# Call Recorder App vs Synth I.A.

The clearest difference is update cadence: Synth I.A. at every 6 days against Call Recorder App's every 3 months. Call Recorder App's advantage is iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Call Recorder App sells 3 in-app purchases, starting at $9.99 per month and Synth I.A. sells 1 in-app purchase, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Call Recorder App ships an update every 3 months, Synth I.A. every 6 days. The most recent releases landed on November 8, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Call Recorder App | Synth I.A. |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 days** |
| Size | 15 MB | 16 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 9+ | 17+ |
| Developer | [ACCUINSPECT HONG KONG LIMITED](https://appshunter.io/developer/1714753917) | [Maxime Pontoire](https://appshunter.io/developer/525396222) |

## What reviewers say

### Call Recorder App

[App page](https://appshunter.io/ios/app/call-recorder-app-call-spark/id6476905971)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Purchase month | $9.99 | per month |
| Purchase Month | $13.99 | per month |
| Purchase Year | $41.99 | per year |


### Synth I.A.

[App page](https://appshunter.io/ios/app/synth-ia/id6745096328)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Subscription | $4.99 | per month |


## Frequently asked questions

### Is Call Recorder App free?

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

### Is Synth I.A. free?

Synth I.A. is free to download, with in-app purchases available.

### Do Call Recorder App or Synth I.A. have ads?

Neither Call Recorder App nor Synth I.A. shows ads.

### Which is updated more often, Call Recorder App or Synth I.A.?

Call Recorder App ships an update every 3 months, and Synth I.A. every 6 days. Most recently, Call Recorder App was updated on November 8, 2026 and Synth I.A. on October 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.*