to better nutrition starts here. Download CalPal today and join thousands who've discovered how simple staying healthy can be. *Note*: CalPal provides estimated nutritional information for general reference purposes only. It is not intended as a substitute for professional medical advice, diagnosis, or treatment. Analysis features require a subscription Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: SLT at none against CalPal's 3. SLT also leads on ratings volume (3.3K vs 7). CalPal's advantage is review sentiment (100% vs 71%) and update cadence (every 6 days vs every 4 weeks). On price, rating 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. CalPal sells 3 in-app purchases, starting at $1.99 per month. SLT asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for SLT against 5.0 for CalPal. That said, the two scores are not equally well evidenced: SLT has 3.3K ratings behind it against 7, so its average is the more settled of the two. Written reviews are what separate them: 71% of SLT's written reviews are positive against 100% of CalPal's.
SLT ships an update every 4 weeks, CalPal every 6 days. The most recent releases landed on October 20, 2026 and October 6, 2026 respectively.
| Parameter | SLT | CalPal |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3.3K ratings) | 5.0 (7 ratings) |
| Positive reviews | 71.4% of reviews | 100.0% of reviews — better |
| Number of ratings | 3.3K — better | 7 |
| Update frequency | Every 4 weeks | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Freemium |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 13.4 — better |
| Further details — not scored | ||
| Size | 38 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | Mariana Tek Corporation | Nikola Uzelac |
Customer experience
SLT
CalPal
In-app purchases
SLT
No in-app purchases
CalPal
- Monthly Membership$1.991 Month
- Yearly Membership$19.991 Year
- CalPal Day Pass$0.99
