# Elmo Calls vs Sleep Tech Audio Lectures

The clearest difference is price: Elmo Calls at $1.99 against Sleep Tech Audio Lectures's $104.99. Elmo Calls also leads on chart position (#23 vs unranked). Sleep Tech Audio Lectures's advantage is in-app purchases (none vs 11). On update cadence, ads, device support and iOS requirement there is nothing between them.

Elmo Calls costs $1.99 and Sleep Tech Audio Lectures $104.99 up front. Elmo Calls sells 11 one-off in-app purchases. Sleep Tech Audio Lectures asks for nothing beyond the download.

Elmo Calls ships an update every 7 months, Sleep Tech Audio Lectures every 9 months. The most recent releases landed on October 21, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Elmo Calls | Sleep Tech Audio Lectures |
| --- | --- | --- |
| Price | **$1.99** | $104.99 |
| Rating | **[4.3 (955 ratings)](https://appshunter.io/ios/app/elmo-calls/id467703220/reviews)** | — |
| Number of ratings | **955** | — |
| Positive reviews | 73.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 9 months |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#23** | — |
| Size | 171 MB | 142 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Sesame Workshop (Apps)](https://appshunter.io/developer/339077104) | [RTS Publishing Co Inc](https://appshunter.io/developer/604916069) |

## What reviewers say

### Elmo Calls

[App page](https://appshunter.io/ios/app/elmo-calls/id467703220)

**Currently charting:** #23 Top Paid · Education (US App Store)

Engage in interactive video and audio calls with a beloved Sesame Street character. This app encourages imaginative play, teaches healthy habits, and fosters self-confidence through fun conversations and scheduled calls.

**Highlights:** Receive audio and video calls from Elmo, Send and receive voicemails from Elmo, Live video of user during calls, Schedule calls for various situations, Learn about healthy habits and letters, Engage in imaginative play with Elmo

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| "Playdate With Elmo" Pack | Free | one-time |
| "Feelings" Pack | $0.99 | one-time |
| "ABCs" pack | $0.99 | one-time |
| "Special Visits" Pack | $0.99 | one-time |
| "Firsts and Celebrations" Pack | $0.99 | one-time |
| "Elmo is Proud of You!" Pack | $0.99 | one-time |
| "Laugh With Elmo!" Pack | $0.99 | one-time |
| "Happy Habits" Pack | $0.99 | one-time |
| "You Can Do It!" Pack | $0.99 | one-time |
| "Sing With Elmo!" Pack | $0.99 | one-time |
| "All Calls" Pack | $6.99 | one-time |

**What reviewers like**

- 💕 Fun and engaging
- 👍 Great for kids
- 🤩 Elmo calls are entertaining
- 😊 Brings joy and laughter

**What reviewers complain about**

- 💰 Expensive in-app purchases
- 🐛 Frequent crashes and bugs
- 🔒 Weak parental controls
- 📵 Scheduled calls don't work as expected

**Reported bugs**

- App crashes on launch
- Video calls don't work
- Purchased content not restoring
- Scheduled calls not triggering

**Requested features**

- More character call options (Big Bird, Cookie Monster, etc.)
- Ability to record video calls
- Improved UI for young users
- Scheduled calls that actually ring the device


### Sleep Tech Audio Lectures

[App page](https://appshunter.io/ios/app/sleep-tech-audio-lectures/id6745153675)

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

**In-app purchases:** none


## Frequently asked questions

### Is Elmo Calls free?

Elmo Calls costs $1.99, and also offers in-app purchases.

### Is Sleep Tech Audio Lectures free?

Sleep Tech Audio Lectures costs $104.99, with no in-app purchases.

### Do Elmo Calls or Sleep Tech Audio Lectures have ads?

Neither Elmo Calls nor Sleep Tech Audio Lectures shows ads.

### Which is updated more often, Elmo Calls or Sleep Tech Audio Lectures?

Elmo Calls ships an update every 7 months, and Sleep Tech Audio Lectures every 9 months. Most recently, Elmo Calls was updated on October 21, 2026 and Sleep Tech Audio Lectures on September 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.*