# ISDA E vs Kitline

The clearest difference is in-app purchases: ISDA E at none against Kitline's 1. ISDA E also leads on iOS requirement (11.0 vs 26.0). Kitline's advantage is update cadence (every 4 weeks vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. Kitline sells 1 one-off in-app purchase. ISDA E asks for nothing beyond the download.

ISDA E ships an update every 3 months, Kitline every 4 weeks. Both last shipped on October 9, 2026.

## The numbers

| Metric | ISDA E | Kitline |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 weeks** |
| Size | 70 MB | 14 MB |
| Requires iOS | **11.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mario Perricone](https://appshunter.io/developer/1523501305) | [Andrii Bashta](https://appshunter.io/developer/1547467775) |

## What reviewers say

### ISDA E

[App page](https://appshunter.io/ios/app/isda-e-learning/id1608171494)

**Features:** macOS Compatibility

**In-app purchases:** none


### Kitline

[App page](https://appshunter.io/ios/app/kitline-jersey-maker/id6780805297)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kitline Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is ISDA E free?

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

### Is Kitline free?

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

### Do ISDA E or Kitline have ads?

Neither ISDA E nor Kitline shows ads.

### Which is updated more often, ISDA E or Kitline?

ISDA E ships an update every 3 months, and Kitline every 4 weeks. Most recently, ISDA E was updated on October 9, 2026 and Kitline on October 9, 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.*