MileagePlus X vs 21 E Chestnut
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MileagePlus X
Earn United MileagePlus award miles on everyday purchases. Discover nearby merchants, buy eGift cards, and browse curated deals. Track your miles as they post directly to your account with a refreshed, intuitive design.
- Earn award miles on purchases
- Discover nearby merchants
- Buy eGift cards
- Browse curated deals
- Track miles earned
- Intuitive design
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The new and improved MileagePlus X app is here, redesigned to make earning United® MileagePlus® award miles easier and smoother than ever. Explore a refreshed experience that brings shopping, dining and offers together in one place. Discover nearby merchants, buy eGift cards or browse curated deals to earn miles on everyday purchases. See earn rates before you shop, track your miles as they post directly to your MileagePlus® account and enjoy a cleaner, more intuitive design that puts your rewards front and center. Whether you’re grabbing coffee, shopping online or dining out, the new MileagePlus X app makes every purchase more rewarding.
21 E Chestnut
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Welcome to elevated living in the palm of your hand! This new, cutting-edge platform provides 21 E Chestnut residents with high-tech convenience at the touch of their fingertips. Download the app to: • Access the payment portal • Submit maintenance requests 24/7 and receive status updates • Receive important updates & communication from the community manager • Meet your neighbors through resident interest groups • Participate in our hotel style concierge services program • Reserve amenity spaces within the property • Sign up for building events & fitness classes • Get rewards and discounts to local stores & restaurants • Manage your visitors and send virtual keys • Access all of your digital keys from a single device
Screenshots
Verdict
The clearest difference is update cadence: MileagePlus X at monthly against 21 E Chestnut's every 6 months. 21 E Chestnut's advantage is iOS requirement (15.1 vs 18.2). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
MileagePlus X ships an update monthly, 21 E Chestnut every 6 months. The most recent releases landed on October 16, 2026 and October 14, 2026 respectively.
| Parameter | MileagePlus X | 21 E Chestnut |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (21K ratings) — better | — |
| Positive reviews | 21.8% of reviews | — |
| Number of ratings | 21K — better | — |
| Update frequency | Monthly — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 18.2 | 15.1 — better |
| Further details — not scored | ||
| Size | 58 MB | 193 MB |
| Age rating | 17+ | 17+ |
| Developer | UAL | Elevated Lifestyles Inc |
Bugs and requests
MileagePlus X
Reported bugs
3 issues- Recurring transaction decline issues
- Inconsistent tracking of earned miles
- Glitches with gift card purchases
Requested features
3 requests- Improve search and location functionality
- Enhance user experience and app stability
- Provide better customer support channels
21 E Chestnut
Not enough reviews yet to summarise bugs or requests.
In-app purchases
MileagePlus X
No in-app purchases
21 E Chestnut
No in-app purchases
Questions
Is MileagePlus X free?
Is 21 E Chestnut free?
Do MileagePlus X or 21 E Chestnut have ads?
Which is updated more often, MileagePlus X or 21 E Chestnut?
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