Comparison

UNO PLUS vs Ostler

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

Head to head
About

UNO PLUS

Earn rewards for fueling up at UNO stations and shopping at Pronto stores. This loyalty program offers benefits for your purchases.

Highlights
  • Rewards for fuel purchases
  • Benefits for store purchases
  • Loyalty program
  • Exclusive offers
Features
Read full description

¡Bienvenido a UNO PLUS! Tu nueva app de beneficios que premia cada carga de combustible en estaciones UNO y tus compras en Tiendas Pronto. ¡Gracias por ser parte de UNO PLUS!

About

Ostler

Features
Read full description

Ostler keeps everything your pet needs in one place — and helps you decide what to do when something seems off. TRACK WHAT MATTERS • Dogs, cats, birds, rabbits, horses, pigs, goats, sheep and fish, each with the log entries that fit it • Log walks, meals, water, weight, grooming and vet visits • See weight trends over time • A complete history for each pet you add NEVER MISS A DOSE OR A DATE • Reminders for medications, vaccinations and appointments • Repeating schedules — daily, weekly, monthly or yearly • Calendar view of everything coming up 24/7 GUIDANCE WITH PREMIUM • Ask about food, behaviour, grooming and general care, any time • Understand what you're seeing and know when to call the vet • Photograph a treat or an ingredient label and get plain-language guidance • Answers take your pet's own logged history into account FIND A VET FAST • Nearby clinics with phone numbers, hours and directions • Filter to clinics open right now • One tap to call ONE HOUSEHOLD, ONE PICTURE • With Premium, share pets, logs and reminders with up to 5 people • Everyone sees the same schedule • One Premium subscription covers the whole household — the monthly messages and photos are shared WHAT'S FREE AND WHAT'S PREMIUM • Free: one pet, with its log, reminders and weight history • Premium: every pet in the house, AI guidance (100 messages and 30 photo assessments a month), family sharing for up to 5 people, and vet-ready PDF reports • Finding a vet is always free, on every plan Ostler gives general pet care guidance. It is not a veterinarian and does not diagnose illness or prescribe treatment. Always contact a licensed veterinarian for diagnosis, medication or treatment. In an emergency, contact a veterinarian immediately — do not wait for a response in the app. Terms of Service: https://www.ostlerapp.com/legal/terms.html Privacy Policy: https://www.ostlerapp.com/legal/privacy.html

Screenshots

UNO PLUS4 screens
Ostler4 screens

Verdict

The call

The clearest difference is in-app purchases: UNO PLUS at none against Ostler's 2. UNO PLUS also leads on iOS requirement (15.5 vs 26.0). On price, update cadence, 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. Ostler sells 2 in-app purchases, starting at $12.99 per month. UNO PLUS asks for nothing beyond the download.

UpkeepUpdate frequency

UNO PLUS ships an update weekly, Ostler every 3 days. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 8 level
UNO PLUS versus Ostler: the parameters behind the verdict, then further details
ParameterUNO PLUSOstler
PriceFreeFree
Rating4.8 (127 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings127 — better—
Update frequencyWeeklyEvery 3 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationAd-supported—
DevicesiPhone, iPod — betteriPhone
Requires iOS15.5 — better26.0
Further details — not scored
Size110 MB47 MB
Age rating12+12+
DeveloperSOIN Soluciones Integrales S.A.Mario Noriega

In-app purchases

None

UNO PLUS

No in-app purchases

2 purchases

Ostler

Subscriptions2
  • Ostler Premium Monthly3 Days trial$12.991 Month
  • Ostler Premium Yearly3 Days trial$79.991 Year

Questions

Is UNO PLUS free?
UNO PLUS is free to download, with no in-app purchases.
Is Ostler free?
Ostler is free to download, with in-app purchases available.
Do UNO PLUS or Ostler have ads?
Neither UNO PLUS nor Ostler shows ads.
Which is updated more often, UNO PLUS or Ostler?
UNO PLUS ships an update weekly, and Ostler every 3 days. Most recently, UNO PLUS was updated on October 30, 2026 and Ostler on October 25, 2026.

Other comparisons