18 grams vs CarbPal
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
18 grams
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The app calculates the snack serving for the desired amount of carbohydrates based on the product's barcode.
CarbPal
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CarbPal is a simple carb-counting and meal logging app designed for families managing Type 1 Diabetes. CARB COUNTING • Record total carbohydrates for meals and snacks • Combine multiple foods into one saved meal • Save serving descriptions and carb values • Organize meals by breakfast, lunch, dinner, or snack SAVED MEALS • Quickly reuse familiar family meals • Mark favorite meals for easier access • Edit foods, servings, and carb totals • Store carb-ratio information as a reference MEAL HISTORY • Review previous meal logs by date • Record notes and optional insulin amounts manually • Export meal history to CSV • Delete individual history entries PROFILE AND SAFETY • Maintain caregiver-entered carb-ratio references • Configure time-of-day references • Protect access using an optional PIN or Face ID • Keep treatment decisions separate from carb counting CarbPal does not calculate, recommend, suggest, or prescribe insulin doses. Any insulin amount recorded in CarbPal is manually entered by the user for personal logging only. CarbPal is not medical advice. Always follow your diabetes care plan and consult your healthcare provider before making treatment decisions. A CarbPal Basic monthly subscription is required to access carb logging, saved meals, meal history, exports, and profile settings. Payment is charged to your Apple ID. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current subscription period. Subscriptions can be managed or canceled through your Apple account settings. Terms of Use (EULA): https://carbpal.app/terms.html Privacy Policy: https://carbpal.app/privacy.html
Screenshots
Verdict
The clearest difference is in-app purchases: 18 grams at none against CarbPal's 1. 18 grams also leads on iOS requirement (12.0 vs 16.4). On price, update cadence, ads 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
Both are free to download. CarbPal sells 1 in-app purchase, starting at $0.99 per month. 18 grams asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 16, 2026 and October 25, 2026 respectively.
| Parameter | 18 grams | CarbPal |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 47 MB | 47 MB |
| Age rating | 12+ | 4+ |
| Developer | Aurelie Jeunejean | ALEX MICHAEL HERNANDEZ |
In-app purchases
18 grams
No in-app purchases
CarbPal
- CarbPal Basic$0.991 Month









