Privacy Policy
In one line: Vuelto does not collect, store on its own servers or share any personal information about you. There are no accounts, no sign-up, no ads, no analytics and no tracking. The only things the app saves are your formulas, your favourites and your calculation history, and they live on your device (and, if you are signed in to iCloud, in your own private iCloud, which the developer cannot access).
Reference translation. This English text is provided for convenience only. The Spanish version is the only legally binding one. See Language and prevailing version.
1Who we are and how to reach us
Vuelto is an app for iPhone and iPad developed and published by Jorge Maldonado Borbón, trading under the brand IndieLob (the “developer”, “we”).
- Data controller: Jorge Maldonado Borbón (IndieLob)
- App: Vuelto, for iPhone and iPad
- Contact and privacy email: support@indielob.com
As explained below, the developer does not receive, host or have any way to look at the data your use of the app generates. Even so, you are welcome to write to us with any privacy question.
2Scope of this policy
This policy describes how data is handled in the Vuelto app for iOS and iPadOS (iOS 18 or later), across all of its features: the formula calculator, the formula library, the custom formula builder, voice mode, history, the bill and coin denominations used for change, and the optional Vuelto Pro purchase.
It does not cover third-party services you may use alongside the app — chiefly Apple (App Store, iCloud, the purchase system, speech recognition, Siri and Shortcuts) — which are governed by their own privacy policies.
3What Vuelto does not do
So that there is no ambiguity, here is the list of things the app does not do:
- It does not ask for or store your name, email address, phone number, postal address, date of birth or any other identity data.
- There are no user accounts, no registration, no sign-in and no passwords.
- It does not access your location, contacts, calendar, photos, camera, health data, files or browsing history.
- It contains no advertising of any kind, no advertising identifiers (IDFA) and no ad networks.
- It contains no analytics or telemetry: there is no Firebase, no Google Analytics, no third-party measurement SDK and no usage reports sent to the developer.
- It does no tracking across apps or websites, builds no profiles and makes no automated decisions about you.
- It has no servers of its own: the app’s code makes no network calls of its own to any server belonging to the developer or to a third party.
- It does not sell, rent or share information with anyone, quite simply because it does not hold any.
- It does not send marketing notifications or promotional messages.
4What the app saves and where
Vuelto saves only what it needs in order to work. Everything is kept in the private, isolated space iOS reserves for the app inside your device, which no other app and not the developer can reach.
| Data | What it contains exactly | Where it is kept | Does it leave the device? |
|---|---|---|---|
| Your own formulas | The name, description, category, mathematical expression, variables and creation and edit dates that you write. | The app’s private database, inside your device. | Only to your private iCloud |
| Favourites | Which formula you marked as a favourite, the date you did so and whether you pinned it to the top. | The same private app database. | Only to your private iCloud |
| Calculation history | The name of the formula used, the date, the values you entered and the results obtained. | A separate database, inside your device and only there. | Never. Your device only |
| Preferences | Your chosen language, the bill and coin denominations you configured, whether the spoken assistant is on, whether you completed the introduction, and the last result kept in memory (one figure and the formula name). | The app’s internal settings, inside your device. | No |
| Internal usage counters | The date of first launch, the number of calculations made and the number of distinct days of use. They serve only to decide when to show Apple’s rating prompt, once. | The app’s internal settings, inside your device. | No |
| Vuelto Pro status | A plain yes/no recording whether the purchase is active on this device, so that features are not locked while Apple confirms the purchase. | The app’s internal settings, inside your device. | No |
None of this data includes anything that identifies you. It is content you create (formulas, favourites, calculation figures) and app preferences. If you back up your iPhone or iPad to iCloud or to your computer, that data is included in the backup, which Apple manages and encrypts.
5iCloud: what syncs and what does not
So that your own formulas and favourites are available on all your devices, Vuelto relies on iCloud, Apple’s syncing service.
- Syncing uses your private iCloud space, tied to your Apple Account. It is personal to you: the developer cannot see, read, download or recover anything held there. There is no public or shared database either.
- Only two things sync: your own formulas and your favourites.
- Calculation history never syncs. It is kept separately, in a space deliberately configured without iCloud: the values you enter and the results never leave the device under any circumstances, not even with Vuelto Pro.
- Syncing works in the free version as well as in Vuelto Pro, and it is free of charge.
- If the device is not signed in to iCloud, the app works just the same and everything stays local.
- The app declares the background modes iOS requires so that iCloud can signal changes between devices. They are not used to send you notifications nor to collect anything.
Apple’s handling of data hosted in iCloud is governed by the Apple Privacy Policy and the iCloud terms.
6Microphone and speech recognition
Voice mode is optional. It works only if you open it and grant the permissions iOS asks you for: microphone and speech recognition. You can revoke them at any time in Settings › Vuelto; the rest of the app keeps working without them.
Exactly what happens when you dictate
- The microphone opens only while voice mode is listening and closes when it finishes.
- The app does not record audio files, does not save them and does not send them to any developer server. We never receive your voice.
- Transcription is performed by Apple’s speech recognition, built into the operating system itself. Depending on the device, the language and your iOS settings, that recognition may happen on the device or Apple may process the audio on its servers. That processing is carried out by Apple under its own privacy policy; we take no part in it and receive no copy.
- The only thing the app does with the recognised text is interpret it there and then, to pick a formula or capture a number. That text is not saved: it is discarded when the calculation ends. If you choose to save the result, the local history keeps only the figures and the formula name — never the audio nor the dictated phrase.
- The spoken assistant (which reads values and the result out loud) is off by default and uses the system’s own synthetic voices, with no connection to us.
7In-app purchases
Vuelto Pro is a one-time purchase handled entirely by Apple, through the App Store and your Apple Account.
- The developer never sees or receives your payment method, your card, your billing address or your Apple Account identifier.
- The app only asks Apple whether the purchase entitlement is active on this device, and saves that answer as a local yes/no.
- The “Restore purchase” option does nothing more than ask Apple to check the purchases on your Apple Account again.
- Apple makes aggregated, anonymous sales reports available to the developer; they do not identify any individual buyer.
8Other Apple features
- Rating prompt: after a minimum amount of use, the app may show Apple’s standard rating dialog once. The system shows and handles it; the developer does not know whether you rated the app or what score you gave, and the decision to show it is made with counters that never leave your device.
- Siri and Shortcuts: the app offers actions (for example, calculating a square root or opening a section). They run on the device using the app’s local calculation. Your use of Siri is governed by Apple’s privacy policy.
- Crash reports: if you have enabled sharing diagnostics with developers in iOS, Apple may provide us with technical crash reports, which are anonymous and contain no personal content. This is an operating-system feature you control in Settings › Privacy & Security › Analytics & Improvements.
9Children
Vuelto is a calculator and collects no personal data from anyone, at any age. It therefore does not and could not collect data from children under 13 (or the minimum age applicable in your country). There are no profiles, no messaging, no user-generated content from others and no targeted advertising.
10Your rights and your control
Regulations such as the European GDPR, the UK GDPR, California’s CCPA/CPRA or Mexico’s LFPDPPP grant you rights of access, rectification, erasure, objection and portability over the personal data a company holds about you.
With Vuelto, those rights are satisfied in the most direct way possible: we hold no data of yours to hand over, correct or delete. There is no user database and no copies on developer servers. All of your content is on your device and in your personal iCloud, under your exclusive control and reachable at any time from the app itself.
Even so, if you have any privacy-related question, write to us at support@indielob.com and we will reply within a reasonable time.
11How to delete your data
- A single calculation: swipe it in the History screen and delete it.
- One of your formulas or a favourite: delete it from My Formulas or from the Library.
- Everything local at once: uninstall the app. iOS deletes its databases and its settings along with it.
- The iCloud copy: manage or delete Vuelto’s data in Settings › [your name] › iCloud › Manage Account Storage. You can also sign out of iCloud: the app will keep working in local mode.
Bear in mind that uninstalling the app does not by itself erase what is already in your iCloud, just as deleting from iCloud does not remove your local history (which was never there).
12Data retention
Your formulas, favourites, history and preferences are kept for as long as you want: they do not expire and are not purged automatically. They are removed when you delete them inside the app, when you uninstall the app, or when you delete the data from iCloud. The developer keeps no copies, because it never receives any.
13Security
- Local data lives in the app’s isolated container and is protected by device encryption and by your passcode, Face ID or Touch ID.
- iCloud syncing travels encrypted and is stored in your private iCloud space, reachable only from your devices with your Apple Account.
- The app opens no network connections of its own, which reduces the exposed surface to Apple’s own system services.
- No system is 100% infallible, but since there are no developer servers and no central databases, there is no store of information that could be leaked.
14App Store privacy labels
Consistently with all of the above, Vuelto’s App Store listing is declared as “Data Not Collected”: the app collects no data that is sent to the developer or to third parties, and it performs no tracking in the sense of Apple’s App Tracking Transparency (which is why you will never see the tracking permission request).
15Changes to this policy
If a new feature ever changes how data is handled, we will update this policy and change the “In force since” date in the header. If the change is substantial, notice will be given inside the app or in the App Store release notes. We recommend checking this page from time to time.
16Language and prevailing version
The Spanish version of this Privacy Policy is the only official and legally binding version. The versions available in other languages — English, French, Italian, Brazilian Portuguese, European Portuguese, German, Turkish, Simplified Chinese and Dutch — are published for information and convenience only, to aid understanding, and have no legal force in themselves.
In the event of any discrepancy, contradiction, ambiguity, translation error or omission, or conflict of interpretation between the Spanish version and any of its translations, the Spanish version shall always prevail in full and shall govern for all legal purposes. You can read it here: Política de Privacidad (español).
17Contact
For any question, request or clarification regarding this Privacy Policy:
Jorge Maldonado Borbón — IndieLob
Email: support@indielob.com
App: Vuelto, for iPhone and iPad