# KeepCalling International vs Coltie App

The clearest difference is in-app purchases: Coltie App at none against KeepCalling International's 15. Coltie App also leads on ads (none vs shown) and rating (5.0 vs 4.6). KeepCalling International's advantage is ratings volume (19K vs 6). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. KeepCalling International sells 14 one-off in-app purchases. Coltie App asks for nothing beyond the download.

Coltie App holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: KeepCalling International has 19K ratings behind it against 6, so its average is the more settled of the two.

KeepCalling International ships an update every 3 weeks, Coltie App every 2 weeks. The most recent releases landed on October 30, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | KeepCalling International | Coltie App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (19K ratings)](https://appshunter.io/ios/app/keepcalling-international/id518708790/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/coltie-app/id6450946931/reviews)** |
| Number of ratings | **19K** | 6 |
| Positive reviews | 39.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 53 MB | 60 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Miron Enterprises, LLC](https://appshunter.io/developer/518708793) | [COLTIE Inc](https://appshunter.io/developer/1695855339) |

## What reviewers say

### KeepCalling International

[App page](https://appshunter.io/ios/app/keepcalling-international/id518708790)

Make affordable international calls, send mobile recharges, and get travel eSIMs with this app. Enjoy high-quality VoIP calls, instant top-ups to over 160 countries, and seamless data plans for your trips abroad. Stay connected globally without expensive roaming fees.

**Highlights:** Low-rate international calls, Mobile recharge for 160+ countries, Travel eSIM data plans, High-quality VoIP calls, Integrated contacts, Speed dial, Set Caller ID

**Features:** Vision Pro support

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| $5 Voice Credit | $5.99 | one-time |
| $6 Voice Credit | $5.99 | one-time |
| £4 Voice Credit | $5.99 | one-time |
| €4.5 Voice Credit | $5.99 | one-time |
| ¥500 Voice Credit | $5.99 | one-time |
| R$15 Voice Credit | $5.99 | one-time |
| Prepaid 10 CAD credit | $8.99 | one-time |
| Prepaid 10 EUR credit | $11.99 | one-time |
| $10 Voice Credit | $11.99 | one-time |
| Prepaid 20 CAD credit | $17.99 | one-time |
| $20 Voice Credit | $23.99 | one-time |
| Prepaid 20 GBP credit | $29.99 | one-time |
| Prepaid 50 AUD credit | $39.99 | one-time |
| Prepaid 50 CAD credit | $44.99 | one-time |

**What reviewers like**

- 🚀 Great first call
- 🚀 Easy to use app
- 🚀 Affordable, fast, and excellent sound
- 🚀 Seamless integration with iOS
- 🚀 Reliable service

**What reviewers complain about**

- 🐛 Busy for what
- 🐛 Hard to connect
- 🐛 Worst app ever, don't waste your money
- 🐛 Drops my calls every time
- 🐛 App is not working properly

**Reported bugs**

- Prompt doesn't work
- Can't find number

**Requested features**

- Add ability to add minutes/call time from within the app


### Coltie App

[App page](https://appshunter.io/ios/app/coltie-app/id6450946931)

This social networking app facilitates connections within academia by intelligently matching prospective students with graduate advisors. Users can create profiles featuring video statements and research descriptions, fostering a dynamic academic community.

**Highlights:** Intelligent student-advisor matching, Video personal statements, Faculty research and advising videos, Academic topic video sharing, Profile enhancement with video

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KeepCalling International free?

KeepCalling International is free to download, with in-app purchases available.

### Is Coltie App free?

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

### Which has better reviews, KeepCalling International or Coltie App?

Coltie App is rated higher. KeepCalling International averages 4.6 out of 5 from 19K ratings, while Coltie App averages 5.0 from 6 ratings.

### Do KeepCalling International or Coltie App have ads?

KeepCalling International shows ads; Coltie App does not.

### Which is updated more often, KeepCalling International or Coltie App?

KeepCalling International ships an update every 3 weeks, and Coltie App every 2 weeks. Most recently, KeepCalling International was updated on October 30, 2026 and Coltie App on October 8, 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.*