Education · head to head
Aeries Student Information System vs Sky Guide
Aeries Student Information System
Education
Student information system built around California state reporting for public school districts
- From
- On request
- Rated
- -
Sky Guide
Education
iOS astronomy app that moved from a one-time purchase to a free-to-download, subscription-tiered model
- From
- Free
- Rated
- -
The short version
- Only Sky Guide has a free tier, so it costs nothing to try first.
- Each has a real cost: Aeries Student Information System the core advantage is California specific. A district outside California pays for a system whose main differentiator does not apply to its state reporting obligations.; Sky Guide it is iOS-only, unlike SkySafari which also covers Android and desktop.
- They diverge on capability: Aeries Student Information System covers CALPADS reporting, Sky Guide covers Light pollution forecasting.
- Prices and features above were last checked on 1 September 2026.
Where they differ
Only the attributes on which Aeries Student Information System and Sky Guide actually diverge.
| Attribute | Aeries Student Information System | Sky Guide |
|---|---|---|
| Starting price | On request | Free |
| Pricing model | quote | Free download with Plus and Pro subscription upgrades |
| Free tier | No | Yes |
| Platforms | Web, iOS, Android, Windows | iOS |
Identical on both: user rating (Not yet rated), category (Education).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in Aeries Student Information System
- CALPADS reporting
- Attendance accounting
- Scheduling and gradebook
- Self-hosted or hosted
- Parent and pupil portals
- Query and report writer
Only in Sky Guide
- Light pollution forecasting
- Meteor shower prediction
- Camera and gyroscope sky view
- Deep-sky object catalogue
- Extreme zoom
- Satellite tracking
What people use each for
The jobs each tool is most often brought in to do.
Aeries Student Information System
- A Californian district that wants CALPADS submissions produced natively rather than by an external consultant each reporting windownot Sky Guide
- County offices of education that must support many small districts on one shared instancenot Sky Guide
- Districts with existing Microsoft SQL Server capability that prefer to keep the student record on their own infrastructurenot Sky Guide
- Replacing a legacy system where average daily attendance accuracy is directly tied to funding receivednot Sky Guide
Sky Guide
- An iOS stargazer who wants light pollution forecasting to plan a dark-sky observing tripnot Aeries Student Information System
- Someone tracking meteor showers and wanting a forecast of viewing conditionsnot Aeries Student Information System
- A user who wants extreme zoom into deep-sky objects without owning a telescopenot Aeries Student Information System
- A buyer comparing subscription astronomy apps on iOS specifically, rather than cross-platform toolsnot Aeries Student Information System
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Aeries Student Information System
- The core advantage is California specific. A district outside California pays for a system whose main differentiator does not apply to its state reporting obligations.
- The third party application ecosystem is smaller than that of the national vendors, so some education technology suppliers support it only through generic rostering rather than a native integration.
- The self-hosted option shifts patching, backup and database administration to district staff, and districts that choose it for cost reasons often lack the staffing to sustain it.
- The interface reflects a long product history and is dense, so training time for new registrars and office staff is longer than for more recently rewritten competitors.
- Reporting flexibility depends on staff who understand the underlying data model, and when that person leaves, the district loses a large amount of undocumented institutional capability.
Sky Guide
- It is iOS-only, unlike SkySafari which also covers Android and desktop.
- It has moved from one-time purchase to a subscription model, and long-time users who paid once for earlier versions have criticised the change publicly.
- Pro tier pricing is high relative to Star Walk 2 for broadly similar core stargazing functionality.
- It has no telescope control, unlike SkySafari Plus and Pro, which limits it to naked-eye and camera-based observing.
- Its relationship to other apps under the same distribution platform is not clearly documented, which makes long-term support commitments harder to assess.
Pricing, plan by plan
Aeries Student Information System
On request- Aeries Student Information System$undefined/year
- Quoted per pupil per year
- Hosted and self-hosted licensing differ
- Implementation and data conversion quoted separately
Sky Guide
Free- Sky GuideFree
- Base sky map and object labelling
- Sky Guide Plus$19.99/year
- Larger star and satellite catalogue
- Light pollution forecasting
- Meteor shower prediction
- Sky Guide Pro$39.99/year
- Very large deep-sky object catalogue
- Exoplanet data
- Extreme zoom
Which should you pick?
Choose Aeries Student Information System if
- You need calpads reporting.
- You work on Web, iOS, Android, Windows.
- You also want attendance accounting.
Choose Sky Guide if
- You need light pollution forecasting.
- You want to start without paying.
- You work on iOS.
- You also want meteor shower prediction.
Questions people ask
- Is Aeries Student Information System or Sky Guide better?
- Neither clearly leads. Aeries Student Information System starts at On request and Sky Guide at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Aeries Student Information System or Sky Guide?
- Sky Guide has a free tier; the other does not. Paid plans start at On request for Aeries Student Information System and Free for Sky Guide.
- Does Aeries Student Information System or Sky Guide run on more platforms?
- Aeries Student Information System runs on Web, iOS, Android, Windows. Sky Guide runs on iOS.
- Can I use Sky Guide for free?
- Yes. Sky Guide has a free tier, so you can try it without paying. Aeries Student Information System starts at On request.
- What is Aeries Student Information System best used for?
- Aeries Student Information System is most often used for a californian district that wants calpads submissions produced natively rather than by an external consultant each reporting window, county offices of education that must support many small districts on one shared instance, districts with existing microsoft sql server capability that prefer to keep the student record on their own infrastructure, replacing a legacy system where average daily attendance accuracy is directly tied to funding received. Of those, a californian district that wants calpads submissions produced natively rather than by an external consultant each reporting window and county offices of education that must support many small districts on one shared instance are not what Sky Guide is typically brought in for.
- What can Aeries Student Information System do that Sky Guide cannot?
- Aeries Student Information System covers CALPADS reporting, Attendance accounting, Scheduling and gradebook, Self-hosted or hosted. Sky Guide covers Light pollution forecasting, Meteor shower prediction, Camera and gyroscope sky view, Deep-sky object catalogue.
Answered from the vendors’ own pages
Aeries Student Information System: Is Aeries usable outside California?
Yes, and it is in use in several other states, but the state reporting depth that makes it compelling in California is not replicated everywhere, so it competes on general merit elsewhere.
Sky Guide: Is Sky Guide free?
The base app is free to download; Plus and Pro are subscription upgrades for a larger catalogue and forecasting features.
Aeries Student Information System: Can we host it ourselves?
Yes. Aeries still supports district hosted deployment on Microsoft SQL Server, which is uncommon among current student information systems and is a genuine reason some county offices stay.
Sky Guide: Did Sky Guide used to be a one-time purchase?
Yes, earlier versions were sold as a one-time purchase before it moved to the current free-plus-subscription model.
Aeries Student Information System: How does it handle FERPA?
The district remains the data owner and controller of the education record. Aeries acts under district direction, and access is controlled through district assigned roles and permissions.
Sky Guide: Does Sky Guide support telescope control?
No. For telescope control, SkySafari Plus or Pro is the better choice.
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