Cornerstone Apartment Services vs SÆR
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cornerstone Apartment Services
Manage your apartment living with ease. Pay rent securely, submit and track maintenance requests, and handle lease renewals all from your mobile device. This platform streamlines community living for residents.
- Secure rent payments
- Submit maintenance requests
- Track work orders
- Sign lease renewals
- Set up auto-pay
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Welcome to the Cornerstone Apartment Services Resident Portal App -- an innovative platform that makes paying rent and submitting maintenance requests at your community easier than ever before. With the Cornerstone App, residents can: • Pay Rent: Make secure payments over the RENTCafe portal from any place, at any time -- no desktop needed. Residents can set up multiple payment methods with the option to submit a one-time payment or set up auto-pay. • Submit Maintenance Requests: Expedite work orders at the tips of your fingers and track the entire process. The seamless work order portal allows for timely fixes for non-emergencies, and will notify residents once the maintenance technician has completed the job,or if the issue requires immediate follow-up. • Sign Lease Renewals: Efficiently handle lease renewals in the app. The entire lease renewal process can be done completely within the app. The Cornerstone Apartment Services Resident Portal App was designed specifically for all Cornerstone communities and is serviced by RENTCafe. Please reach out to Cornerstone directly if you have any questions or issues about app features and functionality.
SÆR
This AI companion analyzes your written thoughts to identify patterns and subtle changes, offering insights directly on your device. It provides a private space for reflection and support without any cloud processing or tracking.
- On-device AI processing
- Pattern and shift detection
- Private writing analysis
- No accounts or tracking
- Personalized reflections
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A private AI companion that listens through your writing and reflects back what matters — spotting patterns and quiet shifts, all on your device. It reads what you share and responds with reflections that notice patterns, sense quiet shifts, and uncover what may be unfolding beneath the surface. Simple, intelligent, and always on your side. Everything runs locally on your device, powered by an on-device LLM. No accounts. No tracking. No cloud processing. Just a private space to feel seen, heard, and supported — one day at a time.
Screenshots
Verdict
The clearest difference is rating: SÆR at 5.0 against Cornerstone Apartment Services's 4.3. SÆR also leads on update cadence (every 6 weeks vs every 10 months). Cornerstone Apartment Services's advantage is ratings volume (760 vs 2) and iOS requirement (12.0 vs 17.6). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.
SÆR holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Cornerstone Apartment Services has 760 ratings behind it against 2, so its average is the more settled of the two.
Cornerstone Apartment Services ships an update every 10 months, SÆR every 6 weeks. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.
| Parameter | Cornerstone Apartment Services | SÆR |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (760 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 52.1% of reviews | — |
| Number of ratings | 760 — better | 2 |
| Update frequency | Every 10 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 57 MB | 369 MB |
| Age rating | 4+ | 4+ |
| Developer | Yardi Systems, Inc. | SUNLOFT STUDIO LLC |
Customer experience
Cornerstone Apartment Services
SÆR
Bugs and requests
Cornerstone Apartment Services
Reported bugs
4 issues- Check scan feature not working
- Rent payment issues and discrepancies
- Maintenance requests not being addressed
- App crashes and freezes
Requested features
4 requests- Ability to upload documents
- More comprehensive maintenance options
- Improved community engagement features
- Integration with building access systems
SÆR
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Cornerstone Apartment Services
No in-app purchases
SÆR
No in-app purchases
Questions
Is Cornerstone Apartment Services free?
Is SÆR free?
Which has better reviews, Cornerstone Apartment Services or SÆR?
Do Cornerstone Apartment Services or SÆR have ads?
Which is updated more often, Cornerstone Apartment Services or SÆR?
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