# Sonder vs backward

The clearest difference is in-app purchases: Sonder at none against backward's 3. Sonder also leads on ads (none vs shown) and iOS requirement (14.0 vs 18.0). On price, update cadence and device support there is nothing between them.

Both are free to download. backward sells 3 in-app purchases, starting at $3.99 per month. Sonder asks for nothing beyond the download.

Sonder ships an update fortnightly, backward monthly. The most recent releases landed on November 4, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Sonder | backward |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Monthly |
| Size | 43 MB | 40 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Hungrii Inc.](https://appshunter.io/developer/1449868788) | [16775501 Canada Inc.](https://appshunter.io/developer/1784599993) |

## What reviewers say

### Sonder

[App page](https://appshunter.io/ios/app/sonder-local-events/id6630365780)

**Features:** macOS Compatibility

**In-app purchases:** none


### backward

[App page](https://appshunter.io/ios/app/backward/id6739272149)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $3.99 | per month |
| Annual Pro | $34.99 | per year |
| Message Pack | $0.99 | one-time |


## Frequently asked questions

### Is Sonder free?

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

### Is backward free?

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

### Do Sonder or backward have ads?

backward shows ads; Sonder does not.

### Which is updated more often, Sonder or backward?

Sonder ships an update fortnightly, and backward monthly. Most recently, Sonder was updated on November 4, 2026 and backward on October 24, 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.*