# IPLOG v21 vs CypherAir

The clearest difference is update cadence: CypherAir at every 2 days against IPLOG v21's every 2 weeks. IPLOG v21's advantage is iOS requirement (15.0 vs 26.5). On price, ads, in-app purchases and device support there is nothing between them.

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

IPLOG v21 ships an update every 2 weeks, CypherAir every 2 days. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | IPLOG v21 | CypherAir |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Size | 63 MB | 79 MB |
| Requires iOS | **15.0** | 26.5 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [METEL s.r.o.](https://appshunter.io/developer/1485845216) | [康 陈](https://appshunter.io/developer/1862348574) |

## What reviewers say

### IPLOG v21

[App page](https://appshunter.io/ios/app/iplog-v21/id6648787945)

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

**In-app purchases:** none


### CypherAir

[App page](https://appshunter.io/ios/app/cypherair/id6760628384)

**In-app purchases:** none


## Frequently asked questions

### Is IPLOG v21 free?

IPLOG v21 is free to download, with no in-app purchases.

### Is CypherAir free?

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

### Do IPLOG v21 or CypherAir have ads?

Neither IPLOG v21 nor CypherAir shows ads.

### Which is updated more often, IPLOG v21 or CypherAir?

IPLOG v21 ships an update every 2 weeks, and CypherAir every 2 days. Most recently, IPLOG v21 was updated on November 4, 2026 and CypherAir on November 5, 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.*