# iLog BTF vs Sundbergs

The clearest difference is update cadence: iLog BTF at every 5 months against Sundbergs's every 31 months. Sundbergs's advantage is iOS requirement (11.0 vs 16.0). 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.

iLog BTF ships an update every 5 months, Sundbergs every 31 months. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | iLog BTF | Sundbergs |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 31 months |
| Size | 58 MB | 12 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [WIP, Wireless Independent Provider AB](https://appshunter.io/developer/334200429) | [Roxx Communication Group](https://appshunter.io/developer/408833746) |

## What reviewers say

### iLog BTF

[App page](https://appshunter.io/ios/app/ilog-btf/id1238101705)

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

**In-app purchases:** none


### Sundbergs

[App page](https://appshunter.io/ios/app/sundbergs/id1566561234)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iLog BTF free?

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

### Is Sundbergs free?

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

### Do iLog BTF or Sundbergs have ads?

Neither iLog BTF nor Sundbergs shows ads.

### Which is updated more often, iLog BTF or Sundbergs?

iLog BTF ships an update every 5 months, and Sundbergs every 31 months. Most recently, iLog BTF was updated on November 2, 2026 and Sundbergs on November 7, 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.*