Lets Grow vs Promiso
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Lets Grow
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We make feedback quick, engaging, and even fun to give. Create a survey, share a link, collect responses, and turn them into insights that help you improve. FEATURES Tailor your questions to capture what really matters. Create and customize sessions that match your goals. Choose from multiple feedback types: Emoji, 0β10 scale, Opinion, Comment, or Thumbs. Invite participants easily with a PIN or shared link. Visualize results clearly with clean, intuitive charts. Turn large amounts of feedback into clarity. Your feedback on the app truly shapes what comes next. If you have ideas, requests, or run into any issues, I would love to hear from you: nicolaidam@gmail.com
Promiso
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Promiso helps you keep your promises and build trust with the people who matter most. Make a promise, track your commitment, and watch your reliability grow. Whether it's a promise to yourself or someone you love, Promiso keeps you accountable with gentle reminders and progress tracking. KEY FEATURES - Create & Track Promises Set promises with deadlines, categories, and priorities. Never forget a commitment again. - Build Your Trust Score Complete promises to increase your trust score and show others (and yourself) that you're someone who keeps their word. - Gamified Progress Earn XP, level up, and unlock achievements as you fulfill your promises. Stay motivated with streaks and milestones. - Smart Reminders Get timely notifications so you never miss a deadline. - Beautiful Statistics View your promise history, completion rates, and relationship insights with detailed stats. - Privacy First All your data stays on your device. Your promises are yours alone. PREMIUM FEATURES - Unlimited promises - Ad-free experience - Advanced statistics - Priority support Start keeping your promises today. Download Promiso and become someone people can count on. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://github.com/gokhanhepsen/promiso/blob/main/PRIVACY_POLICY_EN.md
Screenshots
Verdict
The clearest difference is in-app purchases: Lets Grow at none against Promiso's 3. Lets Grow also leads on ads (none vs shown). Promiso's advantage is iOS requirement (15.1 vs 26.0). On price, update cadence and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Promiso sells 3 in-app purchases, starting at $3.99 per month. Lets Grow asks for nothing beyond the download.
Lets Grow ships an update fortnightly, Promiso every 11 days. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.
| Parameter | Lets Grow | Promiso |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly | Every 11 days β better |
| Ads | No β better | Yes |
| In-app purchases | No β better | Yes |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 26.0 | 15.1 β better |
| Further details β not scored | ||
| Size | 20 MB | 46 MB |
| Age rating | 4+ | 4+ |
| Developer | Nicolai Dam | GOKHAN HEPSEN |
In-app purchases
Lets Grow
No in-app purchases
Promiso
- Premium Monthly$3.991 Month
- Premium Yearly$24.991 Year
- Lifetime Premium$29.99









