Sincerely vs Praying Mantis
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sincerely
An anonymous platform to share your thoughts and feelings through written letters. Connect with a supportive community, receive caring responses, and find solace in a judgment-free space. Features include a mood tracker, AI chat support, and the ability to uplift others.
- Write anonymous letters
- Receive community responses
- Offer support to others
- Send virtual hugs
- Mood tracker
- AI chat support
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Need to unburden your soul? Feeling lost and looking for support? Sincerely is your anonymous haven to share, connect, and heal. Write your heart out in heartfelt letters, and receive caring responses from a supportive community. You're never alone. Connect with others who understand. Find solace and offer guidance in a judgment-free space. Why You'll Love It: • Write letters to get things off your chest. • Receive 3 letters every night at 8pm. • Respond to strangers and offer support. • Send virtual hugs to uplift others. • Track your impact with helpful data streaks. • Make friends and continue conversations. • Monitor your emotional well-being with a mood tracker and calendar. • Get instant support and answers from our AI chat. Ready to find your safe space? Download Sincerely today. Terms of Service: https://sincerelyapp.notion.site/Sincerely-Terms-of-Service-v04-01-2024-de28f29dc48e44a1b9bcf5e179541ccf Privacy Policy: https://sincerelyapp.notion.site/Sincerely-Privacy-Policy-v02-26-2024-d79628c1700d4d069e7d301671f88189
Praying Mantis
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Praying Mantis helps you organize your prayer requests, stay consistent in prayer, and focus on one conversation with God at a time. Whether you're praying for your family, friends, church, work, or personal needs, Praying Mantis makes it easy to create prayer lists that fit your life and guide you through them each day.
Screenshots
Verdict
The clearest difference is in-app purchases: Praying Mantis at none against Sincerely's 25. Sincerely's advantage is chart position (#92 vs unranked). 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. Sincerely sells 19 in-app purchases, starting at $4.99 per month. Praying Mantis asks for nothing beyond the download.
Sincerely ships an update every 2 weeks, Praying Mantis every 10 days. The most recent releases landed on October 30, 2026 and October 20, 2026 respectively.
| Parameter | Sincerely | Praying Mantis |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (36K ratings) — better | — |
| Positive reviews | 39.9% of reviews | — |
| Number of ratings | 36K — better | — |
| Update frequency | Every 2 weeks | Every 10 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Best chart rank | #92 — better | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.6 | 16.4 — better |
| Further details — not scored | ||
| Size | 143 MB | 54 MB |
| Age rating | 17+ | 4+ |
| Developer | MWM | Christian Strydom |
Bugs and requests
Sincerely
Reported bugs
3 issues- Issues with account creation and login
- Inconsistent behavior when switching between app pages
- Reported messages not being properly removed
Requested features
5 requests- Ability to write more than one letter per day
- Option to receive more letters per day
- Ability to view and respond to past conversations
- In-app chat feature for immediate support
- Customizable notification settings
Praying Mantis
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Sincerely
- Sincerely Club Monthly2 variants$4.991 Month
- Sincerely - Premium3 Days trial$4.997 Days
- Sincerely Club Monthly2 variants$5.991 Month
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- Sincerely Club Weekly1 Month trial$7.997 Days
- Sincerely - Premium3 Days trial2 variants$7.997 Days
- Sincerely - Premium$7.997 Days
- Sincerely Club Monthly$9.991 Month
- Sincerely Club Annual2 variants$29.991 Year
- Premium Pass1 Month trial$29.991 Year
- Sincerely Club Annual3 Days trial$29.991 Year
- Sincerely Club Annual3 Days trial$34.991 Year
- Annual Premium Plan3 Days trial$39.991 Year
- Sincerely Club Annual$39.991 Year
- Sincerely - Premium3 Days trial$49.991 Month
- Sincerely - Premium$49.991 Month
- Sincerely Club Annual3 Days trial$59.991 Year
- Premium1 Month trial$69.991 Year
- Sincerely Club Annual$89.991 Year
- Premium Pass3 Days trial$99.991 Year
Praying Mantis
No in-app purchases
