# Otsimo | Speech Therapy SLP vs B.I.S.F.

The clearest difference is in-app purchases: B.I.S.F. at none against Otsimo | Speech Therapy SLP's 10. B.I.S.F. also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Otsimo | Speech Therapy SLP sells 10 in-app purchases, starting at $0.99 per month. B.I.S.F. asks for nothing beyond the download.

Otsimo | Speech Therapy SLP ships an update every 3 weeks, B.I.S.F. monthly. The most recent releases landed on October 16, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Otsimo | Speech Therapy SLP | B.I.S.F. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (180 ratings)](https://appshunter.io/ios/app/otsimo-speech-therapy-slp/id1440975537/reviews)** | — |
| Number of ratings | **180** | — |
| Positive reviews | 43.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 158 MB | 38 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Otsimo](https://appshunter.io/developer/1084723769) | [Hadi Ezzeddine](https://appshunter.io/developer/1638122399) |

## What reviewers say

### Otsimo | Speech Therapy SLP

[App page](https://appshunter.io/ios/app/otsimo-speech-therapy-slp/id1440975537)

This app uses voice recognition and machine learning to help individuals practice speaking and improve speech clarity. It offers engaging games and exercises designed by experts to address various speech-related challenges.

**Highlights:** Voice and speech recognition technology, Machine learning for pronunciation evaluation, Engaging speech games and exercises, Video modeling for learning, Sticker collection and funny filters as rewards, Parental control settings

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Special Monthly Subscription | $0.99 | per month |
| Special Monthly Subscription | $3.49 | per month |
| Monthly Subscription | $6.99 | per month |
| Monthly Subscription | $14.99 | per month |
| Special Annual Subscription | $29.99 | per year |
| Annual Subscription | $41.99 | per year |
| Special Annual Subscription | $47.99 | per year |
| Annual Subscription | $53.99 | per year |
| Otsimo Bundle | $189.99 | per year |
| Otsimo Speech Lifetime Access | $119.99 | one-time |

**What reviewers like**

- 🚀 Engaging activities
- 👍 Peer mimicking method
- 💡 Progress tracking
- 🤗 Boosts speech confidence
- 🤩 Fun and interactive

**What reviewers complain about**

- 🐛 Crashes and glitches
- 💰 Expensive subscription
- 🔒 Difficult to cancel subscription
- 🤔 Unrealistic speech recognition
- 👎 Ineffective for some users

**Reported bugs**

- Frequent app crashes
- Subscription issues
- Compatibility problems on older devices
- Unreliable speech recognition

**Requested features**

- Improved speech recognition accuracy
- More diverse character voices
- Better offline functionality
- Flexible subscription options
- Clearer free trial details


### B.I.S.F.

[App page](https://appshunter.io/ios/app/bisf/id6752570292)

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

**In-app purchases:** none


## Frequently asked questions

### Is Otsimo | Speech Therapy SLP free?

Otsimo | Speech Therapy SLP is free to download, with in-app purchases available.

### Is B.I.S.F. free?

B.I.S.F. is free to download, with no in-app purchases.

### Do Otsimo | Speech Therapy SLP or B.I.S.F. have ads?

Otsimo | Speech Therapy SLP shows ads; B.I.S.F. does not.

### Which is updated more often, Otsimo | Speech Therapy SLP or B.I.S.F.?

Otsimo | Speech Therapy SLP ships an update every 3 weeks, and B.I.S.F. monthly. Most recently, Otsimo | Speech Therapy SLP was updated on October 16, 2026 and B.I.S.F. on October 13, 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.*