# Stimuler vs USTM Appointment

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 (#175 vs unranked). On price, update cadence, ads and device support there is nothing between them.

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.

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.

## The numbers

| Metric | Stimuler | USTM Appointment |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (8.7K ratings)](https://appshunter.io/ios/app/stimuler-english-speaking-app/id1627501632/reviews)** | — |
| Number of ratings | **8.7K** | — |
| Positive reviews | 57.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#175** | — |
| Size | 239 MB | 42 MB |
| Requires iOS | 16.4 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stimuler Private Limited](https://appshunter.io/developer/1627501634) | [Skoodle Learning Private Limited](https://appshunter.io/developer/1072134701) |

## What reviewers say

### Stimuler

[App page](https://appshunter.io/ios/app/stimuler-english-speaking-app/id1627501632)

**Currently charting:** #175 Top Free · Education, #181 Top Grossing · Education (US App Store)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $1.99 | per 7 days |
| Monthly | $9.99 | per month |
| Monthly Subscription | $12.99 | per month |
| Annual 50 pct | $18.99 | per year |
| Annual 8 Pct | $20.99 | per year |
| Yearly with Free Trial | $34.99 | per year |
| Annual | $34.99 | per year |
| Annual Subscription | $49.99 | per year |
| annual | $59.99 | per year |
| Pro+ Annual Base | $69.99 | per year |

**What reviewers like**

- 👍 Great personal support
- 🚀 Exciting and feature-rich
- 👍 Friendly way to learn
- 💡 Helpful WhatsApp group and instructor

**What reviewers complain about**

- 🐛 Frequent freezing and crashing issues
- 🐛 Voice recognition and feedback problems
- 🐛 Buggy recording feature
- 👎 Disappointing experience after upgrade
- 👎 Grammatically incorrect sentences

**Reported bugs**

- Freezing and crashing issues
- Voice recognition and feedback problems
- Buggy recording feature

**Requested features**

- Save user answers for review
- Improve lesson content and quality


### USTM Appointment

[App page](https://appshunter.io/ios/app/ustm-appointment/id6740576261)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*