App4SHM vs Summi
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
App4SHM
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App4SHM is a smartphone application for structural health monitoring (SHM) of bridges or other civil structures to assess their condition after a catastrophic event or when required by authorities and stakeholders. The application interrogates the phoneβs internal accelerometer to measure structural accelerations and applies artificial intelligence techniques to detect damage in almost real time. App4SHM resulted from academic research developed at LusΓ³fona University, in particular the Civil Research Group and the Department of Computer Engineering and Information Systems.
Summi
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Still waiting on your immigration case? Summi gives you accurate wait time predictions for your case. Key Features: - Accurate Predictions: Summi uses powerful machine learning models to provide you with an accurate estimate of your wait time. - Private by Design: All predictions are processed on-device to protect your privacy. Upgrade to Summi+ and unlock exclusive benefits: - Day-Accurate Predictions: Get wait time predictions accurate to the day. - Visa Bulletin Notifications: Receive a notification the moment a new visa bulletin is released. If you choose to purchase Summi+, payment will be charged to your Apple account, and your account will be charged for renewal within 24-hours prior to the end of the current period. Auto-renewal may be turned off at any time by going to your settings in the App Store after purchase. Privacy Policy: https://summi-5d48e.web.app/privacy-policy/ Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Summi is not affiliated with the U.S. government and does not provide legal advice.
Screenshots
Verdict
The clearest difference is in-app purchases: App4SHM at none against Summi's 1. App4SHM also leads on ads (none vs shown) and update cadence (every 4 months vs every 8 months). On price and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Summi sells 1 in-app purchase, starting at $0.99 per month. App4SHM asks for nothing beyond the download.
App4SHM ships an update every 4 months, Summi every 8 months. The most recent releases landed on September 10, 2026 and September 11, 2026 respectively.
| Parameter | App4SHM | Summi |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months β better | Every 8 months |
| Ads | No β better | Yes |
| In-app purchases | No β better | Yes |
| Devices | iPhone, iPod β better | iPhone |
| Requires iOS | 13.0 β better | 17.0 |
| Further details β not scored | ||
| Size | 27 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | COFAC - COOPERATIVA DE FORMACAO E ANIMACAO CULTURAL, C.R.L | ζ ε¨ |
In-app purchases
App4SHM
No in-app purchases
Summi
- Summi+$0.991 Month
Questions
Is App4SHM free?
Is Summi free?
Do App4SHM or Summi have ads?
Which is updated more often, App4SHM or Summi?
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