Comparison

FotoChart vs kontekst lens

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

FotoChart

This app lets you document projects with photos, adding measurements, notes, and standardized icons directly onto images. Organize, export, and share your visual documentation for planning, renovations, or damage reports.

Highlights
  • Add measurements and notes to photos
  • Use standardized icon sets
  • Organize photos into folders
  • Export projects as files or images
  • Photo post-processing tools
  • Measure lengths and angles
Features
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FotoChart allows the addition of your photos with standardized iconsets of different DIN standards. For example, interiors to schedule renovations, take the necessary measurements and notes directly into the picture and organize or export the images directly on the phone or tablet. After successful documentation or planning, the project can be exchanged with the backoffice or the customer further workable. An order or quotation can be created directly from the documentation. With subsequent processing, it is also possible to further optimize the planning or to supplement the dimensions that have been forgotten later. This works when you have defined a reference track. Typical scenarios of FotoChart are: • Planning and documentation of electrical installations according to DIN EN 60617 • documentation of all types of damage (construction, car, equipment, etc.) • Construction documentation and construction plans in consultation with the customers • Preparation of approach sketches and descriptions • Creation of employment plans Target group: mobile service and installation teams such as craftsmen, installers, electricians, experts and emergency personnel function list • Take pictures or invite existing images or PDFs • Photo postprocessing in the preparation mode: pruning, perspective equalizing and turning • Organize the photos in clear folders • Manual dimension and text input • Set different line thicknesses and colors • Set standardized icons and shapes (frame, line, angle, circles, freehand and notes) • Basic layer mode with all icons and shapes used • Measurement of lengths and angles using a single reference line • Export as a project file for further processing or as image file • Exchange of the project files via e-mail or SaleSphere Backend Free basic version with optional extensibility via In-App Purchases: • Editing PDF documents • Invite additional iconsets for different industries (coming soon)

About

kontekst lens

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Spare Zeit und Nerven bei der Baustellendokumentation – mit der kontekst cloud. Die kontekst lens ist unsere Smartphone App und ist nahtlos in das kontekst Ökosystem integriert. Erfasse deine Baustelleninformationen mühelos und vollständig; egal ob du Bestandsaufnahmen machst oder den Baufortschritt dokumentierst. Teste jetzt die kontekst cloud und erlebe, wie einfach und effizient deine tägliche Baustellendokumentation sein kann! Wichtigste Funktionen: Fotografieren Mit der kontekst lens fotografierst du wie gewohnt mit deinem Smartphone, während Datum, Autor und weitere wichtige Daten automatisch hinzugefügt werden. Strukturieren Ordne deine Fotos ganz einfach den jeweiligen Projekten und Räumen zu und nutze Schlagworte, um sie übersichtlich zu strukturieren. Wiederfinden Spare wertvolle Zeit bei der Suche nach bestimmten Fotos in unserer Web-App. Filtere nach Ort, Datum, Schlagworten oder Inhalt und finde jedes Bild sofort. Teamarbeit Alle Aufnahmen und Informationen werden mit der kontekst cloud synchronisiert – jederzeit verfügbar für dich und dein Team. Nichts geht verloren, und jeder behält den Überblick über alle Details.

Screenshots

FotoChart4 screens
kontekst lens4 screens

Verdict

The call

The clearest difference is in-app purchases: kontekst lens at none against FotoChart's 1. kontekst lens also leads on update cadence (monthly vs every 3 months). FotoChart's advantage is iOS requirement (9.0 vs 15.5). On price, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. FotoChart sells 1 one-off in-app purchase. kontekst lens asks for nothing beyond the download.

UpkeepUpdate frequency

FotoChart ships an update every 3 months, kontekst lens monthly. The most recent releases landed on October 9, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 6 level
FotoChart versus kontekst lens: the parameters behind the verdict, then further details
ParameterFotoChartkontekst lens
PriceFreeFree
Rating1.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 3 monthsMonthly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better15.5
Further details — not scored
Size73 MB83 MB
Age rating4+4+
DevelopermVISE AGKontekst Software UG (haftungsbeschrankt)

In-app purchases

1 purchases

FotoChart

One-time1
  • PDF Import & Export$3.99
None

kontekst lens

No in-app purchases

Questions

Is FotoChart free?
FotoChart is free to download, with in-app purchases available.
Is kontekst lens free?
kontekst lens is free to download, with no in-app purchases.
Do FotoChart or kontekst lens have ads?
Neither FotoChart nor kontekst lens shows ads.
Which is updated more often, FotoChart or kontekst lens?
FotoChart ships an update every 3 months, and kontekst lens monthly. Most recently, FotoChart was updated on October 9, 2026 and kontekst lens on October 25, 2026.

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