# Delta Theta Lambda vs TELTLK

The clearest difference is ads: Delta Theta Lambda at none against TELTLK's shown. Delta Theta Lambda also leads on iOS requirement (13.0 vs 15.6). TELTLK's advantage is update cadence (monthly vs every 41 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Delta Theta Lambda ships an update every 41 months, TELTLK monthly. The most recent releases landed on September 14, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Delta Theta Lambda | TELTLK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.1 (17 ratings)](https://appshunter.io/ios/app/teltlk/id6476188120/reviews)** |
| Number of ratings | — | **17** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 41 months | **Monthly** |
| Monetization | — | Ad-supported |
| Size | 24 MB | 283 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Ricardo Cumberbatch](https://appshunter.io/developer/1455104172) | [Teltlk International Limited](https://appshunter.io/developer/1726142601) |

## What reviewers say

### Delta Theta Lambda

[App page](https://appshunter.io/ios/app/delta-theta-lambda/id1595860513)

**Features:** macOS Compatibility

**In-app purchases:** none


### TELTLK

[App page](https://appshunter.io/ios/app/teltlk/id6476188120)

This platform facilitates instant messaging and information exchange using AI. It connects users globally for social interaction and communication.

**Highlights:** AI-powered communication, Instant messaging, Social platform, Information exchange

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Delta Theta Lambda free?

Delta Theta Lambda is free to download, with no in-app purchases.

### Is TELTLK free?

TELTLK is free to download, with no in-app purchases.

### Do Delta Theta Lambda or TELTLK have ads?

TELTLK shows ads; Delta Theta Lambda does not.

### Which is updated more often, Delta Theta Lambda or TELTLK?

Delta Theta Lambda ships an update every 41 months, and TELTLK monthly. Most recently, Delta Theta Lambda was updated on September 14, 2026 and TELTLK on September 15, 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.*