Comparison

Keystone Management vs First Days

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Keystone Management

Manage your rental property account conveniently from your mobile device. Pay rent, submit maintenance requests, and review your account details anytime, anywhere.

Highlights
  • Pay rent
  • Request maintenance
  • Review account
  • On-the-go access
Features
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The Keystone Management Resident App allows your to pay your rent, request maintenance and review your account all while on the go!

About

First Days

Features
Read full description

The first months with your baby are filled with dozens of little moments every day. When did they last eat? How much have they slept today? When was their last diaper change? Is it almost time for another nap? First Days keeps everything that matters in one place: sleep, feedings, walks, health, and development. Log your baby’s day as it happens, understand their natural routine, and get personalized insights based on your records. SLEEP & ROUTINE • Track daytime naps and nighttime sleep • Use sleep and wake timers • See how much your baby has slept today • Get an estimate of when the next nap may be • Receive insights based on your baby’s age and usual routine • Play white noise, rain, ocean sounds, and more FEEDING & SOLIDS • Track breastfeeding and which side you used • Log bottle feedings and amounts • Track water and solid foods separately • Introduce new foods and keep notes on your baby’s reactions • See how long it’s been since the last feeding • Get an estimate of when your baby may be ready to feed again DAILY CARE Keep the little details of each day together in one diary: • Diapers and baths • Temperature • Height and weight • Well-being and notes • Doctor visits and checkups WALKS Start the timer when you head outside, and First Days can keep track of your walk time, route, distance, and steps. Check the weather and get suggestions for dressing your baby based on the temperature. You can also log sleep and feedings without ending your walk. HEALTH • Create medication schedules and reminders • Keep track of medication courses and doses • Follow your baby’s vaccination schedule • Record reactions after vaccinations • Add doctor visits and vaccinations to your system calendar BABY DEVELOPMENT Follow your baby’s development from birth through week 70 and discover what may be changing as they grow. • Week-by-week development information • Age-appropriate games and activities • Tummy time timer • Interactive mini-games • Step-by-step guides for everyday care, carrying, and swaddling STATS & HISTORY As your diary grows, First Days helps you see more than individual entries — it helps you understand your baby’s routine over time. • See the whole day in one timeline • View sleep and feeding statistics • Notice changes in your baby’s routine over time • Get personalized insights based on your records • Create reports that are easy to share with your pediatrician First Days supports multiple baby profiles, widgets, Live Activities, Shortcuts, and notifications. Your baby’s diary stays yours. Your records are stored on your device and are not used to serve advertising. Some advanced features are available with First Days Premium. Pricing and subscription terms are shown before purchase. You can manage or cancel your subscription in your Apple ID settings. First Days is not a substitute for professional medical advice. If you have questions or concerns about your baby’s health or development, please consult a qualified healthcare professional. Terms of Use: https://nu-shtosh.github.io/first-days/terms.html

Screenshots

Keystone Management4 screens
First Days4 screens

Verdict

The call

The clearest difference is in-app purchases: Keystone Management at none against First Days's 2. Keystone Management also leads on iOS requirement (12.0 vs 17.0). First Days's advantage is update cadence (every 11 days vs every 11 months). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. First Days sells 2 in-app purchases, starting at $3.99 per month. Keystone Management asks for nothing beyond the download.

UpkeepUpdate frequency

Keystone Management ships an update every 11 months, First Days every 11 days. The most recent releases landed on November 7, 2026 and November 6, 2026 respectively.

Scorecard3 real differences · 7 level
Keystone Management versus First Days: the parameters behind the verdict, then further details
ParameterKeystone ManagementFirst Days
PriceFreeFree
Rating4.6 (206 ratings) — better—
Positive reviews72.7% of reviews—
Number of ratings206 — better—
Update frequencyEvery 11 monthsEvery 11 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad
Requires iOS12.0 — better17.0
Further details — not scored
Size84 MB52 MB
Age rating4+4+
DeveloperYardi Systems, Inc.Nadezhda Dubenskaia

Bugs and requests

Keystone Management

Reported bugs

3 issues
  • Cannot upload checking information
  • Autopay not working
  • App does not notify about autopay failures

Requested features

4 requests
  • Improve communication on maintenance issues
  • Ensure tenants feel valued
  • Make uploading checking information possible
  • Fix autopay functionality and notifications

First Days

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Keystone Management

No in-app purchases

2 purchases

First Days

Subscriptions2
  • First Days Premium - Monthly$3.991 Month
  • First Days Premium - Yearly$24.991 Year

Questions

Is Keystone Management free?
Keystone Management is free to download, with no in-app purchases.
Is First Days free?
First Days is free to download, with in-app purchases available.
Do Keystone Management or First Days have ads?
Neither Keystone Management nor First Days shows ads.
Which is updated more often, Keystone Management or First Days?
Keystone Management ships an update every 11 months, and First Days every 11 days. Most recently, Keystone Management was updated on November 7, 2026 and First Days on November 6, 2026.

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