# BLAM DSP 4 vs SurvStash

The clearest difference is iOS requirement: BLAM DSP 4 at 9.0 against SurvStash's 13.4. 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.

## The numbers

| Metric | BLAM DSP 4 | SurvStash |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Weekly |
| Size | 2 MB | 50 MB |
| Requires iOS | **9.0** | 13.4 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [BLAM](https://appshunter.io/developer/1117883429) | [Nordia grupa d.o.o](https://appshunter.io/developer/1746703165) |

## What reviewers say

### BLAM DSP 4

[App page](https://appshunter.io/ios/app/blam-dsp-4/id6488414900)

**Features:** macOS Compatibility

**In-app purchases:** none


### SurvStash

[App page](https://appshunter.io/ios/app/survstash/id6502767037)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is BLAM DSP 4 free?

BLAM DSP 4 is free to download, with no in-app purchases.

### Is SurvStash free?

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

### Do BLAM DSP 4 or SurvStash have ads?

Neither BLAM DSP 4 nor SurvStash shows ads.

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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.*