# Istya vs SignFlow

Istya and SignFlow are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases 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.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on September 9, 2026 and July 19, 2026 respectively.

## The numbers

| Metric | Istya | SignFlow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Size | 136 MB | 49 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [9393-2556 Quebec Inc](https://appshunter.io/developer/1660107717) | [Authnex](https://appshunter.io/developer/1512686868) |

## What reviewers say

### Istya

[App page](https://appshunter.io/ios/app/istya-workplace/id1660107715)

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

**In-app purchases:** none


### SignFlow

[App page](https://appshunter.io/ios/app/signflow/id6448109319)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Istya free?

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

### Is SignFlow free?

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

### Do Istya or SignFlow have ads?

Neither Istya nor SignFlow shows ads.

### Which is updated more often, Istya or SignFlow?

Istya ships an update fortnightly, and SignFlow fortnightly. Most recently, Istya was updated on September 9, 2026 and SignFlow on July 19, 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.*