# Chi Gap vs Tamos

The clearest difference is rating: Tamos at 4.3 against Chi Gap's 1.9. Tamos also leads on update cadence (fortnightly vs every 5 months) and review sentiment (21% vs 11%). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Tamos holds the better App Store score, 4.3 against 1.9. Both are backed by a comparable volume of ratings — 27 and 121 respectively. Written reviews point the same way: 11% of Chi Gap's written reviews are positive against 21% of Tamos's.

Chi Gap ships an update every 5 months, Tamos fortnightly. The most recent releases landed on September 20, 2026 and August 13, 2026 respectively.

## The numbers

| Metric | Chi Gap | Tamos |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.9 (27 ratings)](https://appshunter.io/ios/app/chi-gap/id1497463446/reviews) | **[4.3 (121 ratings)](https://appshunter.io/ios/app/tamos/id1593440039/reviews)** |
| Number of ratings | 27 | **121** |
| Positive reviews | 10.9% of reviews | **21.4% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 70 MB | 110 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Tcell JSC](https://appshunter.io/developer/1011157074) | [Nexus Technologies, LLC](https://appshunter.io/developer/1134731107) |

## What reviewers say

### Chi Gap

[App page](https://appshunter.io/ios/app/chi-gap/id1497463446)

This app enables users to make and receive calls and send SMS messages using an internet connection. It offers competitive international calling rates and integrates with Tcell services for balance management and special offers.

**Highlights:** Make and receive calls, Send SMS messages, International calling, Online balance monitoring, Balance top-up, Tcell service integration

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

**In-app purchases:** none


### Tamos

[App page](https://appshunter.io/ios/app/tamos/id1593440039)

Make international calls to landlines and mobile phones at competitive prices. This app offers high-quality communication and a built-in instant messenger for seamless global connectivity.

**Highlights:** International calling, Favorable rates, Call city and cell phones, High quality communication, Built-in instant messenger, Register NGN number

**Features:** macOS Compatibility, Siri integration

**In-app purchases:** none


## Frequently asked questions

### Is Chi Gap free?

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

### Is Tamos free?

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

### Which has better reviews, Chi Gap or Tamos?

Tamos is rated higher. Chi Gap averages 1.9 out of 5 from 27 ratings, while Tamos averages 4.3 from 121 ratings.

### Do Chi Gap or Tamos have ads?

Neither Chi Gap nor Tamos shows ads.

### Which is updated more often, Chi Gap or Tamos?

Chi Gap ships an update every 5 months, and Tamos fortnightly. Most recently, Chi Gap was updated on September 20, 2026 and Tamos on August 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.*