# Flatnetsite vs Call.io

The clearest difference is in-app purchases: Flatnetsite at none against Call.io's 11. Flatnetsite also leads on device support (3 vs 1). Call.io's advantage is update cadence (every 2 weeks vs every 5 weeks). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Call.io sells 11 in-app purchases, starting at $7.99 per 7 days. Flatnetsite asks for nothing beyond the download.

Flatnetsite ships an update every 5 weeks, Call.io every 2 weeks. The most recent releases landed on October 16, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Flatnetsite | Call.io |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (17 ratings)](https://appshunter.io/ios/app/callio-ai-phone-assistant/id6754271278/reviews)** |
| Number of ratings | — | **17** |
| Positive reviews | — | 60.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 7 MB | 94 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [bora ates](https://appshunter.io/developer/1551641430) | [GETVERIFY LDA](https://appshunter.io/developer/1494178697) |

## What reviewers say

### Flatnetsite

[App page](https://appshunter.io/ios/app/flatnetsite/id6752628895)

**Features:** macOS Compatibility

**In-app purchases:** none


### Call.io

[App page](https://appshunter.io/ios/app/callio-ai-phone-assistant/id6754271278)

This AI-powered assistant screens incoming calls, filters spam, and handles conversations on your behalf. It can take notes, provide call summaries, and even make outbound calls, saving you time and stress from unwanted interruptions.

**Highlights:** Smart call screening and filtering, Spam call blocking and "Chatty Aunt" mode, Call transcripts and voice summaries, Personalized call rules and contact syncing, Roaming call handling without extra fees, Outbound call capabilities, Dedicated global business line

**Features:** macOS Compatibility

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $7.99 | per 7 days |
| Premium Monthly | $14.99 | per month |
| 350K Token | $2.99 | one-time |
| 600K Token | $4.99 | one-time |
| 1M Token | $7.99 | one-time |
| 1.7M Token | $12.99 | one-time |
| 2.8M Token | $19.99 | one-time |
| 4.3M Token | $29.99 | one-time |
| 6.7M Token | $44.99 | one-time |
| 9M Token | $59.99 | one-time |
| 13M Token | $79.99 | one-time |


## Frequently asked questions

### Is Flatnetsite free?

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

### Is Call.io free?

Call.io is free to download, with in-app purchases available.

### Do Flatnetsite or Call.io have ads?

Neither Flatnetsite nor Call.io shows ads.

### Which is updated more often, Flatnetsite or Call.io?

Flatnetsite ships an update every 5 weeks, and Call.io every 2 weeks. Most recently, Flatnetsite was updated on October 16, 2026 and Call.io on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*