Rachio vs C3 Tech Summit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Rachio
This app allows you to control your sprinkler system remotely, creating custom watering schedules. It helps save water and money by optimizing irrigation based on weather and yard needs. Access your system from anywhere for convenient lawn care.
- Automated watering schedules
- Remote sprinkler control
- Water and money saving
- Weather-based adjustments
- Smart home integration
- Mobile app access
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The Rachio Smart Sprinkler Controller changes the way you water. It makes running your sprinklers easy and convenient while saving you water and money. Rachio automatically creates a watering schedule that lowers your water bill and ensures the beautiful yard you want, while the mobile app gives you access to your sprinkler system from anywhere. Plus, Rachio is compatible with nearly any sized yard and smart home platform. This is the companion app to the industry-leading Rachio Smart Sprinkler Controller.
C3 Tech Summit
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Application for events hosted by C3 Tech Summit. Features: the app gives attendees access to the event agenda, important information, event FAQs, attendee networking, and much more!
Screenshots
Verdict
The clearest difference is in-app purchases: C3 Tech Summit at none against Rachio's 5. C3 Tech Summit also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement 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. Rachio sells 5 one-off in-app purchases. C3 Tech Summit asks for nothing beyond the download.
Rachio ships an update every 3 weeks, C3 Tech Summit fortnightly. The most recent releases landed on October 22, 2026 and October 10, 2026 respectively.
| Parameter | Rachio | C3 Tech Summit |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (159K ratings) — better | — |
| Positive reviews | 57.4% of reviews | — |
| Number of ratings | 159K — better | — |
| Update frequency | Every 3 weeks | Fortnightly — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 163 MB | 244 MB |
| Age rating | 4+ | 4+ |
| Developer | RACHIO, INC. | Accelevents |
Bugs and requests
Rachio
Reported bugs
4 issues- Zones running at unexpected times
- Schedules not working as programmed
- App crashing during setup and use
- Syncing issues between app and controller
Requested features
4 requests- Ability to skip multiple upcoming watering cycles
- Customizable notifications for low battery and offline status
- Better integration with smart home platforms like HomeKit
- More granular control over watering schedules and durations
C3 Tech Summit
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Rachio
- Tempest Integration$29.99
- AirLink Integration$29.99
- Heat Wave Boost$29.99
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- Wire Status$29.99
- Valve & Heat Monitoring Bundle$49.99
C3 Tech Summit
No in-app purchases
