PepCal vs Simple Tracker App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PepCal
This ad-free tool assists scientists and researchers with peptide reconstitution and mixing. It provides guidelines for calculating water requirements and exploring mixing ratios for peptide sequences. The app features an intuitive interface, dark mode, and the ability to save favorite calculations.
- Peptide reconstitution calculations
- Mixing ratio exploration
- Bacteriostatic water calculations
- Intuitive user interface
- Dark mode support
- Save favorite calculations
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Pep Cal: Peptide Calculator is an ad-free tool exclusively for scientists, researchers and other enthusiasts providing them with peptide reconstitution and mixing guidelines. The app is not meant for use by medical professionals. Peptide Calculator Features: 1) Reconstitution: Estimate approximately how much water is required for your peptides 2) Mixing Ratios: Explore possible mixing ratios for different sequences 3) Bacteriostatic Water: Use the bacteriostatic water calculations for your mi 4) Easy navigation: Intuitive user interface to navigate easily across the different features 5) Dark mode: Utilize dark mode to access the app at any time as per your convenience 6) Save your favorite calculations 7) Ads free: No ads to enhance your user experience 8) Put decimal numbers in for all values Disclaimer: Peptide Calculator is intended only for educational and laboratory purposes. It is not meant to be used by medical professionals and is not a medical guide or tool. Please consult with your local professional and follow your local regulations and guidelines.
Simple Tracker App
Easily track any value with a simple tap interface. Customize pages with names and colors, and set daily resets for automatic tracking. Ideal for monitoring habits, goals, or daily intake.
- Tap to add values
- Swipe down to subtract
- Customizable page names and colors
- Adjustable increment amount
- Automatic daily reset option
- Intuitive and easy to use
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Simple Tracker is designed to be the FASTEST and EASIEST way to track any value. Just tap anywhere on the screen to add. It's really that simple. Calories, goals made, times you did a good habit, allowance money, cups of water, grams of protein, the possibilities are endless! Additional features include: - Swipe down to subtract - Give each page it's own color and name - Change the increment amount and value you are are currently on in settings - Option to automatically reset a page's value to 0 daily (for things like calories/protein) With an extreme focus on being intuitive and easy to use, simple tracker is the best app for all your tracking needs. If you have any questions or feedback we would love to hear from you at freestyle.feedback@gmail.com. Thank you for considering Simple Tracker. Have a great day! :)
Screenshots
Verdict
The clearest difference is rating: Simple Tracker App at 5.0 against PepCal's 4.3. Simple Tracker App also leads on price ($0.59 vs $2.99). PepCal's advantage is ratings volume (36 vs 1) and chart position (#195 vs unranked). On update cadence, ads, in-app purchases and device support 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
PepCal costs $2.99 and Simple Tracker App $0.59 up front. Neither carries in-app purchases, so what you see is what you pay.
Simple Tracker App holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: PepCal has 36 ratings behind it against 1, so its average is the more settled of the two.
PepCal ships an update every 6 weeks, Simple Tracker App every 2 months. Both last shipped on October 20, 2026.
| Parameter | PepCal | Simple Tracker App |
|---|---|---|
| Price | $2.99 | $0.59 — better |
| Rating | 4.3 (36 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 79.2% of reviews | — |
| Number of ratings | 36 — better | 1 |
| Update frequency | Every 6 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Best chart rank | #195 — better | — |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 7 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | A & A Design Inc. | Rohan Sachdeva |
Customer experience
PepCal
Simple Tracker App
In-app purchases
PepCal
No in-app purchases
Simple Tracker App
No in-app purchases
