Comparison

Stimuler vs USTM Appointment

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

Head to head
About

Stimuler

Practice English speaking skills with AI-powered feedback on pronunciation, fluency, and vocabulary. Simulate IELTS speaking tests and receive personalized tips to improve your conversational abilities.

Highlights
  • Instant feedback on pronunciation, fluency, and vocabulary
  • AI-powered IELTS speaking mock tests
  • Over 100 speaking topics
  • Detailed speech insights (filler words, pace, tone)
  • Personalized tips after each session
  • Proprietary voice AI technology
Features
Read full description

Ever wondered how you can ace the IELTS Speaking section or practice your English speaking skills with just your smartphone? Enter Stimuler! Dive deep into the realm of English speaking practice, meticulously crafted by a team of IITians, a World Public Speaking Champion, and multiple IELTS 8.5 Band achievers. DOWNLOAD STIMULER NOW! Boasting a community of 12Mn+ users from 200+ countries and a glowing 4.8/5* rating, Stimuler isn’t just another English learning app – it's an English-speaking revolution! Why is Stimuler the talk of the town? * 60-Second Magic: Record a 60-second speech and get instant feedback on your pronunciation, fluency, vocabulary, and more in less than 20 seconds. Plus, an immediate IELTS band score to gauge your progress. * Real-life IELTS Simulation: Industry-first Live Video Mock Tests that mirror the real IELTS experience with our proprietary AI Interviewer. Engage, speak, and receive exhaustive performance insights instantly alongside your overall IELTS Speaking band! * Speak Your Mind: With over 100 diverse speaking topics, you're spoilt for choice. Perfect for IELTS, TOEFL, or just some casual English conversation practice. * Speech Insights: Dive deeper than scores. From filler words, pace, and tone to awkward pauses, get a 360-degree view of your speaking prowess. * Tailored Tips After Every Session: We believe feedback is the breakfast of champions. Get personalized pointers after every session, crafted just for you. Features that set us leagues apart: * Global Recognition: We're not just loved by our users. We've been spotlighted as one of the top 100 promising apps of 2023 and have the backing of top-tier VCs from Silicon Valley, Japan, and India. * Proprietary Voice AI Technology: Our state-of-the-art voice AI has been refined using millions of user speeches, spanning every single country on the planet. This ensures unparalleled feedback accuracy and insights. * Fast and Flexible: Whether you've got hours or just 10 minutes a day, see tangible results with Stimuler. What's more? Every speech gets comprehensive feedback in less than 30 seconds! * Affordable Premium Perks: At a nominal price of less than $5/month, unlock a universe of features. A tailored practice roadmap of speaking exercises, 15+ full-length IELTS Speaking mock tests, and much more awaits you. Here's the best part: Stimuler is FREE for everyone. Dive in, practice speaking, gather feedback, and watch yourself transform day by day. For those aiming for the stars, our premium suite is your rocket ship. From rigorous IELTS speaking preparation to breezy English conversation sessions – Stimuler is your pocket mentor. Flexible, blazing fast, and proven, with users witnessing a whopping 20% enhancement in speaking and conversational skills in just a month! So, why wait? Whether you're gearing up for your IELTS speaking test or just looking to brush up on your English conversation skills, Stimuler is too good to miss out on. Remember, real progress happens when you practice, not just watch. It's free to download, and it's high time you took your English speaking to the next level. Speak, Evolve, Triumph! Terms of Use- https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

USTM Appointment

Features
Read full description

Creating an appointment scheduling app for a Vice Chancellor (VC) or similar high-ranking academic official can significantly streamline the management of appointments, meetings, and interactions. The goal is to make it easier for staff, students, faculty, and external stakeholders to schedule time efficiently while respecting the Vice Chancellor's availability and priorities.

Screenshots

Stimuler4 screens
USTM Appointment4 screens

Verdict

The call

The clearest difference is in-app purchases: USTM Appointment at none against Stimuler's 10. USTM Appointment also leads on iOS requirement (12.0 vs 16.4). Stimuler's advantage is chart position (#164 vs unranked). 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. Stimuler sells 10 in-app purchases, starting at $1.99 per 7 days. USTM Appointment asks for nothing beyond the download.

UpkeepUpdate frequency

Stimuler ships an update every 5 days, USTM Appointment every 4 days. The most recent releases landed on November 5, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 8 level
Stimuler versus USTM Appointment: the parameters behind the verdict, then further details
ParameterStimulerUSTM Appointment
PriceFreeFree
Rating4.8 (8.7K ratings) — better—
Positive reviews57.2% of reviews—
Number of ratings8.7K — better—
Update frequencyEvery 5 daysEvery 4 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
Best chart rank#164 — better—
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.412.0 — better
Further details — not scored
Size239 MB42 MB
Age rating4+4+
DeveloperStimuler Private LimitedSkoodle Learning Private Limited

Bugs and requests

Stimuler

Reported bugs

3 issues
  • Freezing and crashing issues
  • Voice recognition and feedback problems
  • Buggy recording feature

Requested features

2 requests
  • Save user answers for review
  • Improve lesson content and quality

USTM Appointment

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Stimuler

Subscriptions10
  • Weekly Subscription$1.997 Days
  • Monthly$9.991 Month
  • Monthly Subscription$12.991 Month
Show 7 more
  • Annual 50 pct$18.991 Year
  • Annual 8 Pct$20.991 Year
  • Yearly with Free Trial3 Days trial$34.991 Year
  • Annual$34.991 Year
  • Annual Subscription$49.991 Year
  • annual3 Days trial$59.991 Year
  • Pro+ Annual Base$69.991 Year
None

USTM Appointment

No in-app purchases

Questions

Is Stimuler free?
Stimuler is free to download, with in-app purchases available.
Is USTM Appointment free?
USTM Appointment is free to download, with no in-app purchases.
Do Stimuler or USTM Appointment have ads?
Neither Stimuler nor USTM Appointment shows ads.
Which is updated more often, Stimuler or USTM Appointment?
Stimuler ships an update every 5 days, and USTM Appointment every 4 days. Most recently, Stimuler was updated on November 5, 2026 and USTM Appointment on October 30, 2026.

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