# Synthesis24 vs SayABC

Synthesis24 and SayABC are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | Synthesis24 | SayABC |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Size | 49 MB | 74 MB |
| Requires iOS | **15.0** | 16 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [杰超 杨](https://appshunter.io/developer/1364053114) | [Dao An khang](https://appshunter.io/developer/1798261711) |

## What reviewers say

### Synthesis24

[App page](https://appshunter.io/ios/app/synthesis24/id1606353407)

**Features:** macOS Compatibility

**In-app purchases:** none


### SayABC

[App page](https://appshunter.io/ios/app/sayabc/id6748971381)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Synthesis24 free?

Synthesis24 is free to download, with no in-app purchases.

### Is SayABC free?

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

### Do Synthesis24 or SayABC have ads?

Neither Synthesis24 nor SayABC shows ads.

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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.*