Open Planner vs 818
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Open Planner
This AI-powered app simplifies school scheduling by automatically generating your calendar from uploaded syllabi. Enjoy unlimited uploads, website and mobile access, and real-time notifications. A subscription is required after the initial free uploads.
- AI-powered calendar creation
- Syllabus upload
- Unlimited syllabus uploads
- Real-time notifications
- Full website access
- Full mobile app access
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School scheduling made easy. Open Planner uses AI to create your calendar in minutes - just upload your syllabus! With Open Planner, you’ll enjoy: * Unlimited syllabus uploads * Full website access * Full mobile application access * Real-time notifications Open Planner is free for 3 syllabus uploads, then requires a subscription. We offer flexible auto-renewable subscription plans, including monthly, 6-month, and yearly options. Privacy Policy: https://open-planner.com/privacy-policy/ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
818
This app provides voice-activated reminders that call you to ensure you never miss important tasks. It aims to reduce stress by making reminders impossible to ignore, allowing you to live in the moment.
- Voice call reminders
- AI-powered to-do list
- Weekly subscription plan
- Cancel anytime
- No long-term contracts
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Ever just forgotten to pay rent? Call your mom back? Reply to that one important email? Or turn in an essay just in time? Meet 818 - the reminder app that calls you. Literally. So can stop worrying about what you’re forgetting and start living in the moment again (feature requires 818 Weekly Plan subscription). 818 (through the 818 Weekly Plan subscription) uses real voice calls to make your reminders impossible to ignore - and kinda charming!. No annoying buzzes. No judgment. Just you and your voice-powered to-do list. 818 (through the 818 Weekly Plan) is a week-to-week subscription (subscription required) that begins at sign-up. You can cancel anytime, online, 24 hours a day. No long-term contracts or cancellation fees - just effortless AI-reminders you’ll love.
Screenshots
Verdict
The clearest difference is review sentiment: Open Planner at 100% against 818's 50%. Open Planner also leads on rating (5.0 vs 3.0) and monetization model (free with in-app purchases vs subscription). On price, update cadence, ads and in-app purchases 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. Open Planner sells 3 in-app purchases, starting at $3.99 per month and 818 sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Open Planner holds the better App Store score, 5.0 against 3.0. That said, the two scores are not equally well evidenced: Open Planner has 11 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of Open Planner's written reviews are positive against 50% of 818's.
Open Planner ships an update every 10 days, 818 weekly. The most recent releases landed on September 24, 2026 and October 7, 2026 respectively.
| Parameter | Open Planner | 818 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (11 ratings) — better | 3.0 (2 ratings) |
| Positive reviews | 100.0% of reviews — better | 50.0% of reviews |
| Number of ratings | 11 — better | 2 |
| Update frequency | Every 10 days | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases — better | Subscription |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 18.5 | 17.6 — better |
| Further details — not scored | ||
| Size | 3 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | OPEN PLANNER LLC | Octo Computer |
Customer experience
Open Planner
818
In-app purchases
Open Planner
- Open Planner Monthly$3.991 Month
- Open Planner 6-Month$14.996 Months
- Open Planner Yearly$23.991 Year
818
- Weekly Plan$4.997 Days
- Monthly Plan3 Days trial$14.991 Month
